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

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Model year
Blazer (full-size, K5) — Square body (1983–1991) RPO codes
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.