Z71 decals on a Chevy Silverado A few RPO codes have become notable enough that they have been used as model names. GM RPO Axle Code Notes. You have a truck with a Z71 suspension. 5TD / 4L80E 4" Diamond Eye w/ MBRP Straight-thru muffler 1984 GMC S-15 RCLB Isuzu C223, Borg Warner T-5 Silver, April '07, Sierra 2500 HD CC SB Z71 4x4 LBZ, Not broken in at 61k. · Options - Fully Loaded LT, Z71 4X4, Leather, Bose Premium, Satellite Radio, Tow Package Metallic Storm Gray, 3. Metra Electronics 70-2054 Manuals Tahoe Z71/Limited 2000 W/ Luxury System. It is necessary to determine what kind of transmission is in the truck. 00 (convertible) Units Produced: 2000 Corvette Spec List. RPO option codes should. 70-19467 - Corvette Sting Ray convertible 70-19437 - Corvette Sting Ray coupe The body number is the serial number of the body. Does anyone have the NBS RPO codes? I have probably 20 or more codes out of the 66 that aren't on the RPOCODES. Different RPO Codes work for different parts. codes for your vehicle. The RPO code list should be on the label located inside of the glove box. Anyone know the RPO code on a 1994 K1500 Locking Diff? Do all Z71's have rear locking diff? Thanks 05-01-2005, 09:37 PM. 0 The cost of diagnosing the P1133 CHEVROLET code is 1. Each RPO code is a combination of three alphanumeric characters (like Z71) that refers to a specific option or modification to the vehicle as built during production. Included in Z71 Off-Road Package. How do you determine the axle ratio installed (stock) on a 2003 Suburban 4x4 (1500)? I was looking at tow ratings and noticed there were two listings provided for my vehicle (3. Cheers Edit: I am guessing the GB0 is meant to be G80 (positraction lsd) as it is right under the GT4 of the 3. 43 Coupons. What Is the Difference Between a 4x4 and a Z71? "Z71" refers to a package of optional extras available for vehicles manufactured by General Motors, while "4x4" is used as a shorthand way to describe a four-wheeled vehicle in which all of the wheels are powered by the engine, rather than just the front or back wheels. The RPO codes identify the base model of the vehicle along with options such as paint color, engine, infotainment system, wheels, etc. No Customs, No Duties, No Hassles w/RPO Code Z71 (Off. thank you again. 4D7 Interior Trim - Jet Black, Dark Ash. C/K***43-53 models include rear door power windows and locks. Option Code Description ASF Air bags, head curtain side-impact, front and rear outboard seating positions SB7 LPO, Chrome decal, Z71 SB9 LPO, Chrome decal, 4x4 SC0 LPO, Tie-down hooks, bed-mounted SFW Back-up alarm calibration T96 Fog lamps, front. I noticed this on the GMC. rpo codes and descriptions code description abp window clear, all, w/s shaded abr window manual operated, frt dr abu restraint head, rr seat, cloth covered, closed section, up/ down adjustment abv window power operated, rr side access drs abv 2011 oem engine physical id abv & production number 12625207 abw window opaque, all except w/s and frt drs. 32 Coupons. The RPO vehicle option codes are printed on a sticker in the glove box of. com! 2004 Chevy Avalanche CODES P0740, P0753, P0758, P0785, P0761 Also including Oldsmobile, Geo, Hummer, and Saturn (North American brands). and METRIC stamped into the pan. Having written numerous books and countless magazine articles about various Chevrolet performance models, I've done a ton of research on Chevy's option codes over the last 25 years or so. Searching for the 2019 Chevrolet Silverado 2500 Rpo Codes post, you are visiting the right site. 2 Z71 Off-Road Package, includes (Z71) Off-Road suspension, (JHD) Hill Descent Control, (NZZ) skid plates and (K47) high-capacity air filter 1 - Requires Crew Cab or Double Cab 4WD model, (Z82) Trailering Package and AT or MT tires. Chevrolet Automatic Transmission Identification & Description. but some times i'd sware the blue and burgundy are reversed. What started as a behind the scenes product code, the Z71 package gained major popularity over the years for it's impressive all-terrain capabilities and is now a staple in the Silverado lineup. RPO codes have been around a ton of years, some one-off special codes have been replaced by the standard code formats. It is required to be on the window of every new car sold in the US and only the original buyer of the vehicle can remove the sticker. 3L RPO Code NP8 (2 Speed, Push Button Control Transfer Case), Fits NVG246 Transfer Case, With 4 Position Selector Switch. If it is it`ll be there. There are two compressors listed for the 2000. Research the 2008 Chevrolet Silverado 1500 at cars. "Z71" is a Regular Production Option, or RPO, code that U. There is a problem with the active fuel management systems on ALL 2007-2008 Sierras that have the 5. BuyAutoParts 54-20010AN SKU: 54-20010 AN I need a transfer case motor for a 2005 Chevy Tahoe Z71? 1 4WD and RPO code NP8. Buy a 2001 Chevrolet Suburban 1500 Alternator at discount prices. Paint Codes Locations For GMC. MSL Plant Code – Silao, Mexico MW7 Transmission – Automatic 6 Speed, Allison, LCT 1000, 3. Here is how to read the RPO vehicle option codes in a GMC or Chevrolet General Motors truck. Corvette began the new millennium with continued momentum at the racetrack. 2006 RPO- Chevrolet Silverado 1500 Monday, 20 June 2005 Option Code Description **2 Seat trim, leather **C Seat trim, cloth **D Seat trim, Custom Cloth **V Seat trim, vinyl 5B5 Power windows and mirrors (MSRP = $738. NP4 - 1-Speed Active Transfer Case (AWD) NP8 - 2-Speed Active Transfer Case, Electric Autotrac (4x4) NRE - Catalytic Converter. 00) 5G4 Provision for cab roof-mounted lamp (MSRP = $103. Nov 02 2011, 11:01pm. Your C codes are related to your ABS system. Please subscribe this site to get more info about gm rpo codes 2019 and other details. The badging includes dealer-installed front and rear black bowties, and a “hard” Z71 badge that is placed on the door just above the lower body side molding (the Silverado door badge and Z71 box decal is deleted). The word "Z71" may be the RPO code granted to some special off-road package offered by General Motors to buyers. Base Work Truck LT Z71 ZR2 2SA1 2WT2. "Z71" is a Regular Production Option, or RPO, code that U. 31 Coupons. a Z71 should have Z71 in the list. 49 Coupons. Many RPO codes have been reused over the years. DA: 66 PA: 79 MOZ Rank: 47. The RPO ZR2 was gradually phased out along with the entire S-Series when the inferior Chevrolet Colorado Z71 and GMC Canyon 4x4 were introduced in 2004. Maybe SAL was the guy that put the RPO tag on your Elky? :lol: SAL is the GM Mexico vehicle plant code. RPO Codes VD7 - 14B. 73 Rear Axle ('73 Olds). 2000 C5 Corvette 2000 Corvette Overview. Paint Codes Locations For GMC. RPO Code Description 56F- LPO, 20″ (50. Escalade (with RPO code Y91) 2002. rpo codes - 2007 chevy silverado 2500hd 4x4 ccsb rpo code name description k47 air cleaner high capacity k68 generator 105 amp kc4 cooling system eng oil knp cooling system trans, hd kup throttle control electronic lq4 engine gas, 8 cyl, 6. GM switched over to the 4L60E tranny in or around the 93-94 model yr. ** Depends on quality and SD card size. Z71 Z71 Off-Road Package, includes (Z71) Off-Road suspension, (JHD) Hill Descent Control, (NZZ) skid plates and (K47) high-capacity air filter 1 - Requires Crew Cab or Double Cab 4WD model, (Z82) Trailering Package and AT or MT tires. Select your Year, Make, Model and Engine to find those that fit your vehicle. Quite simply, it means that your truck is ready to take on Miami driving. It's also the name generally given to these vehicles by their owners. Note that the exact features vary for each production year, so refer to the RPO code listing in the truck or speak with your local Chevy dealer for specific package information. If you’ve already got a specific LS engine in mind, use our LS Engine Spotter’s Guide, Part 2: Matching the Engine to the Vehicle post to find the vehicles it came in. Each RPO code is a combination of three alphanumeric characters (like Z71) that refers to a specific option or modification to the vehicle as built during production. Four common suspension-related RPO codes associated with these vehicles are: • Z55: Autoride automatic load-leveling suspension system, using computer-controlled shocks and struts that adjust to road conditions • Z71: Conventional monotube shocks that can be replaced with aftermarket monotube units. Save up to 40% on 2002 GMC Sierra 1500 Suspension Control Arm Bumpers. G80 Differential. AutohausAZ offers a large selection of Dorman parts online. WB $22,645. It was also the last year for performance options RPO LT1 and RPO ZR1. G80 RPO code. Get Free Rpo Code Lookup By Vin now and use Rpo Code Lookup By Vin immediately to get % off or $ off or free shipping. 56 g31 : special rear spring g32 : rear springs g33 : rear spring, left side g34 : rear spring, right side g44 : axle rear 3. The package also includes Rear Park Assist (RPO: UD7) and Spray-on Bedliner (RPO: CGN). Its in alphabetical order, just follow thru to Z71. Video recorded to Class 4 SD card *. and Crew Cab Free Flow RPO Code Ref. It's also the name generally given to these vehicles by their owners. An example is G93. What started as a behind the scenes product code, the Z71 package gained major popularity over the years for it's impressive all-terrain capabilities and is now a staple in the Silverado lineup. Chevy Tahoe with RPO Code NP2 (Manual Shift, 2 Speed Transfer Case) with RPO Code NP8 (Push Button, 2 Speed Transfer Case) (without Z71 Package) Rear Transfer Case Housing Repair Kit: 2001-2007: Chevy: Tahoe. they are the RPO codes (retail production option. Joined re rpo thnx thank you for helping with the codes. I have a 2000 Silverado LS Z71, 5. We update daily so that you get 2018 chevrolet colorado rpo codes information right away. In some cases (such as this), the RPO specifies a package with similar function (in this case performance) to previous uses of the code. You cannot get z71 without a suspension package, but you can get a suspenion code without z71) THe z82 is just trailering set up. Buy a 2001 Chevrolet Suburban 1500 Alternator at discount prices. Each RPO code is a combination of three alphanumeric characters (like Z71) that refers to a specific option or modification to the vehicle as built during production. The RPO codes identify the base model of the vehicle along with options such as paint color, engine, infotainment system, wheels, etc. Run up to a 285/75 R16 tire with this 1. Runs great. Joined Jan 28, 2005 · 655 Posts. You cannot find autoride (Z55) or Magneride (Z95) anywhere but the dealer. GM 1998-2007 Amplifier Bypass Harness. Z71 Plinth Bedside Graphic Tailgate Lettering Decal Fender Hash Decal Brake Upgrade Package Lift Kit RPO SIO RIK RIN SF8 Sag 5JL SG3 Notes Improved New New New New New Four-Comer Description Bed Rails Black. Also look for G80, which is a Automatic Rear Locking Differential. Compare what you have there with the code list here: RPO Codes. It throws in the Trailering Package, 20-inch aluminum wheels on 275/60 all-terrain tires, and all-weather floor liners. RPO stands for Regular Production Option and is General Motors’ standard coding for vehicle configuration options. The 1972 Chevrolet Corvette was changed very little from the previous years, mostly this was the last year for some major things. 0 The cost of diagnosing the P1133 CHEVROLET code is 1. Select your Year, Make, Model and Engine to find those that fit your vehicle. The major feature of the Z71 package is its enhancements for a vehicle's off-road capabilities, including bigger wheels. In 1973, a new design was introduced. 62U & 629 is your paint code. When you custom order a car, you have options. code or package for a particular truck. For this reason we have been seeking hard to find information about 2019 Silverado Rpo Codes anywhere we are able to. AN1 - Folding Seat Back. NJSP Firearms Investigation Unit. The details of the 2015 Z71 trim for the Tahoe and Suburban are set to be announced when the vehicles debut in fall of 2014. 1M4 : MARKING, REFLECTIVE BLACK, U S. 07 ratio g50 : spring rear, heavy duty, var 1 g51 : spring rear, heavy duty, var 2 g52 : spring, rr, 15000 lbs g5o : spring rear, heavy duty, var 1. That's a small example of what I'm missing. The RPO code list should be on the label located inside of the glove box. com and find specs, pricing, MPG, safety data, photos, videos, reviews and local inventory. To insure a proper match, you'll need to know your vehicle's color code so you can find it on the chart below. VERY DK SAPPHIRE (D) (91) 6A3 : COVERING, FLOOR MATS FRT & RR H. Re: Rpo code z82 ? the hitch itself should say what its load capacities are. 2019 Silverado Rpo Codes Information. com gm rpo codes: g11 : ratio, transaxle final drive 2. 2010 Chevy Malibu engine code B, 2. Get Free Rpo Codes Tahoe now and use Rpo Codes Tahoe immediately to get % off or $ off or free shipping. 3 auto https:. 3L RPO Code NP8 (2 Speed, Push Button Control Transfer Case), Fits NVG246 Transfer Case, With 4 Position Selector Switch. 6XX & 7XX are your left and right "computer selected suspension" codes. What made you get the codes read? Is your truck acting up? Your title says RPO code. 2L v8, android auto & apple carplay, G80 differential, towing package, remote start. INST702054 2 CADILLAC - Seville 1998-04 w/ RPO code UX9 - XLR 2004 w/ Bose System NOTE These wire colors do not follow the EIA/Metra color code A1 Not Used A2 White/Red Left Rear Speaker (+) A3 White/Blue Left Rear Speaker (-) A4 Red Left Dash Speaker (+) A5 Orange Left Dash Speaker (-) A6 Gray Center Speaker (-) A7 Dark Blue/White Center Speaker (+) A8 Dark Blue Right Dash Speaker (-). The major feature of the Z71 package is its enhancements for a vehicle's off-road capabilities, including bigger wheels. 3L 4 Wheel Drive with RPO Code Z71 (Off Road Package) without Electronic Suspension without Heavy Duty Suspension without RPO Code ZW7 (Premium Smooth Ride Suspension) Rear Shock Absorber: 2001-2006:. 42 2015 Ford F150 XLT Supercrew, 2. GM RPO Axle Code Notes. 5-05 LLY 310hp autos only, 300 hp manual trans and 4500/5500 8th Vin #3-06 LLY ratings are the same as vin 2 8th vin #D-LBZ 360 hp auto only, not an option in manual trans or 4500/5500 trucks> 8th Vin #6-LMM 365 hp. The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there? We have a large number of resources to help you repair the problem. We have a 2009 Suburban (1500) we upgraded to this tow vehicle last year (from a '99 Yukon) to pull our Rockwood Roo 23SS. This method was adopted the very first time about the GMT400 trucks that were manufactured between 1987 and 1998. This is the term GM uses to describe what option codes a particular vehicle is equipped with. What started as a behind the scenes product code, the Z71 package gained major popularity over the years for it's impressive all-terrain capabilities and is now a staple in the Silverado lineup. To find out what Amp Alt your 97" has, inside your glove box is a White Sticker, which is called a Service Parts I. Chevy Tahoe V8 5. Last updated:. In one year or make and model, a code might mean ione thing, then in another year or for a different make and model it will mean something else. 73 Ratio (DUP With 5 x 1) I understand its got 3. 31 Coupons. GMT900 Silverado Some generic information and how-tos on 2007, 2008, 2009, and 2010 Silverado Pickups. INST702054 2 CADILLAC - Seville 1998-04 w/ RPO code UX9 - XLR 2004 w/ Bose System NOTE These wire colors do not follow the EIA/Metra color code A1 Not Used A2 White/Red Left Rear Speaker (+). This particular option is most famously associated with vehicles out of GM's Chevrolet division. vehicle description. Consult the tables below to identify your engine. The Novak Guide to the GM 4L80E Automatic Transmission Introduction. 3-liter V8, 6. 73 ratio (dup with 5x1) on the rpo code sticker and some of the "8's" look like "B's" and if 3BU is actually 38U it comes up as Champagne Metallic exterior, even. If it is it`ll be there. SRX (with RPO code U57) 2004-2006. 3L 4WD, With 4. A80 - Pick Up Box Bed Rails. Only RPO Code are for internal use only and should not be ordered. KD9 is 145 amp Post 'your' number for more info. B3J -Diesel Equipment. Before Chevrolet VINs were standardized, there were several numbers that could be used to identify these vehicles, including engine codes, cowl tags, RPO codes, and paint codes. You are not allowed to view links. Jump to Latest Follow 1 - 6 of 6 Posts. VERY DK SAPPHIRE (D) (91) 6A3 : COVERING, FLOOR MATS FRT & RR H. For example, the ZR1 performance option was available for the Corvette for the 1970, 1990 through 1995, 2009, and 2019 model. Chevrolet records also indicate the following sales; RPO-A02 Tinted Windshield (2,536 sold. Models include: Pontiac Firebird: Base, Formula, Trans Am, Ram Air & WS6. RPO codes are for all pontiac firebird and chevrolet camaro models. Z71 decals on a Chevy Silverado A few RPO codes have become notable enough that they have been used as model names. Additionally, the last six digits of the ZR-1 VIN begin at 800001 and run thru 800448, accounting for each of the 448 ZR-1 Corvette Coupes built in 1995. 2000 Silverado rpo codes - Answered by a verified Chevy Mechanic. In one year or make and model, a code might mean ione thing, then in another year or for a different make and model it will mean something else. I have a 2013 Chevrolet K1500 with the Z71 option code. G80 Differential. 2010 Chevy Malibu engine code B, 2. GMT900 Silverado Some generic information and how-tos on 2007, 2008, 2009, and 2010 Silverado Pickups. That's a small example of what I'm missing. Searching for the 2019 Chevrolet Silverado 2500 Rpo Codes post, you are visiting the right site. 3 Liter V8 GM factory rated at 310 hp/335 ft·lbf of torque the crank. Select the year of your Silverado 1500 to narrow down the results. Chevy/GMC Trim Code Identification. Depending on the vehicle you have selected, your system configuration, or your region, some features may not be available. Welcome to the Chevy Check Engine Light codes page. But Chevrolet makes do with the milder Z71. Anyhoo I am either missing something on the glovebox sticker or am losing it. 040/NV3500 '00 Explorer XLT 4. 2015 Colorado / Canyon RPO Codes. Engine Type/Size. while working down thru the several re-painting jobs , it usualy looks like the car was blue then burgundy then white. The THM200 and the THM250 have pans shaped like a THM350, HOWEVER, the THM200 will have the words HYDRAMATIC DIV. Even Z71 was just an option code for off-road suspension, but it earned enough street cred (trail cred?) to become badging on the Silverado's rear fenders. they are the RPO codes (retail production option. a Z71 should have Z71 in the list. 32 Coupons. KD9 is 145 amp Post 'your' number for more info. Can anyone tell me were these are located on a 2005 5 cyl colorado. Colorado RPO Codes(full list) 2010 GMC Canyon Crew Cab 5. RPO Code: DESCRIPTION. RPO Codes 543- 999. Chevrolet Customer Service: 800-222-1020 M-F 8:00am-9:00pm EST. Can anyone tell me were these are located on a 2005 5 cyl colorado. Find Dorman Impact Sensor; Impact Sensors- Front Bumper 590-200 at discount prices in our extensive Cadillac, Chevrolet, GMC auto parts catalog. The relatively low production in 1970 was caused by a labor dispute that started in May of 1969. I have a 2005 Z71, here's some info from the brochure. XLR (with Bose system) 2004-2009. 2L v8, android auto & apple carplay, G80 differential, towing package, remote start. Go to your glove box or center console, there is a SPID label, indicating all the R. News & World Report. 00 (convertible) Units Produced: 2000 Corvette Spec List. CTS (with RPO code U57) 2003-2007. how to determine axle ratio? 9 Answers. while working down thru the several re-painting jobs , it usualy looks like the car was blue then burgundy then white. 00l secondary color, exterior, prime 00u primary color, exterior, prime 01l secondary color, exterior, special 91 01u primary color, exterior, special, 91 02a stripe color, accent, two tone, beige/garnet 93 02l secondary color, exterior, special, chart not 02u primary. automaker General Motors uses for its off-road suspension package. SRX (with RPO code U57) 2004-2006. 31 Coupons. 73 Rear Axle ('73 Olds). Use this video as a way to retrieve those codes! Compliments of Infotainment. The paint code for all GMC trucks and SUV's are located on the service parts identification sticker. 42 rear axle ratio, (NQH) Autotrac active 2-speed. 2016 Chevrolet Silverado 1500 Custom 8 Cyl 5. What made you get the codes read? Is your truck acting up? Your title says RPO code. I am in Texas, so only occaisional use for 4 wheel drive, but the z85 w/ z71 package drove the smoothest out of everything I test drove. Thanks to 05_LLY 8th Vin #1-LB7 300 hp 8th Vin #2-04. Metra Electronics 70-2054 Manuals Tahoe Z71/Limited 2000 W/ Luxury System. 2,615 Views Passenger Frontal Deployment Loop Stage 1. the codes are:GMT, 6HB, 7HB, 8TF, and 9TF. We update daily so that you get 2018 chevrolet colorado rpo codes information right away. rpo description; gt4: plant code silao, mexico, gm de mexico vin g-mexico plant code(msl) m30: transmission,automatic 4 speed,4l60e,electronic 4-spd a/trans(m30) nc7:. The RPO codes identify the base model of the vehicle along with options such as paint color, engine, infotainment system, wheels, etc. Most of these option specifications go unnoticed and have no special significance to anybo. Jump to Latest Follow 1 - 6 of 6 Posts. RPO Code: DESCRIPTION. If you shop at Amazon. These RPO codes are used to idicate a specific type of differential and/or ring gear size. In going thru the options with the salesman, I found that one option I wanted (Item P46, 5-spoke aluminum wheels, in place of the stock chromed steel) required the Z71 Off-Road Suspension package instead of the Z85 Heavy-Duty Trailer Handling Suspension package that I wanted. Engine Type/Size. Retired Police Officer - RPO P. rpo codes and descriptions code description abp window clear, all, w/s shaded abr window manual operated, frt dr abu restraint head, rr seat, cloth covered, closed section, up/ down adjustment abv window power operated, rr side access drs abv 2011 oem engine physical id abv & production number 12625207 abw window opaque, all except w/s and frt drs. The RPO codes identify the base model of the vehicle along with options such as paint color, engine, infotainment system, wheels, etc. FE2 comes paired with 18" all season tires, and FE3 is paired with 18" summer tires. This particular option is most famously associated with vehicles out of GM's Chevrolet division. 73's but im not sure what "(DUP With 5 x 1) means? i found it at this website:. Here is what I got for my 2008. What made you get the codes read? Is your truck acting up? Your title says RPO code. Engine codes for passenger cars. The radio must be in LOC mode NOT in INOP mode. Base Work Truck LT Z71 ZR2 2SA1 2WT2. When you custom order a car, you have options. Heck does GM even call them RPO (Regular Production Order) Codes anymore I got a bunch of 3 digit codes on the sticker inside the glovebox door of my 1994 GMC Z71. Choose top quality brands A1 Cardone, DIY Solutions, Dorman, Replacement, SKP. 5 star (0%) 0%. To insure a proper match, you'll need to know your vehicle's color code so you can find it on the chart below. Metra Electronics 70-2054 Manuals Tahoe Z71/Limited 2000 W/ Luxury System. Basically, they are using the larger ball joint from the aluminum arm and putting it in a stamped arm and mating it to a smaller steel knuckle. 3-liter V8, 6. 2L v8, android auto & apple carplay, G80 differential, towing package, remote start. 2020 Chevrolet Suburban Trims & Specs Z71® Off-Road Package Z71 suspension Z71-specific skid plates Z71-specific 18" wheels All-terrain tires Z71-specific grille design Black tubular assist. Your C codes are related to your ABS system. A few days ago someone posted about if Z71 was/is a RPO code. 1,262 Views Driver Seat Belt Anchor Pretensioner Deployment. 98 Z71 Yo MSF!! in the glovebox there is a big list of codes. Identify your GMC or Chevrolet rear end gear ratio by the RPO Codes, usually located on the placard labeled "Service Parts Identification" inside the drivers door panel or glove box. 00) 5G4 Provision for cab roof-mounted lamp (MSRP = $103. This particular option is most famously associated with vehicles out of GM's Chevrolet division. Having written numerous books and countless magazine articles about various Chevrolet performance models, I've done a ton of research on Chevy's option codes over the last 25 years or so. 00l secondary color, exterior, prime 00u primary color, exterior, prime 01l secondary color, exterior, special 91 01u primary color, exterior, special, 91 02a stripe color, accent, two tone, beige/garnet 93 02l secondary color, exterior, special, chart not 02u primary. I have a 2000 Silverado LS Z71, 5. All that VIN code/engine info and RPO code info listed above is to help you at the junkyard (or www. 67-72 RPO Codes (Regular production options) This list is exclusive to 67-72 chevy and GMC trucks but if you find that an option is missing drop me a line and I will get it added. The Novak Guide to the GM 4L80E Automatic Transmission Introduction. Bilstein 24-186643 Front Bilstein 5100 - 0-2 inch for Leveling, Torsion Keys and Stock Height Chevrolet, GMC, Hummer. RPO Code Help July 25th, 2009, 08:23 AM. 49 Coupons. Identify your GMC or Chevrolet rear end gear ratio by the RPO Codes, usually located on the placard labeled “Service Parts Identification” inside the drivers door panel or glove box. Some older GM models wore an "FE3" suspension badge which was nothing more than the RPO code for a stiffer suspension package. payload - what is the payload for a 1992 c/k1500 2 wheel drive 5. Retired Police Officer - RPO P. I might have been misinformed if yours is a true Z71 and has the ten bolt (unless somebody swapped rear ends before). CADILLAC - Escalade 2002 w/ RPO code Y91 - Escalade EXT 2002 w/ RPO code Y91 CHEVROLET - Avalanche 2002 w/ RPO code Y91 - Suburban 2001-02 w/ RPO code Y91 - Tahoe 2001-02 w/ RPO code Y91 - Yukon/XL/Denali 2001-02 w/ RPO code Y91 NOTE These wire colors do not follow the EIA/Metra color code A1-A4. Joined re rpo thnx thank you for helping with the codes. 2020 Chevrolet Suburban Trims & Specs Z71® Off-Road Package Z71 suspension Z71-specific skid plates Z71-specific 18" wheels All-terrain tires Z71-specific grille design Black tubular assist. I have owned for the last 23 years. sledman · Registered. No Customs, No Duties, No Hassles w/RPO Code Z71 (Off Road. RPO Code Description 56F- LPO, 20″ (50. These suspension codes are interchangeable and standard aftermarket shocks will fit any type of conventional suspension. 6B4 : TIRE SPARE RELOCATION LH LUG COMPT FL. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. These are all of the RPO codes for the Colorado/Canyon. If you shop at Amazon. Anyhoo I am either missing something on the glovebox sticker or am losing it. 1 (PDT) High Country Premium Package or (Z71) Z71 Off-Road Package. C/K***43-53 models include rear door power windows and locks. If you are having trouble identifying your trim code and leather color. CTS (with RPO code U57) 2003-2007. 3 cm) chrome-clad aluminum wheels, (QXN) P265/65R18 on-/off-road blackwall tires, (DL3) outside heated power-adjustable, power-folding body-colored mirrors, (Z82. The load on each axle must not exceed its GAWR. 73 Rear Axle ('73 Olds). Metra Electronics 70-2054 Manuals Tahoe Z71/Limited 2000 W/ Luxury System. while working down thru the several re-painting jobs , it usualy looks like the car was blue then burgundy then white. rpo description; gt4: plant code silao, mexico, gm de mexico vin g-mexico plant code(msl) m30: transmission,automatic 4 speed,4l60e,electronic 4-spd a/trans(m30) nc7:. This is less interesting with RPO codes like AK5 (driver's side airbag), but more interesting with 1LE (massive brakes) on a ZL1 (performance package). An example is G93. This suspension uses the most basic components: a coil spring or torsion bar spring with a. How to tell if a Silverado has the Z71 package? Jump to Latest Follow Off-Road Suspension and Appearance Packageand that is the RPO Code to Look ForZ71 In-Side your Glove Box, is a White Sticker "Tag" that is the Service Parts I. Is Z85 an RPO Code? Can anybody explain this? Re: RPO Codes. 3 Auto - SOLD. If I am not mistaken, P0125 is related to coolant temperature P0155, P0174, P0300, P0404, P0405 & P0420 are related to fuel and exhaust. Runs great. However, I really like dark blue which is not available on Z71 models. Joined Jan 28, 2005 · 655 Posts. The tire size for your Chevy Silverado 1500 depends upon the year of manufacturer. Summit White - color code: null, Black - color code: null, Graphite Metallic - color code: null are just some of the paint color codes that we offer in jars, pens, spray cans and more. Consult the tables below to identify your engine. Where is the RPO label located so I can see what options are on my 2009 SLT Crew cab 4X4I looked in both glove compartments and the center concole compartment also under the hood? I'm at a lossGM usually puts them on the glove box door. What started as a behind the scenes product code, the Z71 package gained major popularity over the years for it's impressive all-terrain capabilities and is now a staple in the Silverado lineup. Save $20 off $599, $30 off $799, $100 off $1500 Orders. Most auto repairs shops charge between $75 and $150 per hour. Transfer Case 4x4 Actuator- Replaces 12474401, 600-901, 711012, 600901 - Fits 99 Chevy Blazer, Silverado. Each RPO code is a combination of three alphanumeric characters (like Z71) that refers to a specific option or modification to the vehicle as built during production. 98 Z71 Yo MSF!! in the glovebox there is a big list of codes. Published on Jan 26, 2019. These suspension codes are interchangeable and standard aftermarket shocks will fit any type of conventional suspension. 00) 5G4 Provision for cab roof-mounted lamp (MSRP = $103. RPO Z06 is the European Commemorative Edition Performance Package for the Z16. Conventional: there are numerous RPO codes for different types of conventional suspensions, the most well-known being Z71 and Z66. I have attached my RPO label from my truck and no where on there is the RPO Code Z85. IIRC there should be an RPO code sticker in the glovebox that tell you what options your vehicle was built with. Read reviews. RPO Codes are the assembly codes for different parts on the vehicle i. 57: Alternate. Very important to have traction at both rear wheels. 28 Coupons. How do you determine the axle ratio installed (stock) on a 2003 Suburban 4x4 (1500)? I was looking at tow ratings and noticed there were two listings provided for my vehicle (3. " Navigate to the "Camaro Source" RPO code look-up Web page (see Resources for link) and scroll down to the middle of the page, to the option labeled "Full GM Vehicle RPO Decoder. 73 Ratio (DUP With 5 x 1) I understand its got 3. RPO: Description: Quantity. I have a 2011 Silverado with Z85 package. '72 was the last year for chrome front bumpers, side bright "egg crate" grills, and the removable rear window. 2016 Chevrolet Silverado 1500 Custom 8 Cyl 5. RPO codes are for all pontiac firebird and chevrolet camaro models. 5' Fleetside 17 mpg city / 23 mpg hwy. The THM200 and the THM250 have pans shaped like a THM350, HOWEVER, the THM200 will have the words HYDRAMATIC DIV. just in case you was wondering Gu2 - 2. Find Dorman Impact Sensor; Impact Sensors- Front Bumper 590-200 at discount prices in our extensive Cadillac, Chevrolet, GMC auto parts catalog. If I am not mistaken, P0125 is related to coolant temperature P0155, P0174, P0300, P0404, P0405 & P0420 are related to fuel and exhaust. 50 Coupons. 6 Lug Wheels ; 2WD. · Engine – We began with The Stock Aluminum Blocked RPO Code - "L33" 5. 32 Coupons. 8-liter V8, 5. Most paint codes in our database start out with a "WA", most cars and. 5 star (0%) 0%. For example, the ZR1 performance option was available for the Corvette for the 1970, 1990 through 1995, 2009, and 2019 model. For reference, a car-part search today 12/3/15 showed only 5 8. To ensure the correct part is selected, please confirm your RPO Code matches the part you are purchasing. 1,411 Views Passenger Frontal Deployment Loop Voltage Out of Range. Length, With Steel Arm, Except RPO Code AVV (2016 1/2 Year Model. With evaporative emissions (RPO Code EVA). 0" Wheelbase; 2016. i went through my rpo codes last night, and have a few questions. GM RPO Codes, or General Motors "Regular Production Option" codes contain lots of valuable information about your GM vehicle. Take a look at the new vehicle at Imperial Chevrolet and rediscover the thrill of driving. This one has the Deluxe Two-Tone Paint option (RPO Code: ZY4), this color combination appears to be Black Onyx with Light Autumnwood Metallic stripe down the center. Runs great. Included in Z71 Off-Road Package. 00 (coupe), $38,900. 120-degree 720p forward view. Jump to Latest Follow 1 - 8 of 8 Posts. This paint code is U401E or WA401E. No rips, stains, tears or wear marks. If you find the RPO code & it does not match one listed above for. Its in alphabetical order, just follow thru to Z71. The RPO codes identify the base model of the vehicle along with options such as paint color, engine, infotainment system, wheels, etc. The badging includes dealer-installed front and rear black bowties, and a “hard” Z71 badge that is placed on the door just above the lower body side molding (the Silverado door badge and Z71 box decal is deleted). A few days ago someone posted about if Z71 was/is a RPO code. Published on Jan 26, 2019. The 1500, 2500 and 3500 GMT 800 Trucks utilize SAE 75W-90 Synthetic Axle Lubricant. While the sticker is moved around from year to year, it still looks like the ones below. Get detailed information on the 2018 Chevrolet Silverado 1500 including features, fuel economy, pricing, engine, transmission, and more. just in case you was wondering Gu2 - 2. For example, the ZR1 performance option was available for the Corvette for the 1970, 1990 through 1995, 2009, and 2019 model years. These codes are a combination of 3 alphanumeric characters and refer. Greg '95 K1500 Z71 EC Short Step 5. I can tell you the overall length of the bulb is 1. Z71 Z71 Off-Road Package, includes (Z71) Off-Road suspension, (JHD) Hill Descent Control, (NZZ) skid plates and (K47) high-capacity air filter 1 - Requires Crew Cab or Double Cab 4WD model, (Z82) Trailering Package and AT or MT tires. AutoZone carries hundreds of thousands of parts and accessories. GM RPO Codes, or General Motors "Regular Production Option" codes contain lots of valuable information about your GM vehicle. 3-liter V-8 producing 355 hp and 383 lb-ft of torque. The list of RPO codes are located in the clovebox. This particular option is most famously associated with vehicles out of GM's Chevrolet division. Most auto repairs shops charge between $75 and $150 per hour. How to Unearth Invaluable Information in a free Chevrolet VIN Decoder? Decoding Chevrolet VINs throughout History. The interior of the Z71 trim package is a little different from other Chevy trim packages, such as the LT and LTZ. Z-06 included the heavy duty drum brake package, HD suspension, knock-off wheels (which were never delivered in '63),. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. Customer Questions & Answers See questions and answers. What do RPO Codes Designate? Each RPO code is a combination of three alphanumeric characters (like Z71) that refers to a specific option or modification to the vehicle as built during production. Get Yours Today! We have the best products at the right price. Z71 is a type of R. engine, transmission, color, rear end For example: LLY - DMax engine, G80 - axle posi rear end, 17L - secondary color exterior LT slate, GT4 - axle rear 3. Find the engine specs, MPG, transmission, wheels, weight, performance and more for the 2004 Chevrolet Tahoe Utility 4D Z71 4WD. Not all were available on a Camaro. This suspension uses the most basic components: a coil spring or torsion bar spring with a. just in case you was wondering Gu2 - 2. Length, With Steel Arm, Except RPO Code AVV (2016 1/2 Year Model. 2004 GMC Canyon RWD Front Right w/RPO Code Z71 (Off Road Chassis Package) Please be aware that the vehicle compatible chart on eBay is not 100% accurate, but the OE# provided in our listing is correct, If you already have OE number of the parts you are looking for, then you can just searching by OE #. Records up to 24 hours of video ** * Class 4 SD card sold separately. I checked every 3 digit code and none came up with an exterior color. The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there? We have a large number of resources to help you repair the problem. code or package for a particular truck. Go to your glove box or center console, there is a SPID label, indicating all the R. 0 hour of labor. These are all of the RPO codes for the Colorado/Canyon. You are looking for a 3 digit code where the below sticker is circled. While the C5-R had established itself as a contender at the racetrack during the. RPO Codes 14C - 542. 6XX & 7XX are your left and right "computer selected suspension" codes. To find out what Amp Alt your 97" has, inside your glove box is a White Sticker, which is called a Service Parts I. Basically, the 4L60E is actually a 700r4 w/ the electronics added. 6B4 : TIRE SPARE RELOCATION LH LUG COMPT FL. I have a 2011 Silverado with Z85 package. Compare Search ( Please select at least 2 keywords ) Each RPO code is a combination of three alphanumeric characters (like Z71) that. box 119 in. Different RPO Codes work for different parts. 3-liter V6, 4. AutoZone carries hundreds of thousands of parts and accessories. Chevrolet Automatic Transmission Identification & Description. However, I really like dark blue which is not available on Z71 models. It's also the name generally given to these vehicles by their owners. "Z71" is a Regular Production Option, or RPO, code that U. 2-liter engine and a hybrid model. Note: The RPO (Regular Production Option) code information can be found on a sticker located inside. Option Code Description SB7 LPO, Chrome decal, Z71 SB9 LPO, Chrome decal, 4x4 SC0 LPO, Tie-down. This suspension uses the most basic components: a coil spring or torsion bar spring with a. (RVA) 22" polished aluminum wheels may be upgraded to (SEV) 22” 6. Here's the deal…The 922/92I trim code for the 2000, 2001, and 2002 Chevy Tahoe, Suburban, Yukon, and Yukon XL can be a little tricky to interpret. We have a 2009 Suburban (1500) we upgraded to this tow vehicle last year (from a '99 Yukon) to pull our Rockwood Roo 23SS. STA Option Codes *IVH is not the definitive source of GM Vehicle RPO information and is intended for. 2L v8, android auto & apple carplay, G80 differential, towing package, remote start. automaker General Motors uses for its off-road suspension package. AutomotiveTouchup paint products are custom mixed to perfectly match the color of your 2007 Chevrolet Tahoe using a basecoat/clearcoat system just like factory specs. The CompNine Total VIN Decoder includes Buick, Cadillac, Chevrolet, Geo, GMC, Hummer, Isuzu, Suzuki, Saab, Saturn, Pontiac, Oldsmobile, Chrysler, Dodge, Eagle, Jeep. gm rpo codes below is a complete listing of the general motors regular production option rpo codes for your viewing pleasure. "Chrome Ball Mount Tow Ball Locking Pin Wheel Flares Camper Mirrors Rock Guard Door Handles — Black Camo Emblem RPO RW2/ RW3 Notes. If you purchased the truck used or can't find the code, proceed to Step 2 for another form of testing. 27:1 as well as reportedly a 2. However, I really like dark blue which is not available on Z71 models. and Crew Cab Reg. The major feature of the Z71 package is its enhancements for a vehicle's off-road capabilities, including bigger wheels. Work Truck 4x2 Extended Cab 6. my 49 GMC s10 swap 4. The RPO codes identify the base model of the vehicle along with options such as paint color, engine, infotainment system, wheels, etc. Identify your GMC or Chevrolet rear end gear ratio by the RPO Codes, usually located on the placard labeled “Service Parts Identification” inside the drivers door panel or glove box. This rig is loaded (see photo of RPO list). 1994 1500 RPO Code. RPO Z51 is the Performance Handling Package and This included stiffer shocks, springs and larger swaybars. Length, With Steel Arm, Except RPO Code AVV (2016 1/2 Year Model Identification). 28 Coupons. This method was adopted the very first time about the GMT400 trucks that were manufactured between 1987 and 1998. RPO Code: DESCRIPTION. com! 2004 Chevy Avalanche CODES P0740, P0753, P0758, P0785, P0761 Also including Oldsmobile, Geo, Hummer, and Saturn (North American brands). This post is to help you identify the color of leather that is in your vehicle. Home|Custom SPID labels | Truck Pics|67-72 FAQ|Links|Tractors|. Order Fuel Pump/Strainer for your 2002 Chevrolet Silverado 1500 and pick it up in store—make your purchase, find a store near you, and get directions. Fits Front Right Lower; RWD; 2016-1/2 MODEL YEAR IDENTIFICATION(AVV) Or Front Right Lower; 4WD; Extended Cab Pickup; 143. Most has been mentioned, but I figured this couldn't hurt. 5' Fleetside 17 mpg city / 23 mpg hwy. 57: Alternate. If it is it`ll be there. Buy a tire size that fits your 2012 Chevrolet Silverado 1500. The Chevrolet Silverado, and its mechanically identical counterpart the GMC Sierra, are a series of full-size and heavy-duty pickup trucks manufactured by General Motors and introduced in 1998 as the successor to the long-running Chevrolet C/K line. The characters "Z71" don't stand for anything. There are two compressors listed for the 2000. automaker General Motors uses for its off-road suspension package. com and find specs, pricing, MPG, safety data, photos, videos, reviews and local inventory. i went through my rpo codes last night, and have a few questions. payload - what is the payload for a 1992 c/k1500 2 wheel drive 5. GM RPO Codes, or General Motors "Regular Production Option" codes contain lots of valuable information about your GM vehicle. This post is to help you identify the color of leather that is in your vehicle. These RPO codes are used to idicate a specific type of differential and/or ring gear size. The first Z71 trim package debuted in 1988. B001B CHEVROLET. A31 - Power Windows. Escalade (w/Luxuary System) 2000-2000. a Z71 should have Z71 in the list. A partial example of RPO codes for a vehicle (Z71 in this case) to give some idea of how these codes are combined for a vehicle build: UTJ - THEFT DETERRENT SYSTEM UVC - REAR VISION CAMERA V76 - RECOVERY HOOKS, FRONT V8D - VEHICLE STATEMENT VB5 - BUMPER, FRONT, BODY COLOR VHM - VEHICLE HEALTH MANAGEMENT VK3 - FRONT LICENSE PLATE BRACKET. " Navigate to the "Camaro Source" RPO code look-up Web page (see Resources for link) and scroll down to the middle of the page, to the option labeled "Full GM Vehicle RPO Decoder. The vehicle's RPO list is printed on the Service Parts Identification Label. Rear Axle Code example: CB G 112 1 E (CB = Ratio, G = Plant, 112 = 112th day of year, 1 = shift, E = Positraction Source) Assembly Plant Codes Buick - B. In the glove box is a little sticker with a bunch of 3 digit codes. The 1972 Chevrolet Corvette was changed very little from the previous years, mostly this was the last year for some major things. 73 VIN S * F Code Upper and Lower Intake * Fully Welded Diamondeye 4" exhaust turbo back * H. 00l secondary color, exterior, prime 00u primary color, exterior, prime 01l secondary color, exterior, special 91 01u primary color, exterior, special, 91 02a stripe color, accent, two tone, beige/garnet 93 02l secondary color, exterior, special, chart not 02u primary. But it later became a trim line; there was no Z28 option. VERY DK SAPPHIRE (D) (91) 6A3 : COVERING, FLOOR MATS FRT & RR H. i went through my rpo codes last night, and have a few questions. If it is the Z71, it has a different design, so let me know if that is the case. Z71 option package versus normal 4WD. Option Code Description SB7 LPO, Chrome decal, Z71 SB9 LPO, Chrome decal, 4x4 SC0 LPO, Tie-down hooks, bed-mounted. To find out what Amp Alt your 97" has, inside your glove box is a White Sticker, which is called a Service Parts I. 7MT 69I 6MT 1SZ R9Z. Thanks to 05_LLY 8th Vin #1-LB7 300 hp 8th Vin #2-04. Did you mean OBDII codes? You have a few areas of codes there. "9C1" is a police package, "CJ2" is automatic climate control, and so on. S = Standard Equipment A = Available -- (dashes) = Not Available D = ADI Available Only RPO Code are for internal use only and should not be ordered. 3 cm) chrome-clad aluminum wheels, (QXN) P265/65R18 on-/off-road blackwall tires, (DL3) outside heated power-adjustable, power-folding body-colored mirrors, (Z82. 2020 Chevrolet Suburban Trims & Specs Z71® Off-Road Package Z71 suspension Z71-specific skid plates Z71-specific 18" wheels All-terrain tires Z71-specific grille design Black tubular assist. Identify your GMC or Chevrolet rear end gear ratio by the RPO Codes, usually located on the placard labeled “Service Parts Identification” inside the drivers door panel or glove box. codes for your vehicle. i may still choose to use a blue color but at least now i can find out what was. while working down thru the several re-painting jobs , it usualy looks like the car was blue then burgundy then white. 0 V6 Auto '94 K2500 5. "Z71" is a Regular Production Option, or RPO, code that U. 3L RPO Code NP8 (2 Speed, Push Button Control Transfer Case), Fits NVG246 Transfer Case, With 4 Position Selector Switch. Engine codes for passenger cars. Elkland, Pennsylvania. a Z71 should have Z71 in the list. Each RPO code is a combination of three alphanumeric characters (like Z71) that refers to a specific option or modification to the vehicle as built during production. Customer Questions & Answers See questions and answers. The characters "Z71" don't stand for anything. 5-05 LLY 310hp autos only, 300 hp manual trans and 4500/5500 8th Vin #3-06 LLY ratings are the same as vin 2 8th vin #D-LBZ 360 hp auto only, not an option in manual trans or 4500/5500 trucks> 8th Vin #6-LMM 365 hp. Find Dorman Impact Sensor; Impact Sensors- Front Bumper 590-200 at discount prices in our extensive Cadillac, Chevrolet, GMC auto parts catalog. View pictures, specs, and pricing & schedule a test drive today. com (for anything), use this link to support OBD-Codes. Save up to 40% on 2006 Chevrolet Colorado Parking Brake Cables. 98 Z71 Yo MSF!! in the glovebox there is a big list of codes. burn … read more. I [think] I found the same post, but it seems that link is now a paid service. Go to your glove box or center console, there is a SPID label, indicating all the R. Here is how to read the RPO vehicle option codes in a GMC or Chevrolet General Motors truck. Your truck may have a Z71 sticker on the side of the bed indicating an off-road package; that is an example of an RPO code. The CompNine Total VIN Decoder includes Buick, Cadillac, Chevrolet, Geo, GMC, Hummer, Isuzu, Suzuki, Saab, Saturn, Pontiac, Oldsmobile, Chrysler, Dodge, Eagle, Jeep. Click on the "Decode My RPO Codes!" button to display your vehicle's options information and to examine the list to determine the axle ratio for your 2002 Chevrolet Silverado. Greg '95 K1500 Z71 EC Short Step 5. It was also the last year for performance options RPO LT1 and RPO ZR1. NG1 - 50-State Emissions. Its in alphabetical order, just follow thru to Z71. Or, when you calculate the potential data loss of an asynchronous-commit secondary replica using the method in Monitor Performance for Always On. The package also includes Rear Park Assist (RPO: UD7) and Spray-on Bedliner (RPO: CGN). Chevy Silverado 1500 Tire Sizes. 0" WB 4WD SL in Columbia, SC at Classic Ford Lincoln of Columbia. 3L 4 Wheel Drive with RPO Code Z71 (Off Road Package) without Electronic Suspension without Heavy Duty Suspension without RPO Code ZW7 (Premium Smooth Ride Suspension) Rear Shock Absorber: 2001-2006:. Promo Code: GREEN exclusions apply. WB $22,645. For a breakdown of all the trim codes, and possible colors of leather for 00-02 Chevy/GMC vehicles, please click here. like 454cid said, look for RPO code NZZ. I have a 2011 Silverado with Z85 package. You are not allowed to view links. Many RPO codes have been reused over the years. re rpo thnx thank you for helping with the codes. Cost of diagnosing the P0449 CHEVROLET code. It really is like no days and nights without the need of individuals referring to it. If the Silverado is four-wheel drive and has a 3. Fits Front Right Lower; RWD; 2016-1/2 MODEL YEAR IDENTIFICATION(AVV) Or Front Right Lower; 4WD; Extended Cab Pickup; 143. The GM LS family is quite large, broken into Generation III/IV, so don't be surprised when you see overlap and unfamiliar RPO codes. It throws in the Trailering Package, 20-inch aluminum wheels on 275/60 all-terrain tires, and all-weather floor liners. The RPO ZR1 option included the LT1 engine, M22 (Rock Crusher) transmission, heavy-duty power brakes, transistor ignition, special aluminum radiator, and special springs, shocks, front and rear stabilizer bars and metal fan shrouds. rpo codes and descriptions code description abp window clear, all, w/s shaded abr window manual operated, frt dr abu restraint head, rr seat, cloth covered, closed section, up/ down adjustment abv window power operated, rr side access drs abv 2011 oem engine physical id abv & production number 12625207 abw window opaque, all except w/s and frt drs. 2 Z71 Off-Road Package, includes (Z71) Off-Road suspension, (JHD) Hill Descent Control, (NZZ) skid plates and (K47) high-capacity air filter 1 - Requires Crew Cab or Double Cab 4WD model, (Z82) Trailering Package and AT or MT tires. 3-liter V8, 6. Free Flow RPO Code Ref. Not all applications will have one of these codes but when they apply, they will be listed in addition to an axle code found in the main RPO axle code list below. B001B CHEVROLET. Below is a complete list of the General Motors Regular Production Option (RPO) Codes. For the old timers out there, it is the same issue as the Cadillac V8-6-4 engine. Gear ratio, ring gear rotation, and thick gear designations can be found marked on most gears. RPO Codes 543- 999. Step 1 - Check differential code. These codes are a combination of 3 alphanumeric characters and refer to a specific option. 20D : TRIM C0MBINATION, CLOTH.