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| Code | Meaning | Years | Sourcing |
|---|---|---|---|
| 001 | P RAT, M RATIO, 3.70 | 1991 | GM sourced |
| 001 | Rat, M Ratio, 3.70 | 1991 | GM dated |
| 002 | P RAT, M RATIO, 4.11 (4 1/9) | 1991 | GM sourced |
| 002 | Rat, M Ratio, 4.11 (4 1/9) | 1991 | GM dated |
| 003 | Rat, M Ratio, 4.33 | 1991 | GM dated |
| 003 | P RAT, M RATIO, 4.33 | 1991 | GM sourced |
| 004 | Rat, M Ratio, 4.78 | 1994 | GM dated |
| 004 | P RAT, M RATIO, 4.78 | 1994 | GM sourced |
| 005 | Rat, M Ratio, 4.56 (4 5/9) | 1991 | GM dated |
| 005 | P RAT, M RATIO, 4.56 (4 5/9) | 1991 | GM sourced |
| 006 | Rat, M Ratio, 4.63 (4 5/8) | 1996 | GM dated |
| 006 | P RAT, M RATIO, 4.63 (4 5/8) | 1996 | GM sourced |
| 007 | Rat, M Ratio, 3.07 | 1997 | GM dated |
| 007 | P RAT, M RATIO, 3.07 | 1997 | GM sourced |
| 008 | Rat, M Ratio, 4.88 | 1996 | GM dated |
| 008 | P RAT, M RATIO, 4.88 | 1996 | GM sourced |
| 009 | Rat, M Ratio, 5.29 | 1991 | GM dated |
| 009 | P RAT, M RATIO, 5.29 | 1991 | GM sourced |
| 00A | Spare wheel upgrade Chevrolet Silverado 1500 | 2022–2023 | GM sourced |
| 00A | Wheel Spare 17 X 8.0, J, Steel, Design 2 | — | Reference |
| 00D | Not Equipped with Climate Control Knob Digital Temperature Display Chevrolet Silverado 1500 | 2022 | Provisional |
| 00G | Not Equipped with Heated Steering Wheel, see dealer for details Chevrolet Silverado 1500 | 2022–2023 | Provisional |
| 00L | Ccl, R Secondary Color, Exterior, Prime | 1989 | GM dated |
| 00L | P CCL, R SECONDARY COLOR, EXTERIOR, PRIME | 1989 | GM sourced |
| 00L | Exterior Color,secondary,prime,union City Body | — | GM dated |
| 00R | Not Equipped with Heated Rear Outboard Seats, see dealer for details Chevrolet Silverado 1500 | 2022–2023 | Provisional |
| 00U | Ccu, M Primary Color, Exterior, Prime | 1989 | GM dated |
| 00U | P CCU, M PRIMARY COLOR, EXTERIOR, PRIME | 1989 | GM sourced |
| 00U | Exterior Color,primary,prime,upper,union City Body | — | GM dated |
| 00V | Not Equipped with Heated or Ventilated Front Seats, see dealer for details Chevrolet Silverado 1500 | 2022–2023 | Provisional |
| 00Y | Not Equipped with Rear Park Assist, see dealer for details Chevrolet Silverado 1500 | 2022–2023 | Provisional |
| 00Z | Not Equipped with Front and Rear Park Assist, see dealer for details Chevrolet Silverado 1500 | 2022–2023 | Provisional |
| 010 | Rat, M Ratio, 5.43 | 1991 | GM dated |
| 010 | P RAT, M RATIO, 5.43 | 1991 | GM sourced |
| 011 | Rat, M Ratio, 5.57 (5 4/7) | 1991 | GM dated |
| 011 | P RAT, M RATIO, 5.57 (5 4/7) | 1991 | GM sourced |
| 012 | Rat, M Ratio, 5.83 | 1991 | GM dated |
| 012 | P RAT, M RATIO, 5.83 | 1991 | GM sourced |
| 013 | Rat, M Ratio, 3.73 | 1995 | GM dated |
| 013 | P RAT, M RATIO, 3.73 | 1995 | GM sourced |
| 014 | Rat, M Ratio, 6.14 (6 1/7) | 1991 | GM dated |
| 014 | P RAT, M RATIO, 6.14 (6 1/7) | 1991 | GM sourced |
| 015 | Rat, M Ratio, 6.17 | 1991 | GM dated |
| 015 | P RAT, M RATIO, 6.17 | 1991 | GM sourced |
| 016 | Rat, M Ratio, 5.25 | 1991 | GM dated |
| 016 | P RAT, M RATIO, 5.25 | 1991 | GM sourced |
| 017 | Rat, M Ratio, 6.50 | 1991 | GM dated |
| 017 | P RAT, M RATIO, 6.50 | 1991 | GM sourced |
| 018 | Rat, M Ratio, 6.65 | 1989 | GM dated |
| 018 | P RAT, M RATIO, 6.65 | 1989 | GM sourced |
| 019 | Rat, M Ratio, 6.67 | 1989 | GM dated |
| 019 | P RAT, M RATIO, 6.67 | 1989 | GM sourced |
| 01A | Stc, R Stripe Color, Accent, Two Tone, Silver/gunmetal (1995) | 1998 | GM dated |
| 01A | P STC, R STRIPE COLOR, ACCENT, TWO TONE, SILVER/GUNMETAL (1995) | 1998 | GM sourced |
| 01A | Stripe Color Accent, Two Tone, Silver/gunmetal | — | GM dated |
| 01A | Trim Color Seat Jet Black | — | GM dated |
| 01B | Trim Color Seat LT Neutral | — | Reference |
| 01C | Trim Color Seat LT Titanium | — | Reference |
| 01D | Trim Color Seat LT Cashmere | — | Reference |
| 01E | Trim Color Seat DK Titanium | — | Reference |
The full list, A to Z
Showing 101–200 of 811 codes beginning with 6. One meaning shown per code — the best-sourced one we hold. Search above for the rest.
| Code | Meaning | Years | Sourcing |
|---|---|---|---|
| 64Q | Molding Color,light Auburn Metallic | — | Reference |
| 64R | Trim Combination Vinyl, Med Doeskin | — | Reference |
| 64S | P, ROOF COLOR, BRONZE, REMOVABLE PANEL | 1984 | GM sourced |
| 64T | Vinyl Roof Color,light Auburn Metallic | — | Reference |
| 64U | P, CCU, M, PRIMARY COLOR, EXTERIOR, SALSA RED MET (05), 20821 this code has more than one documented meaning — filter by year | — | GM sourced |
| 64V | P, TRM, M, TRIM COMBINATION, VINYL, LT BEIGE (V) (96) this code has more than one documented meaning — filter by year | 1996 | GM sourced |
| 64W | P, TRM, M, TRIM COMBINATION, VINYL, LT BEIGE (W) (96) this code has more than one documented meaning — filter by year | 1996 | GM sourced |
| 652 | Trim Combination, Leather, LT Oak/med DK Oak | 1998 | GM dated |
| 653 | Trim Combination, Leather, LT Oak/med DK Oak, (3) (01) | 1998 | GM dated |
| 654 | TRIM COMBINATION, LEATHER, MED ANTELOPE (4) (91) | — | Provisional |
| 655 | TRIM COMBINATION, LEATHER, MED ANTELOPE (5) (91) | — | Provisional |
| 656 | P, TRM, M, TRIM COMBINATION, LEATHER, LT OAK (6) (98) | 1996 | Provisional |
| 659 | SEAT BELT COLOR, MED ANTELOPE (9) (91) | — | Provisional |
| 65A | Stripe Color, Accent, Two Tone, Beige Met/dk Autumnwood Met (94) this code has more than one documented meaning — filter by year | 1997 | GM dated |
| 65B | P, TRM, M, TRIM COMBINATION, CLOTH, LT OAK (B) (99) | 1996 | GM sourced |
| 65C | Label warning, California Prop 65 compliant | 2026 | GM sourced |
| 65D | P, TRM, M, TRIM COMBINATION, CLOTH, LT OAK (D) (98) | 1996 | GM sourced |
| 65E | P, TRM, M, TRIM COMBINATION, CLOTH, LT OAK/MED DK PEWTER (01) this code has more than one documented meaning — filter by year | 1998 | GM sourced |
| 65F | Floor Covering Color,medium Antelope | — | Reference |
| 65G | P, TRM, M, TRIM COMBINATION, CLOTH, LT OAK/VERY DK PEWTER (01) this code has more than one documented meaning — filter by year | 1998 | GM sourced |
| 65H | P, TRM, M, TRIM COMBINATION, CLOTH, LT OAK/MED DK OAK this code has more than one documented meaning — filter by year | 1998 | GM sourced |
| 65I | P, CCM, M, INTERIOR TRIM, SHALE BROWN, OPEL (99) this code has more than one documented meaning — filter by year | 1998 | GM sourced |
| 65L | P, CCL, R, SECONDARY COLOR, EXTERIOR, RIO VERDE, MICA (99) this code has more than one documented meaning — filter by year | 1997 | GM sourced |
| 65Q | Molding Color,medium Auburn Metallic | — | Reference |
| 65T | Vinyl Top Color,dark Sable Metallic | — | Reference |
| 65U | P, CCU, M, PRIMARY COLOR, EXTERIOR, SMOKEY CARMEL TTN (02), 20419 this code has more than one documented meaning — filter by year | — | GM sourced |
| 65X | P, TLV, R, TRIM COLOR SEAT, SHALE BROWN (OPEL), 912 E, 0 | — | Provisional |
| 65Y | P, TDP, R, TRIM COLOR DR PANEL, SHALE BROWN (OPEL), 912 E, 0 | — | Provisional |
| 662 | P, TRM, M, TRIM COMBINATION, LEATHER, MED BEECHWOOD (2) (96) | 1993 | GM sourced |
| 663 | P, TRM, M, TRIM COMBINATION, LEATHER, MED BEECHWOOD (3) (96) | 1993 | GM sourced |
| 664 | P, TRM, M, TRIM COMBINATION, LEATHER, MED BEECHWOOD (4) (91) | 1989 | GM sourced |
| 665 | P, TRM, M, TRIM COMBINATION, LEATHER, MED BEECHWOOD (5) (91) | 1989 | GM sourced |
| 666 | P, TRM, M, TRIM COMBINATION, LEATHER, MED BEECHWOOD (6) (91) | 1989 | GM sourced |
| 668 | TRIM COMBINATION, LEATHER, MED BEECHWOOD (B) (92) | — | Provisional |
| 669 | SEAT BELT COLOR, MED BEECHWOOD (9) (91) | — | Provisional |
| 66A | P, STC, R, STRIPE COLOR, ACCENT, TWO TONE, RED/SILVER SPORT (93) this code has more than one documented meaning — filter by year | 1998 | GM sourced |
| 66B | Trim Combination,cloth,beechwood | — | Reference |
| 66C | Trim Combination,cloth,beechwood | — | Reference |
| 66D | Trim Combination,cloth,beechwood | — | Reference |
| 66E | Trim Combination,cloth,medium Beechwood | — | Reference |
| 66F | P, FMT, R, COVERING COLOR, FLOOR MAT, MED BEECHWOOD (91) | 1989 | GM sourced |
| 66G | Trim Combination - Cloth, Med Beechwood | — | Reference |
| 66H | Trim Combination,cloth,beechwood | — | Reference |
| 66I | P, CCM, M, INTERIOR TRIM, DK SIENNA (97) this code has more than one documented meaning — filter by year | 1996 | GM sourced |
| 66J | Trim Combination,cloth,beechwood | — | Reference |
| 66L | P, CCL, R, SECONDARY COLOR, EXTERIOR, DK AUBURN MET (99) this code has more than one documented meaning — filter by year | 1997 | GM sourced |
| 66N | Trim Combination,vinyl,medium Beechwood | — | Reference |
| 66Q | Molding Color,dark Auburn Metallic | — | Reference |
| 66R | Trim Combination,vinyl,medium Beechwood | — | Reference |
| 66T | Vinyl Roof Color,dark Auburn Metallic | — | Reference |
| 66U | P, CCU, M, PRIMARY COLOR, EXTERIOR, COPPER ORANGE (02) HOLDEN, 20419 E, 8 this code has more than one documented meaning — filter by year | — | GM sourced |
| 66V | Trim Combination,vinyl,medium Beechwood | — | Reference |
| 672 | Trim Combination, Leather, LT Oak (saturn 00) this code has more than one documented meaning — filter by year | 1998 | GM dated |
| 673 | P, TRM, M, TRIM COMBINATION, LEATHER, OAK (3) (98) | 1998 | GM sourced |
| 674 | P, TRM, M, TRIM COMBINATION, LEATHER, OAK (4) (98) | 1998 | GM sourced |
| 675 | P, TRM, M, TRIM COMBINATION, LEATHER, OAK (5) (98) | 1998 | GM sourced |
| 676 | P, TRM, M, TRIM COMBINATION, LEATHER, OAK (6) (98) | 1998 | GM sourced |
| 678 | TRIM COMBINATION, CLOTH, LT CAMEL (B) (91) | — | Provisional |
| 679 | SEAT BELT, COLOR, LT CAMEL (91) | — | Provisional |
| 67A | P, STC, R, STRIPE COLOR, ACCENT, TWO TONE, BIEGE MET/DK AUTUMNWOOD MET (94) this code has more than one documented meaning — filter by year | 1992 | GM sourced |
| 67B | P, TRM, M, TRIM COMBINATION, CLOTH, LT OAK (B) (SATURN 00) this code has more than one documented meaning — filter by year | 1998 | GM sourced |
| 67C | P, TRM, M, TRIM COMBINATION, CLOTH, LT OAK (C) (SATURN 00) this code has more than one documented meaning — filter by year | 1998 | GM sourced |
| 67D | P, TRM, M, TRIM COMBINATION, CLOTH, LT OAK (D) (SATURN 00) this code has more than one documented meaning — filter by year | 1998 | GM sourced |
| 67E | P, TRM, M, TRIM COMBINATION, CLOTH, MED DK OAK/ACCENT OAK (01) this code has more than one documented meaning — filter by year | 1998 | GM sourced |
| 67F | Floor Covering Color,camel | — | Reference |
| 67G | P, TRM, M, TRIM COMBINATION, CLOTH, MED DK OAK (G) (99) this code has more than one documented meaning — filter by year | 1997 | GM sourced |
| 67H | P, TRM, M, TRIM COMBINATION, CLOTH, MED DK OAK (H) (99) this code has more than one documented meaning — filter by year | 1997 | GM sourced |
| 67I | P, CCM, M, INTERIOR TRIM, MED DK OAK/ACCENT OAK this code has more than one documented meaning — filter by year | 1998 | GM sourced |
| 67J | P, TRM, M, TRIM COMBINATION, CLOTH, MED DK OAK (J) (00) | 1997 | GM sourced |
| 67L | P, CCL, R, SECONDARY COLOR, EXTERIOR, IMPERIAL PURPLE (97) this code has more than one documented meaning — filter by year | 1994 | GM sourced |
| 67N | P, TRM, M, TRIM COMBINATION, VINYL, OAK (N) (00) | 1996 | GM sourced |
| 67P | Wheel Color,camel | — | Reference |
| 67Q | P, MCI, R, MOLDING COLOR, SEDONA BRONZE MET (01) | 1998 | GM sourced |
| 67R | Trim Combination,vinyl,dk Briar Brown | — | Reference |
| 67T | P, VRC, R, TOP COLOR, LT OAK (98) this code has more than one documented meaning — filter by year | 1997 | GM sourced |
| 67U | P, CCU, M, PRIMARY COLOR, EXTERIOR, SEDONA BRONZE MET (02), 20419 E, 3 this code has more than one documented meaning — filter by year | — | GM sourced |
| 67V | P, TRM, M, TRIM COMBINATION, VINYL, MED DK OAK (V) (99) this code has more than one documented meaning — filter by year | 1997 | GM sourced |
| 67W | P, TRM, M, TRIM COMBINATION, VINYL, MED DK OAK (W) (99) | 1997 | GM sourced |
| 683 | TRIM COMBINATION, LEATHER, DK AUBURN (3) (91) | — | Provisional |
| 684 | TRIM COMBINATION, LEATHER, DK AUBURN (4) (91) | — | Provisional |
| 685 | TRIM COMBINATION, LEATHER, DK AUBURN (S) (91) | — | Provisional |
| 689 | SEAT BELT, COLOR, DK AUBURN (9) (91) | — | Provisional |
| 68A | P, STC, R, STRIPE COLOR, ACCENT, SMOKEY CARMEL (97) this code has more than one documented meaning — filter by year | 1995 | GM sourced |
| 68B | P, TRM, M, TRIM COMBINATION, CLOTH, MED DK OAK (B) (98). | 1997 | GM sourced |
| 68C | Trim Combination,cloth,dark Auburn | — | Reference |
| 68D | Trim Combination,cloth,dark Auburn | — | Reference |
| 68E | Trim Combination Cloth, DK Auburn (e) (91) | — | Reference |
| 68F | Floor Covering Color,dark Auburn | — | Reference |
| 68G | Trim Combination,cloth,dark Auburn | — | Reference |
| 68H | Trim Combination,cloth,dark Auburn | — | Reference |
| 68I | P, CCM, M, INTERIOR TRIM, SHALE (99) HOLDEN | 1998 | GM sourced |
| 68L | P, CCL, R, SECONDARY COLOR, EXTERIOR, BEIGE GOLD (97) OPEL this code has more than one documented meaning — filter by year | 1997 | GM sourced |
| 68N | Trim Combination,cloth,dark Auburn | — | Reference |
| 68P | P, WHC, R, WHEEL COLOR, CHAMPAGNE MET (99) | 1998 | Provisional |
| 68Q | P, MCI, R, MOLDING COLOR, FLORENTINE COPPER (98) | 1995 | Provisional |
| 68R | Trim Combination,cloth,dark Auburn | — | Reference |
| 68T | P, VRC, R, TOP COLOR, NEUTRAL BEIGE (91) | 1989 | GM sourced |
| 68U | P, CCU, M, PRIMARY COLOR, EXTERIOR, BEIGE GOLD (02) OPEL, 20419 E, 6 this code has more than one documented meaning — filter by year | — | GM sourced |
| 692 | P, TRM, M, TRIM COMBINATION, LEATHER, LT OAK/VERY DK PEWTER, (2) (01) | 1998 | GM sourced |
| 693 | P, TRM, M, TRIM COMBINATION, LEATHER, VERY DK PEWTER, (3), 20724 E, 1 | — | GM sourced |
Using the master list
This is the full GM RPO code list we hold — every Regular Production Option code in the database, searchable by code or by description and filterable to a single model year. Most RPO lists on the internet run to a couple of hundred codes copied from one service manual. This one holds 24,366, and tells you where each meaning came from.
What an RPO code is
RPO stands for Regular Production Option. Every piece of factory equipment on a GM vehicle carries a three-character code, and the ones fitted to your truck are printed on the Service Parts Identification label in the glove box or on the door jamb. G80 is a locking differential, Z71 is an off-road suspension package, K05 is a block heater.
They matter because they are what the factory actually built, not what a listing claims. If you are buying a truck, the label settles the argument. If you are ordering parts, the axle and transmission codes decide which part fits.
Why the same code means different things
GM has reused these codes for decades and across every division. A code that means one thing on a 1978 pickup can mean something unrelated on a 2015 SUV, and plenty of entries in circulation come from bulk listings with no year and no document behind them.
So every entry here is labelled with where it came from. GM sourced means we hold an actual GM document for it. GM dated means it comes from the option master with a date attached. Reference means it is in general circulation with nothing dated behind it — still useful, but treat it as a lead rather than a fact. Filtering by your model year is the single best way to get an answer you can rely on.
Read the codes off your own label
If you have the sticker in front of you, the RPO decoder will read a photo of it and decode every code at once, checked against your model year.
FullSizeChevy.com is not affiliated with, endorsed by, or sponsored by General Motors. Chevrolet, GMC, Cadillac, Silverado, Sierra and related marks are trademarks of General Motors LLC and are used here only to identify applicable vehicles. RPO meanings vary by model year, platform and configuration — verify against your own label before buying parts.