Chevrolet · 1983-1991
Blazer (full-size, K5) — Square body (1983–1991)
blazer · k5 blazer · k blazer · v blazer
91 option rows 91 RPO codes 7 model years
100% Factory-verified
- ✓ Factory-verified · 91
- ● Confirmed · 0
- ◑ Single-source · 0
- ⚠ Disputed · 0
Applicable options
Documented RPO codes
Model year
| Code | Option | Years | Notes & factory source | Confidence |
|---|---|---|---|---|
| Engines | ||||
| L05 | Engine, 5.7L V8, electronic fuel injection | 1988, 1990, 1991 | standard; 1988 from the 1988 truck engine data page, which lists it as standard on the V10/1500 Blazer/Jimmy; the 1990 powertrain page prints LOS and LD5 and the 1991 page also prints LO5 GM Heritage factory kit — 1988 Chevrolet Truck, p.41. GM Heritage factory kit — 1990 Chevrolet Blazer, p.15. GM Heritage factory kit — 1991 Chevrolet Blazer, p.5. | Factory-verified |
| LE9 | Engine, 5.0L V8, 4 barrel | 1983–1986 | standard gasoline engine (305 cu in); the 1984 price page prints LES GM Heritage factory kit — 1983 Chevrolet Blazer, p.8. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.4. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.10. GM Heritage factory kit — 1986 Chevrolet Blazer, p.10. | Factory-verified |
| LH6 | Engine, diesel, 6.2L V8 | 1983–1986, 1988, 1990, 1991 | light duty 6.2 liter (379 cu in) diesel; requires B3J diesel equipment and MX0; 1988 from the 1988 truck engine data page, which lists it as standard on the V10/1500 Blazer/Jimmy diesel; the 1990–1991 pages mark it not available in California GM Heritage factory kit — 1983 Chevrolet Blazer, p.8. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.16. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.10. GM Heritage factory kit — 1986 Chevrolet Blazer, p.10. GM Heritage factory kit — 1988 Chevrolet Truck, p.49. GM Heritage factory kit — 1990 Chevrolet Blazer, p.15. GM Heritage factory kit — 1991 Chevrolet Blazer, p.15. | Factory-verified |
| LS9 | Engine, 5.7L V8, 4 barrel | 1983–1986 | only with YF5 California emissions GM Heritage factory kit — 1983 Chevrolet Blazer, p.8. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.4. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.10. GM Heritage factory kit — 1986 Chevrolet Blazer, p.10. | Factory-verified |
| Transmissions | ||||
| MM4 | Transmission, manual, 4 speed | 1983–1986, 1990, 1991 | not with B3J diesel equipment or LS9; the 1990–1991 powertrain pages name the SM465 gearbox; the 1990–1991 option pages print MM42 with a footnote mark GM Heritage factory kit — 1983 Chevrolet Blazer, p.4. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.4. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1986 Chevrolet Blazer, p.10. GM Heritage factory kit — 1990 Chevrolet Blazer, p.6. GM Heritage factory kit — 1991 Chevrolet Blazer, p.6. | Factory-verified |
| MX0 | Transmission, 4 speed automatic, overdrive | 1983–1986, 1990, 1991 | required with the LH6 diesel; the 1990 powertrain page names the 700R4 gearbox; the kit pages print MXO (the 1990 power team chart also prints MX0) GM Heritage factory kit — 1983 Chevrolet Blazer, p.4. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.16. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1986 Chevrolet Blazer, p.10. GM Heritage factory kit — 1990 Chevrolet Blazer, p.6. GM Heritage factory kit — 1991 Chevrolet Blazer, p.16. | Factory-verified |
| Axles | ||||
| G80 | Axle, rear, locking differential | 1983–1986, 1990 | the kits print it as the locking differential; the GMT400 doc reads it from GM lists as Positraction; the 1983–1986 price pages print G8O; the 1991 option page prints GaO, so 1991 is left out GM Heritage factory kit — 1983 Chevrolet Blazer, p.8. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.5. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.10. GM Heritage factory kit — 1986 Chevrolet Blazer, p.10. GM Heritage factory kit — 1990 Chevrolet Blazer, p.15. | Factory-verified |
| GQ1 | Axle, rear, standard ratio | 1983–1986 | the power team charts print it in every team; the wording is GM's own list wording (the S-10 Blazer and GMT400 Blazer docs); 73-87.com also reads it as the standard (non-Positraction) rear axle GM Heritage factory kit — 1983 Chevrolet Blazer, p.4. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.4. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1986 Chevrolet Blazer, p.6. | Factory-verified |
| GT4 | Axle, rear, 3.73 ratio | 1983–1986 | power team charts only GM Heritage factory kit — 1983 Chevrolet Blazer, p.4. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.4. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1986 Chevrolet Blazer, p.6. | Factory-verified |
| GU4 | Axle, rear, 3.08 ratio | 1983–1986 | power team charts only GM Heritage factory kit — 1983 Chevrolet Blazer, p.4. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.4. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1986 Chevrolet Blazer, p.6. | Factory-verified |
| GU6 | Axle, rear, 3.42 ratio | 1983–1986 | power team charts only GM Heritage factory kit — 1983 Chevrolet Blazer, p.4. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.4. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1986 Chevrolet Blazer, p.6. | Factory-verified |
| Packages & Trims | ||||
| V22 | Appearance package, deluxe front | 1983–1986 | dark argent grille with bright trim and dual rectangular headlamps; included with YE9; the GMT400 doc reads it from GM lists as a chrome radiator grille GM Heritage factory kit — 1983 Chevrolet Blazer, p.9. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.5. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11. GM Heritage factory kit — 1986 Chevrolet Blazer, p.11. | Factory-verified |
| YE9 | Decor package, Silverado | 1983–1986, 1990, 1991 | the kits name it the Silverado model option (1983–1986) and the Silverado trim level (1990–1991; the 1990 page names it Silverado/SLE); the GMT400 doc reads it from GM lists as comfort and decor level 3; the 1984 price page prints YEO GM Heritage factory kit — 1983 Chevrolet Blazer, p.7. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.9. GM Heritage factory kit — 1986 Chevrolet Blazer, p.9. GM Heritage factory kit — 1990 Chevrolet Blazer, p.16. GM Heritage factory kit — 1991 Chevrolet Blazer, p.16. | Factory-verified |
| YG1 | Molding package, custom | 1983–1986 | includes B84 black body side moldings and wheel opening moldings; included with ZY3 and ZY5; the 1984 page prints YGI GM Heritage factory kit — 1983 Chevrolet Blazer, p.10. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.18. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.12. GM Heritage factory kit — 1986 Chevrolet Blazer, p.12. | Factory-verified |
| YG3 | Molding package, deluxe | 1983–1986 | includes B85 bright body side moldings and wheel opening moldings; included with YE9 GM Heritage factory kit — 1983 Chevrolet Blazer, p.10. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.19. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.12. GM Heritage factory kit — 1986 Chevrolet Blazer, p.12. | Factory-verified |
| ZQ2 | Operating convenience package | 1983–1986 | includes AU3 power door locks and A31 power windows; the 1983, 1985 and 1986 option lines print the code as z02 or Z02, so those years cite the pages that print ZQ2 in the power window (1983) or power door lock (1985, 1986) cross-reference; the 1991 page prints z02 only, so 1991 is left out GM Heritage factory kit — 1983 Chevrolet Blazer, p.11. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11. GM Heritage factory kit — 1986 Chevrolet Blazer, p.11. | Factory-verified |
| Equipment | ||||
| A31 | Window, power | 1983–1986 | side doors; included with ZQ2; the 1986 page (p.13) prints A31 only in the ZQ2 contents (the 1986 power window line on p.14 has no legible code) GM Heritage factory kit — 1983 Chevrolet Blazer, p.11. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.13. GM Heritage factory kit — 1986 Chevrolet Blazer, p.13. | Factory-verified |
| A33 | Window, power, tailgate | 1983–1985 | electric tailgate window GM Heritage factory kit — 1983 Chevrolet Blazer, p.11. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.13. | Factory-verified |
| AA3 | Glass, deep tinted, light tinted rear window | 1984, 1986 | deep tinted laminated side window glass with tinted tailgate and side door glass; included with AJ1; the 1983 (p.9) and 1985 (p.11) OCR text prints the code with Cyrillic letters, so those years are left out GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.5. GM Heritage factory kit — 1986 Chevrolet Blazer, p.12. | Factory-verified |
| AD5 | Window, sliding side quarter | 1983–1986, 1990 | the 1991 page prints ADS, so 1991 is left out GM Heritage factory kit — 1983 Chevrolet Blazer, p.9. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.13. GM Heritage factory kit — 1986 Chevrolet Blazer, p.14. GM Heritage factory kit — 1990 Chevrolet Blazer, p.16. | Factory-verified |
| AJ1 | Glass, deep tinted | 1983–1986, 1990, 1991 | the 1983–1986 pages describe dark laminated side window and tailgate glass, the 1990–1991 pages a deep tinted rear window; the 1990 page prints AJI GM Heritage factory kit — 1983 Chevrolet Blazer, p.9. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.5. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11. GM Heritage factory kit — 1986 Chevrolet Blazer, p.12. GM Heritage factory kit — 1990 Chevrolet Blazer, p.15. GM Heritage factory kit — 1991 Chevrolet Blazer, p.15. | Factory-verified |
| AK9 | Belts, shoulder, rear seat | 1990 | requires AM7; the 1991 OCR text prints the code with a Cyrillic A, so 1991 is left out GM Heritage factory kit — 1990 Chevrolet Blazer, p.16. | Factory-verified |
| AM7 | Seat, rear, folding, 3 passenger | 1983–1986, 1990, 1991 | forward folding; one of AM7 or YG4 must be ordered GM Heritage factory kit — 1983 Chevrolet Blazer, p.10. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.12. GM Heritage factory kit — 1986 Chevrolet Blazer, p.13. GM Heritage factory kit — 1990 Chevrolet Blazer, p.16. GM Heritage factory kit — 1991 Chevrolet Blazer, p.16. | Factory-verified |
| AU3 | Locks, power door | 1983–1986 | included with ZQ2 GM Heritage factory kit — 1983 Chevrolet Blazer, p.9. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.18. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11. GM Heritage factory kit — 1986 Chevrolet Blazer, p.11. | Factory-verified |
| B32 | Floor mats, front, color-keyed | 1983–1986 | only with custom vinyl or cloth interior GM Heritage factory kit — 1983 Chevrolet Blazer, p.9. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.5. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11. GM Heritage factory kit — 1986 Chevrolet Blazer, p.11. | Factory-verified |
| B33 | Floor mat, rear, color-keyed, one piece | 1986 | GM Heritage factory kit — 1986 Chevrolet Blazer, p.11. | Factory-verified |
| B3J | Equipment, diesel | 1983–1986, 1990, 1991 | required with the LH6 diesel; the 1984–1991 kits print it with the body code of the diesel model (Z58/B3J, Z59/B3J, ZW9/B3J) GM Heritage factory kit — 1983 Chevrolet Blazer, p.9. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.11. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.9. GM Heritage factory kit — 1986 Chevrolet Blazer, p.9. GM Heritage factory kit — 1990 Chevrolet Blazer, p.8. GM Heritage factory kit — 1991 Chevrolet Blazer, p.11. | Factory-verified |
| B84 | Moldings, body side, black | 1983–1986 | bright with black insert; included with YG1, ZY3 and ZY5 GM Heritage factory kit — 1983 Chevrolet Blazer, p.10. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.12. GM Heritage factory kit — 1986 Chevrolet Blazer, p.12. | Factory-verified |
| B85 | Moldings, body side, bright | 1983–1986 | included with YG3 and YE9; the 1984 order guide (p.6) prints the code in its moldings list without its wording, and the 1984 price page (p.18) prints 885 GM Heritage factory kit — 1983 Chevrolet Blazer, p.10. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.12. GM Heritage factory kit — 1986 Chevrolet Blazer, p.12. | Factory-verified |
| B93 | Guards, door edge | 1984–1986, 1991 | the 1983 page (p.10) prints 893, so 1983 is left out GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.12. GM Heritage factory kit — 1986 Chevrolet Blazer, p.13. GM Heritage factory kit — 1991 Chevrolet Blazer, p.15. | Factory-verified |
| BB5 | Headliner, interior | 1983–1986 | included with YE9 GM Heritage factory kit — 1983 Chevrolet Blazer, p.10. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11. GM Heritage factory kit — 1986 Chevrolet Blazer, p.12. | Factory-verified |
| C42 | Heater, front, heavy duty | 1984–1986 | only with B3J diesel equipment; not with C60; the 1983 page prints the heater line without a code GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11. GM Heritage factory kit — 1986 Chevrolet Blazer, p.12. | Factory-verified |
| C60 | Air conditioning, All-Weather | 1983–1986, 1990, 1991 | not with V10; the 1990–1991 kits print it as air conditioning with a 100 amp alternator; 1990 from the cooling page, which prints the code beside the optional air conditioning radiator (the 1990 option line has no legible code); the GMT400 doc reads it from GM lists as front air conditioning GM Heritage factory kit — 1983 Chevrolet Blazer, p.9. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.5. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11. GM Heritage factory kit — 1986 Chevrolet Blazer, p.11. GM Heritage factory kit — 1990 Chevrolet Blazer, p.13. GM Heritage factory kit — 1991 Chevrolet Blazer, p.15. | Factory-verified |
| CD4 | Wipers, windshield, intermittent | 1983–1986 | the 1990 trim page lists intermittent wipers as standard GM Heritage factory kit — 1983 Chevrolet Blazer, p.11. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.13. GM Heritage factory kit — 1986 Chevrolet Blazer, p.14. | Factory-verified |
| D44 | Mirror, outside, below eye line, painted | 1984 | 9 x 6.5 inch, left-hand and right-hand GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. | Factory-verified |
| D45 | Mirror, outside, below eye line, stainless steel | 1984, 1990 | 9 x 6.5 inch, left-hand and right-hand GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1990 Chevrolet Blazer, p.15. | Factory-verified |
| D48 | Mirror, outside, remote control, electric | 1990, 1991 | 6.5 x 9.0 inch; the 1991 page requires ZQ2 and YE9 GM Heritage factory kit — 1990 Chevrolet Blazer, p.15. GM Heritage factory kit — 1991 Chevrolet Blazer, p.15. | Factory-verified |
| F60 | Spring, front, heavy duty | 1984–1986, 1990, 1991 | 2250 lb each; includes heavy duty front and rear shock absorbers; for snowplow use (1984–1986) or front mounted accessories (1990–1991) GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.12. GM Heritage factory kit — 1986 Chevrolet Blazer, p.13. GM Heritage factory kit — 1990 Chevrolet Blazer, p.16. GM Heritage factory kit — 1991 Chevrolet Blazer, p.16. | Factory-verified |
| K05 | Heater, engine block | 1983–1986 | 600 watt, 120 volt; not with B3J diesel equipment; included with V10; the 1983 and 1985 pages print KO5 GM Heritage factory kit — 1983 Chevrolet Blazer, p.9. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11. GM Heritage factory kit — 1986 Chevrolet Blazer, p.12. | Factory-verified |
| K34 | Speed control, electronic | 1983–1986 | GM Heritage factory kit — 1983 Chevrolet Blazer, p.10. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.12. GM Heritage factory kit — 1986 Chevrolet Blazer, p.13. | Factory-verified |
| K46 | Air cleaner, pre-cleaner | 1983–1986 | GM Heritage factory kit — 1983 Chevrolet Blazer, p.9. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.5. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11. GM Heritage factory kit — 1986 Chevrolet Blazer, p.11. | Factory-verified |
| K81 | Generator, 66 amp | 1983–1986 | included with B3J, Z82, V10 and C60 GM Heritage factory kit — 1983 Chevrolet Blazer, p.9. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.18. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11. GM Heritage factory kit — 1986 Chevrolet Blazer, p.12. | Factory-verified |
| KC4 | Cooling system, engine oil | 1983–1986, 1990, 1991 | the kits print it as the engine oil cooler; not with B3J diesel equipment; included with Z82; the 1984 option line prints KCA and the 1990 option line KC+, so 1984, 1990 and 1991 cite the pages that print KC4 only in the Z82 contents GM Heritage factory kit — 1983 Chevrolet Blazer, p.9. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.20. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11. GM Heritage factory kit — 1986 Chevrolet Blazer, p.11. GM Heritage factory kit — 1990 Chevrolet Blazer, p.16. GM Heritage factory kit — 1991 Chevrolet Blazer, p.16. | Factory-verified |
| N33 | Steering wheel, Comfortilt | 1983–1986 | GM Heritage factory kit — 1983 Chevrolet Blazer, p.11. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.12. GM Heritage factory kit — 1986 Chevrolet Blazer, p.13. | Factory-verified |
| N67 | Wheels, rally | 1983–1986, 1990, 1991 | 15 x 8 steel wheels with trim rings and hub caps; not with P215 tires; the 1983 and 1986 pages print N67 only in the tire notes (their rally wheel lines have no code) GM Heritage factory kit — 1983 Chevrolet Blazer, p.8. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.13. GM Heritage factory kit — 1986 Chevrolet Blazer, p.10. GM Heritage factory kit — 1990 Chevrolet Blazer, p.16. GM Heritage factory kit — 1991 Chevrolet Blazer, p.16. | Factory-verified |
| N90 | Wheels, aluminum, cast | 1985, 1986, 1990, 1991 | four 15 x 7 wheels with special hub caps; the 1990–1991 pages add a steel spare wheel GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.13. GM Heritage factory kit — 1986 Chevrolet Blazer, p.14. GM Heritage factory kit — 1990 Chevrolet Blazer, p.16. GM Heritage factory kit — 1991 Chevrolet Blazer, p.16. | Factory-verified |
| NK7 | Fuel tank, approximately 31 gallon | 1983–1986 | about 31 gallons with gasoline engines and 32 gallons with the diesel; replaces the production tank GM Heritage factory kit — 1983 Chevrolet Blazer, p.11. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.12. GM Heritage factory kit — 1986 Chevrolet Blazer, p.13. | Factory-verified |
| NY1 | Shield, fuel tank | 1983–1986, 1991 | includes a transfer case shield; the 1990 page prints VYI, so 1990 is left out GM Heritage factory kit — 1983 Chevrolet Blazer, p.10. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.12. GM Heritage factory kit — 1986 Chevrolet Blazer, p.13. GM Heritage factory kit — 1991 Chevrolet Blazer, p.16. | Factory-verified |
| P01 | Wheel covers, bright metal | 1983–1986, 1990, 1991 | front units have hub clearance holes; the 1990 page includes them with YE9; not with N67 or N90 (1990–1991); the kit pages print PO1 GM Heritage factory kit — 1983 Chevrolet Blazer, p.11. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.20. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.13. GM Heritage factory kit — 1986 Chevrolet Blazer, p.14. GM Heritage factory kit — 1990 Chevrolet Blazer, p.16. GM Heritage factory kit — 1991 Chevrolet Blazer, p.16. | Factory-verified |
| PA6 | Wheels, styled | 1983–1986 | four 15 x 8 wheels; not with P215 tires; the 1983 and 1986 pages print PA6 only in the tire notes (their styled wheel lines have no code) GM Heritage factory kit — 1983 Chevrolet Blazer, p.8. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.13. GM Heritage factory kit — 1986 Chevrolet Blazer, p.10. | Factory-verified |
| T63 | Buzzer, headlamp warning | 1983–1986 | the 1990 trim page lists the headlamp warning buzzer as standard GM Heritage factory kit — 1983 Chevrolet Blazer, p.10. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11. GM Heritage factory kit — 1986 Chevrolet Blazer, p.12. | Factory-verified |
| TT4 | Headlamps, halogen | 1983 | the 1983 option line prints Halogen Hi-Beam; not with V22, TT5 or YE9 GM Heritage factory kit — 1983 Chevrolet Blazer, p.9. | Factory-verified |
| TT5 | Headlamps, halogen high beam | 1983–1986 | only with V22 or YE9 GM Heritage factory kit — 1983 Chevrolet Blazer, p.9. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11. GM Heritage factory kit — 1986 Chevrolet Blazer, p.12. | Factory-verified |
| U35 | Clock, electric, quartz | 1983–1986 | includes Z53 gages without YE9; the 1986 page rules it out with UM6 GM Heritage factory kit — 1983 Chevrolet Blazer, p.9. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.5. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11. GM Heritage factory kit — 1986 Chevrolet Blazer, p.11. | Factory-verified |
| U37 | Lighter, cigarette | 1983–1986 | included with YE9; the 1983 page (p.7) prints U37 only in the YE9 contents (the 1983 lighter line on p.10 has no code) GM Heritage factory kit — 1983 Chevrolet Blazer, p.7. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.5. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.12. GM Heritage factory kit — 1986 Chevrolet Blazer, p.12. | Factory-verified |
| U58 | Radio, AM/FM stereo | 1983–1986 | only with YE9 GM Heritage factory kit — 1983 Chevrolet Blazer, p.10. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.12. GM Heritage factory kit — 1986 Chevrolet Blazer, p.13. | Factory-verified |
| U63 | Radio, AM | 1983–1986 | the 1990 trim page lists an AM radio as standard on Chevrolet models GM Heritage factory kit — 1983 Chevrolet Blazer, p.10. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.12. GM Heritage factory kit — 1986 Chevrolet Blazer, p.13. | Factory-verified |
| U69 | Radio, AM/FM | 1983–1986 | GM Heritage factory kit — 1983 Chevrolet Blazer, p.10. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.12. GM Heritage factory kit — 1986 Chevrolet Blazer, p.13. | Factory-verified |
| U76 | Antenna, windshield | 1984, 1985 | included with the radios GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.12. | Factory-verified |
| UA1 | Battery, heavy duty | 1983–1986 | 515 cold cranking amps; not with B3J diesel equipment; included with V10; the 1985 and 1986 pages print UAI GM Heritage factory kit — 1983 Chevrolet Blazer, p.9. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.5. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11. GM Heritage factory kit — 1986 Chevrolet Blazer, p.11. | Factory-verified |
| UL5 | Radio, delete | 1991 | the 1990 page prints the radio delete line as ULS, so 1990 is left out GM Heritage factory kit — 1991 Chevrolet Blazer, p.15. | Factory-verified |
| UM6 | Radio, AM/FM stereo, electronically tuned, seek and scan, cassette tape, digital clock | 1986, 1990 | requires YE9 (1990); the 1986 page (p.11) prints UM6 only in the U35 clock cross-reference (the 1986 radio line on p.13 has no legible code); the 1991 page prints this radio without a legible code GM Heritage factory kit — 1986 Chevrolet Blazer, p.11. GM Heritage factory kit — 1990 Chevrolet Blazer, p.15. | Factory-verified |
| UM7 | Radio, AM/FM stereo, electronically tuned, seek and scan, digital clock | 1991 | includes a mast antenna GM Heritage factory kit — 1991 Chevrolet Blazer, p.15. | Factory-verified |
| UN3 | Radio, AM/FM stereo, cassette tape | 1983–1986 | only with YE9 GM Heritage factory kit — 1983 Chevrolet Blazer, p.10. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.12. GM Heritage factory kit — 1986 Chevrolet Blazer, p.13. | Factory-verified |
| UX1 | Radio, AM/FM stereo, electronically tuned, seek and scan, cassette tape, search and repeat, graphic equalizer, digital clock | 1990, 1991 | requires YE9; the kit descriptions are partly illegible (the 1990 page shows the graphic equalizer, repeat and digital clock words); the GMT400 docs read it from GM lists as '..., cassette, search and repeat, graphic equalizer, clock, ETR'; the 1990 page prints UXI GM Heritage factory kit — 1990 Chevrolet Blazer, p.15. GM Heritage factory kit — 1991 Chevrolet Blazer, p.15. | Factory-verified |
| UY7 | Wiring harness, trailer, heavy duty | 1984–1986, 1990, 1991 | 7 lead; included with Z82; the 1986 and 1991 option lines print UYT, so those years cite the pages that print UY7 only in the Z82 contents (the 1983 page prints UYT only, so 1983 is left out) GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.5. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11. GM Heritage factory kit — 1986 Chevrolet Blazer, p.14. GM Heritage factory kit — 1990 Chevrolet Blazer, p.15. GM Heritage factory kit — 1991 Chevrolet Blazer, p.16. | Factory-verified |
| V01 | Radiator, heavy duty | 1983–1986, 1990, 1991 | not with C60 or B3J; 1990 and 1991 from the cooling pages, which print the code beside the optional heavy duty radiator; the kit pages also print VO1, Vo1 GM Heritage factory kit — 1983 Chevrolet Blazer, p.9. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.18. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11. GM Heritage factory kit — 1986 Chevrolet Blazer, p.11. GM Heritage factory kit — 1990 Chevrolet Blazer, p.13. GM Heritage factory kit — 1991 Chevrolet Blazer, p.13. | Factory-verified |
| V02 | Radiator and transmission oil cooler, heavy duty | 1983–1986, 1990, 1991 | not with MM4; included with Z82; the 1983 and 1984 pages call it a transmission oil cooler; 1991 from the cooling page; the kit pages also print VO2 GM Heritage factory kit — 1983 Chevrolet Blazer, p.9. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.17. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11. GM Heritage factory kit — 1986 Chevrolet Blazer, p.11. GM Heritage factory kit — 1990 Chevrolet Blazer, p.15. GM Heritage factory kit — 1991 Chevrolet Blazer, p.13. | Factory-verified |
| V10 | Package, cold climate | 1983–1986, 1990, 1991 | includes special insulation, a special heater and defroster, K05 engine block heater and UA1 heavy duty battery; not with C60 or B3J; the GMT400 doc reads it from GM lists as cold climate provisions; the 1985 page (p.11) prints V10 only in the C60 cross-reference (the 1985 Cold-Climate Package line has no code); the 1990 page prints V1O GM Heritage factory kit — 1983 Chevrolet Blazer, p.9. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.5. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11. GM Heritage factory kit — 1986 Chevrolet Blazer, p.11. GM Heritage factory kit — 1990 Chevrolet Blazer, p.15. GM Heritage factory kit — 1991 Chevrolet Blazer, p.15. | Factory-verified |
| V31 | Guards, front bumper, chromed | 1983–1986 | not with VE5; the 1985 page (p.11) prints V31 only in the VE5 cross-reference (the 1985 bumper guard line has no code) GM Heritage factory kit — 1983 Chevrolet Blazer, p.9. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.5. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11. GM Heritage factory kit — 1986 Chevrolet Blazer, p.11. | Factory-verified |
| V76 | Tow hooks, front | 1983–1986 | the 1990 trim page lists front tow hooks as standard GM Heritage factory kit — 1983 Chevrolet Blazer, p.11. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.13. GM Heritage factory kit — 1986 Chevrolet Blazer, p.13. | Factory-verified |
| VE5 | Bumpers, front and rear, deluxe chromed | 1983, 1984, 1986 | includes black resilient impact strips; not with V31; the 1985 bumper line has no code GM Heritage factory kit — 1983 Chevrolet Blazer, p.9. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.5. GM Heritage factory kit — 1986 Chevrolet Blazer, p.11. | Factory-verified |
| VR2 | Trailer hitch, deadweight type | 1983–1986 | not with Z82 GM Heritage factory kit — 1983 Chevrolet Blazer, p.11. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.19. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.13. GM Heritage factory kit — 1986 Chevrolet Blazer, p.13. | Factory-verified |
| VR4 | Trailer hitch, weight distributing platform | 1983–1986, 1990, 1991 | included with Z82; the 1984 and 1991 hitch lines have no legible code (1984 p.19 prints VRA), so those years cite the pages that print VR4 only in the Z82 contents GM Heritage factory kit — 1983 Chevrolet Blazer, p.11. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.20. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.13. GM Heritage factory kit — 1986 Chevrolet Blazer, p.13. GM Heritage factory kit — 1990 Chevrolet Blazer, p.16. GM Heritage factory kit — 1991 Chevrolet Blazer, p.16. | Factory-verified |
| X6Z | Hubs, automatic locking | 1991 | the 1986 (XEZ) and 1990 (XGZ) pages print the automatic locking hub line in forms that are not accepted readings, so those years are left out GM Heritage factory kit — 1991 Chevrolet Blazer, p.15. | Factory-verified |
| YG4 | Seats, optional, not desired | 1983–1986, 1990, 1991 | the kits print it as rear seat not desired, at no charge; one of AM7 or YG4 must be ordered; the C/K square-body pickup doc reads YG4 from the pickup kits as the bonus cab body code GM Heritage factory kit — 1983 Chevrolet Blazer, p.10. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.12. GM Heritage factory kit — 1986 Chevrolet Blazer, p.13. GM Heritage factory kit — 1990 Chevrolet Blazer, p.16. GM Heritage factory kit — 1991 Chevrolet Blazer, p.16. | Factory-verified |
| Z53 | Gages, voltmeter, temperature and oil pressure | 1983–1986 | included with YE9 and U35 GM Heritage factory kit — 1983 Chevrolet Blazer, p.9. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.5. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.11. GM Heritage factory kit — 1986 Chevrolet Blazer, p.12. | Factory-verified |
| Z58 | Body, removable hardtop, white | 1983, 1984 | body ordering code of the K10516 utility with a white top GM Heritage factory kit — 1983 Chevrolet Blazer, p.1. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.10. | Factory-verified |
| Z59 | Body, removable hardtop, black | 1983, 1984 | body ordering code of the K10516 utility with a black top GM Heritage factory kit — 1983 Chevrolet Blazer, p.1. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.10. | Factory-verified |
| Z75 | Shock absorbers, front, quad | 1983–1986 | includes heavy duty rear shocks and a front axle bumper; the 1983 (p.10) and 1985 (p.12) option lines print 275, so those years cite the same pages, which print Z75 in the F60 spring lines; the 1990 and 1991 pages print 775 and 275, so those years are left out GM Heritage factory kit — 1983 Chevrolet Blazer, p.10. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.12. GM Heritage factory kit — 1986 Chevrolet Blazer, p.13. | Factory-verified |
| Z82 | Trailer provisions, special equipment, heavy duty | 1983–1986, 1990, 1991 | the kits print it as the trailering special; includes VR4 hitch platform, UY7 wiring harness and V02 cooler; requires a 3.42 or 3.73 axle and MX0; the 1984 option line prints 282 and the 1991 trailering line has no code, so those years cite the pages that print Z82 only in cross-references (1984 V10 line, 1991 V02 line) GM Heritage factory kit — 1983 Chevrolet Blazer, p.11. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.17. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.13. GM Heritage factory kit — 1986 Chevrolet Blazer, p.14. GM Heritage factory kit — 1990 Chevrolet Blazer, p.16. GM Heritage factory kit — 1991 Chevrolet Blazer, p.15. | Factory-verified |
| ZW9 | Body equipment, base body or chassis cab | 1985, 1986, 1990, 1991 | the kits print it as the body ordering code of the utility model (K10516 in 1985–1986, V10516 in 1990–1991), with B3J for the diesel GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.4. GM Heritage factory kit — 1986 Chevrolet Blazer, p.4. GM Heritage factory kit — 1990 Chevrolet Blazer, p.2. GM Heritage factory kit — 1991 Chevrolet Blazer, p.2. | Factory-verified |
| Paint | ||||
| ZY1 | Color combination, solid | 1983–1986, 1990, 1991 | GM Heritage factory kit — 1983 Chevrolet Blazer, p.7. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.15. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.9. GM Heritage factory kit — 1986 Chevrolet Blazer, p.9. GM Heritage factory kit — 1990 Chevrolet Blazer, p.15. GM Heritage factory kit — 1991 Chevrolet Blazer, p.17. | Factory-verified |
| ZY2 | Color combination, conventional two-tone | 1990, 1991 | includes the YG3 molding package GM Heritage factory kit — 1990 Chevrolet Blazer, p.15. GM Heritage factory kit — 1991 Chevrolet Blazer, p.18. | Factory-verified |
| ZY3 | Color combination, special two-tone | 1983–1986, 1990, 1991 | includes the YG1 molding package without YE9 (1983–1986) GM Heritage factory kit — 1983 Chevrolet Blazer, p.7. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.15. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.22. GM Heritage factory kit — 1986 Chevrolet Blazer, p.9. GM Heritage factory kit — 1990 Chevrolet Blazer, p.15. GM Heritage factory kit — 1991 Chevrolet Blazer, p.15. | Factory-verified |
| ZY4 | Color combination, deluxe two-tone | 1990, 1991 | GM Heritage factory kit — 1990 Chevrolet Blazer, p.15. GM Heritage factory kit — 1991 Chevrolet Blazer, p.15. | Factory-verified |
| ZY5 | Color combination, exterior decor package, two-tone with striping | 1983–1986 | dual-tone body side and rear decal striping and a hood ornament GM Heritage factory kit — 1983 Chevrolet Blazer, p.20. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.15. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.22. GM Heritage factory kit — 1986 Chevrolet Blazer, p.9. | Factory-verified |
| Internal / Process | ||||
| B3W internal | Price information, preliminary | 1983, 1984 | printed as a no-price line in the option list GM Heritage factory kit — 1983 Chevrolet Blazer, p.10. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.6. | Factory-verified |
| NA5 internal | Emission system, federal | 1983–1986 | printed in the power team chart headings and the 1984 order guide GM Heritage factory kit — 1983 Chevrolet Blazer, p.4. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.4. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1986 Chevrolet Blazer, p.6. | Factory-verified |
| NA6 internal | Emission system, high altitude | 1983–1986 | printed in the power team chart headings and the 1984 order guide GM Heritage factory kit — 1983 Chevrolet Blazer, p.4. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.4. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1986 Chevrolet Blazer, p.6. | Factory-verified |
| YF5 internal | Emission system, California | 1983–1986 | GM Heritage factory kit — 1983 Chevrolet Blazer, p.7. GM Heritage factory kit — 1984 Chevrolet Blazer RV Full Size, p.16. GM Heritage factory kit — 1985 Chevrolet Blazer RV Full Size, p.6. GM Heritage factory kit — 1986 Chevrolet Blazer, p.10. | Factory-verified |
Source document: chevrolet/blazer-k5-squarebody.md. Rows marked — record an option the factory offered whose RPO code is not documented in the consulted sources.