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docs/rpo/chevrolet/blazer-k5-gmt400.md

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Rendered verbatim from the reference. Factory citations shown as ⛭ GM Heritage — …. For filtering, badges, and crosslinks, use the interactive Blazer (full-size, K Blazer) — GMT400 (1992–1994) page.

Chevrolet Blazer (full-size, K Blazer) — GMT400 (1992–1994)

The Heritage kits (the 1992 K Blazer product book, and the 1993 and 1994 K Blazer order guides with their Light-Duty Truck Technical Guide pages) show one model, the four-wheel-drive K1500 Blazer CK10516 on a 111.5 inch wheelbase, with body code ZW9 (E55 in the 1994 order guide), the standard Cheyenne trim, the Silverado trim (YE9) and the Sport package (BYP). The 5.7L V8 (L05) is standard with the 5 speed manual (MM5) or the 4 speed automatic (MX0); the 1994 guide adds the 6.5L V8 turbo diesel (L56), which its technical guide pairs with the 4L80-E automatic (MT1). The 1993 kit says the all-steel top replaced the removable fiberglass top of the pre-1992 models; pages 21–40 of the 1993 kit file reprint the 1992 book and are not cited for 1993. NICB's 1992 and 1994 VIN manuals count the Chevrolet Blazers and GMC Jimmys in their truck line notes. Seat trim codes, paint color numbers and special equipment (SEO) codes are not listed here.

Codes

Engines

Code Description Years Models/Notes Confidence
L05 Engine, 5.7L V8, electronic fuel injection 1992–1994 standard; the 1994 option line prints L0S ⛭ GM Heritage — 1992 Chevrolet Blazer, p.14 · 1993 Chevrolet Blazer, p.9 · 1994 Chevrolet Blazer, p.16 confirmed
L56 Engine, diesel, 6.5L V8, turbo 1994 optional; includes front bumper guards; requires FE9 or NG1 emissions; not with BYP ⛭ GM Heritage — 1994 Chevrolet Blazer, p.9 confirmed

Transmissions

Code Description Years Models/Notes Confidence
M30 Transmission, 4L60-E, 4 speed automatic, electronic 1993 the technical guide prints it beside MX0 as the gearbox behind the L05; the 1994 technical guide prints M301 (p.16, p.18), so 1994 is left out ⛭ GM Heritage — 1993 Chevrolet Blazer, p.18 confirmed
MG5 Transmission, 5 speed manual, overdrive 1993–1994 the technical guides print it beside MM5 as the 5LM60 gearbox; the C/K GMT400 doc reads it from GM lists as 'manual, 5 speed, New Venture Gear' ⛭ GM Heritage — 1993 Chevrolet Blazer, p.18 · 1994 Chevrolet Blazer, p.16 confirmed
MM5 Transmission, manual, 5 speed, overdrive 1992–1994 standard; the 1992 powertrain page names the 5LM60 gearbox ⛭ GM Heritage — 1992 Chevrolet Blazer, p.15 · 1993 Chevrolet Blazer, p.10 · 1994 Chevrolet Blazer, p.10 confirmed
MT1 Transmission, 4L80-E, 4 speed automatic, electronic 1994 the technical guide prints it beside MX0 as the heavy duty gearbox behind the L56 diesel ⛭ GM Heritage — 1994 Chevrolet Blazer, p.16 confirmed
MX0 Transmission, 4 speed automatic, overdrive 1992–1994 required with Z82; electronically controlled from 1993; the kit pages print MXO ⛭ GM Heritage — 1992 Chevrolet Blazer, p.15 · 1993 Chevrolet Blazer, p.10 · 1994 Chevrolet Blazer, p.10 confirmed

Axles

Code Description Years Models/Notes Confidence
G80 Axle, rear, Positraction 1992–1994 the kits print it as the locking differential; the 1993 technical guide prints G8O ⛭ GM Heritage — 1992 Chevrolet Blazer, p.14 · 1993 Chevrolet Blazer, p.16 · 1994 Chevrolet Blazer, p.9 confirmed
GQ1 Axle, rear, standard ratio 1993 listed under the rear axles at no charge; the 1993 power team chart prints GO1 ⛭ GM Heritage — 1993 Chevrolet Blazer, p.9 confirmed
GT4 Axle, rear, 3.73 ratio 1993–1994 the 1992 book prints the 3.42 and 3.73 ratios without codes ⛭ GM Heritage — 1993 Chevrolet Blazer, p.18 · 1994 Chevrolet Blazer, p.9 confirmed
GU6 Axle, rear, 3.42 ratio 1993–1994 the 1993 order guide lists 3.42 as the standard rear axle ratio ⛭ GM Heritage — 1993 Chevrolet Blazer, p.18 · 1994 Chevrolet Blazer, p.9 confirmed

Packages & Trims

Code Description Years Models/Notes Confidence
BYP Sales package, sport equipment 1992–1994 the kits print the sport appearance package: ZY2 two-tone paint, dark argent (1992) or gunmetal gray (1993–1994) grille, bumpers and wheel flares, black mirrors, sport decals and cast aluminum wheels; requires PEG K5A4 and ZY2 (1993–1994) ⛭ GM Heritage — 1992 Chevrolet Blazer, p.15 · 1993 Chevrolet Blazer, p.10 · 1994 Chevrolet Blazer, p.6 confirmed
NZZ Sales package, skid plate, off road sport 1992–1994 shields for the front differential, transfer case, engine and fuel tank; included with Z71; the 1994 order guide (p.10) prints the code without its wording, and the 1994 technical guide line prints NZX ⛭ GM Heritage — 1992 Chevrolet Blazer, p.15 · 1993 Chevrolet Blazer, p.10 · 1994 Chevrolet Blazer, p.10 confirmed
YE9 Convenience package, comfort and decor level 3 1992–1994 the kits print it as the Silverado trim level (Cheyenne is the standard trim) ⛭ GM Heritage — 1992 Chevrolet Blazer, p.15 · 1993 Chevrolet Blazer, p.9 · 1994 Chevrolet Blazer, p.6 confirmed
Z71 Chassis package, off-road 1992 includes NZZ skid plates and 46 mm high pressure gas shocks; requires QIX or QIY tires; the 1993 pages print 771 and 271 and the 1994 pages 271, so those years are left out ⛭ GM Heritage — 1992 Chevrolet Blazer, p.14 confirmed
ZP6 Sales package, combination rear window wiper and rear window defogger 1992–1994 includes C25 intermittent wiper and washer; the 1993 option line prints 2PG and the 1993 technical guide ZP, so 1993 cites the C25 line, which prints ZP6 only in its cross-reference ⛭ GM Heritage — 1992 Chevrolet Blazer, p.15 · 1993 Chevrolet Blazer, p.10 · 1994 Chevrolet Blazer, p.18 confirmed
ZQ2 Convenience package, power door locks and power windows for side doors 1992–1994 requires YE9; the 1992 operating convenience package line has no code, so 1992 cites the D48 line, which prints ZQ2 only in its restriction; the 1993 order guide prints Z02; the 1994 option lines print 202 and Z02, so 1994 cites the PEG 3 contents list ⛭ GM Heritage — 1992 Chevrolet Blazer, p.14 · 1993 Chevrolet Blazer, p.16 · 1994 Chevrolet Blazer, p.8 confirmed
ZQ3 Convenience package, tilt steering wheel and speed control 1992–1994 Comfortilt steering wheel and electronic speed control; the 1992 driver's convenience package line has no legible code, so 1992 cites the trailering chart, which prints ZQ3 for cruise control and tilt wheel; the 1994 option lines print z03 and Za3, so 1994 cites the PEG 2 contents list ⛭ GM Heritage — 1992 Chevrolet Blazer, p.19 · 1993 Chevrolet Blazer, p.9 · 1994 Chevrolet Blazer, p.8 confirmed

Equipment

Code Description Years Models/Notes Confidence
A95 Seat, front bucket, high back, driver and passenger reclining 1992 no seat option line prints a code; the 1992 page prints A95 only in the AG9 restriction (high back reclining bucket seats) ⛭ GM Heritage — 1992 Chevrolet Blazer, p.15 confirmed
AG9 Adjuster, driver seat, power 1992–1994 6-way, driver's side only; the 1992 page requires the split bench or A95 bucket seats ⛭ GM Heritage — 1992 Chevrolet Blazer, p.15 · 1993 Chevrolet Blazer, p.16 · 1994 Chevrolet Blazer, p.18 confirmed
AJ1 Window, tinted deep, all except windshield and front doors, solar privacy glass 1992, 1994 the kits print deep tinted glass (rear window, 1992); the 1993 pages print AJT and Ad1, so 1993 is left out ⛭ GM Heritage — 1992 Chevrolet Blazer, p.14 · 1994 Chevrolet Blazer, p.9 confirmed
B71 Molding, wheel opening, colored 1992–1994 the kits print color-keyed wheel flares; requires LT245 or LT265 tires; included with BYP (1993–1994); the 1993 order guide prints 871 ⛭ GM Heritage — 1992 Chevrolet Blazer, p.14 · 1993 Chevrolet Blazer, p.16 · 1994 Chevrolet Blazer, p.9 confirmed
C25 Wiper system, rear window 1992–1994 intermittent, with washer; included with ZP6; the 1993 order guide prints 025; the 1994 order guide (p.10) prints the code without its wording and the 1994 technical guide line prints 025 ⛭ GM Heritage — 1992 Chevrolet Blazer, p.15 · 1993 Chevrolet Blazer, p.16 · 1994 Chevrolet Blazer, p.10 confirmed
C60 HVAC system, front air conditioning 1992–1994 the 1992 page includes a 100 amp alternator ⛭ GM Heritage — 1992 Chevrolet Blazer, p.14 · 1993 Chevrolet Blazer, p.9 · 1994 Chevrolet Blazer, p.9 confirmed
D48 Mirror, outside, remote control, electric 1992–1994 below eye line, 6.5 x 9.0 inch, painted; requires ZQ2 and YE9; the 1993 order guide prints 048 ⛭ GM Heritage — 1992 Chevrolet Blazer, p.14 · 1993 Chevrolet Blazer, p.16 · 1994 Chevrolet Blazer, p.9 confirmed
D85 Stripe, body side lower accent 1992 the 1992 page prints striping; requires ZY1 or ZY2 paint; not with BYP ⛭ GM Heritage — 1992 Chevrolet Blazer, p.15 confirmed
DF2 Mirror, outside, left-hand and right-hand, camper style, stainless steel 1993–1994 requires PEG K5A1 or K5A2 ⛭ GM Heritage — 1993 Chevrolet Blazer, p.9 · 1994 Chevrolet Blazer, p.9 confirmed
E55 Body equipment, end gate 1994 the 1994 order guide prints it as the body code of the CK10516 model (the 1992–1993 pages give ZW9) ⛭ GM Heritage — 1994 Chevrolet Blazer, p.9 confirmed
F60 Spring, front, heavy duty 1992–1994 front torsion bars; the 1992 page includes heavy duty front and rear shocks; not with L56 (1994) ⛭ GM Heritage — 1992 Chevrolet Blazer, p.15 · 1993 Chevrolet Blazer, p.10 · 1994 Chevrolet Blazer, p.10 confirmed
KC4 Cooling system, engine oil 1992–1994 engine oil cooler; included with Z82 (1992–1993); requires MM5 and L05 (1994); the 1992 option line runs the code into its restriction text (KC4Incl), so 1992 cites the trailering page that describes RPO KC4; the 1993 order guide prints KCA ⛭ GM Heritage — 1992 Chevrolet Blazer, p.20 · 1993 Chevrolet Blazer, p.16 · 1994 Chevrolet Blazer, p.9 confirmed
KNP Transmission, heavy duty cooling system 1994 the 1994 order guide prints a heavy duty auxiliary transmission cooler; requires MX0 ⛭ GM Heritage — 1994 Chevrolet Blazer, p.9 confirmed
P06 Wheel, trim discs 1992–1994 the kits print rally wheel trim (trim rings and hub caps); included with YE9; not with PF4; the 1993 order guide (p.10) prints the code without its wording and the 1993 technical guide prints РОБ ⛭ GM Heritage — 1992 Chevrolet Blazer, p.15 · 1993 Chevrolet Blazer, p.10 · 1994 Chevrolet Blazer, p.10 confirmed
PF4 Wheel, 16 x 7, aluminum cast 1992–1994 includes a 16 x 6.5 steel spare wheel; included with BYP; the 1994 order guide prints PFA ⛭ GM Heritage — 1992 Chevrolet Blazer, p.15 · 1993 Chevrolet Blazer, p.10 · 1994 Chevrolet Blazer, p.18 confirmed
QBN Tire, all, LT245/75R16/C BW R/PE ST TBL OOR 1992–1994 the kits give the on-off road steel belted radial blackwall tire ⛭ GM Heritage — 1992 Chevrolet Blazer, p.15 · 1993 Chevrolet Blazer, p.16 · 1994 Chevrolet Blazer, p.10 confirmed
QBX Tire, all, LT245/75R16/C WOL R/PE ST TBL OOR 1992–1994 the kits give the on-off road steel belted radial white outline lettered tire; not with BYP (1993) ⛭ GM Heritage — 1992 Chevrolet Blazer, p.15 · 1993 Chevrolet Blazer, p.16 · 1994 Chevrolet Blazer, p.10 confirmed
QIT Tire, all, LT245/75R16-C BW R/PE SBR ALS 1992–1994 the kits give the all season steel belted radial blackwall tire; standard in 1994 ⛭ GM Heritage — 1992 Chevrolet Blazer, p.15 · 1993 Chevrolet Blazer, p.16 · 1994 Chevrolet Blazer, p.18 confirmed
QIX Tire, all, LT265/75R16-C BW R/PE SBR OOR 1992–1993 the kits give the on-off road steel belted radial blackwall tire; the 1994 pages print OIX, so 1994 is left out ⛭ GM Heritage — 1992 Chevrolet Blazer, p.15 · 1993 Chevrolet Blazer, p.16 confirmed
QIY Tire, all, LT265/75R16-C WOL R/PE SBR OOR 1992–1994 the kits give the on-off road steel belted radial white outline lettered tire; not with BYP (1993) ⛭ GM Heritage — 1992 Chevrolet Blazer, p.15 · 1993 Chevrolet Blazer, p.16 · 1994 Chevrolet Blazer, p.18 confirmed
QJV Tire, all, LT225/75R16-C BW SBR ALS 1992–1993 the kits give the all season steel belted radial blackwall tire, standard in 1992 and requiring the Cheyenne trim in 1993; no GM list prints QJV; the 1993 order guide prints OJV ⛭ GM Heritage — 1992 Chevrolet Blazer, p.15 · 1993 Chevrolet Blazer, p.16 confirmed
U16 Tachometer, engine 1992–1994 mounted in the instrument cluster ⛭ GM Heritage — 1992 Chevrolet Blazer, p.15 · 1993 Chevrolet Blazer, p.16 · 1994 Chevrolet Blazer, p.10 confirmed
UL5 Radio, delete 1992–1994 only with PEG K5A1 (1993–1994); the 1993 order guide prints ULS ⛭ GM Heritage — 1992 Chevrolet Blazer, p.14 · 1993 Chevrolet Blazer, p.16 · 1994 Chevrolet Blazer, p.10 confirmed
UM6 Radio, AM/FM stereo, seek/scan, cassette, clock, ETR 1992–1994 the kits print a stereo cassette tape and digital clock; the GM lists add auto reverse to the cassette (the Tahoe and Suburban GMT400 docs' wording); requires YE9; the 1993 and 1994 option lines print UMS and UMG, so those years cite the PEG 3 contents lists ⛭ GM Heritage — 1992 Chevrolet Blazer, p.14 · 1993 Chevrolet Blazer, p.8 · 1994 Chevrolet Blazer, p.8 confirmed
UM7 Radio, AM/FM stereo, seek/scan, clock, ETR 1992–1993 includes a mast antenna; included with YE9; the 1994 standard equipment summary lists this radio as standard with no code ⛭ GM Heritage — 1992 Chevrolet Blazer, p.14 · 1993 Chevrolet Blazer, p.16 confirmed
UX1 Radio, AM/FM stereo, seek/scan, cassette, search and repeat, graphic equalizer, clock, ETR 1992–1994 the kits print AM stereo and FM stereo; requires YE9 (1992); the 1993 order guide prints UXI and the 1994 order guide UxI ⛭ GM Heritage — 1992 Chevrolet Blazer, p.14 · 1993 Chevrolet Blazer, p.16 · 1994 Chevrolet Blazer, p.18 confirmed
V02 Radiator and transmission oil cooler, heavy duty 1992–1993 requires MX0; included with Z82; the kit pages print VO2 and Vo2; the 1994 guide lists V08 and KNP instead ⛭ GM Heritage — 1992 Chevrolet Blazer, p.14 · 1993 Chevrolet Blazer, p.16 confirmed
V10 Provisions, cold climate 1992–1994 the kits print the cold climate package: engine block heater, anti-freeze protection to -32 F and special insulation; requires L05 (1994); the 1994 option line prints v10 ⛭ GM Heritage — 1992 Chevrolet Blazer, p.14 · 1993 Chevrolet Blazer, p.9 · 1994 Chevrolet Blazer, p.9 confirmed
V22 Grille, chrome radiator 1993–1994 the kits print the appearance package: chrome grille, composite halogen headlamps and dual horns; included with YE9 ⛭ GM Heritage — 1993 Chevrolet Blazer, p.9 · 1994 Chevrolet Blazer, p.9 confirmed
V54 Luggage carrier, roof, painted 1992–1994 roof mounted; painted black (1993) ⛭ GM Heritage — 1992 Chevrolet Blazer, p.14 · 1993 Chevrolet Blazer, p.9 · 1994 Chevrolet Blazer, p.9 confirmed
VK3 License plate, front mounting package 1992–1994 front license plate bracket ⛭ GM Heritage — 1992 Chevrolet Blazer, p.14 · 1993 Chevrolet Blazer, p.9 · 1994 Chevrolet Blazer, p.9 confirmed
Z82 Trailer provisions, special equipment, heavy duty 1992–1994 the kits print the heavy duty trailering special: weight distributing hitch platform, 7-wire harness, and V02 and KC4 (1993) or V08 with the L05 (1994); requires MX0 ⛭ GM Heritage — 1992 Chevrolet Blazer, p.15 · 1993 Chevrolet Blazer, p.10 · 1994 Chevrolet Blazer, p.10 confirmed
ZW9 Body code, standard 1993 the 1993 order guide prints 'BODY CODE: Standard'. 1992 and 1994 not claimed: the 1992 kit prints ZW9 only inside the model number CK10516/ZW9, and the 1994 technical guide prints it only as 'STD., ZW9' in the brakes chart (its order guide gives E55 instead). ⛭ GM Heritage — 1993 Chevrolet Blazer, p.9 confirmed

Paint

Code Description Years Models/Notes Confidence
ZY1 Color combination, solid 1992–1994 standard; not with BYP (1994) ⛭ GM Heritage — 1992 Chevrolet Blazer, p.14 · 1993 Chevrolet Blazer, p.16 · 1994 Chevrolet Blazer, p.9 confirmed
ZY2 Color combination, two tone 1992–1994 the kits print conventional two-tone; required with BYP ⛭ GM Heritage — 1992 Chevrolet Blazer, p.14 · 1993 Chevrolet Blazer, p.16 · 1994 Chevrolet Blazer, p.9 confirmed
ZY3 Color combination, special two-tone 1992 includes decal striping; the 1993 kit says it was cancelled as an interim 1992 change ⛭ GM Heritage — 1992 Chevrolet Blazer, p.14 confirmed
ZY4 Color combination, deluxe two tone 1992–1994 not with BYP (1993–1994) ⛭ GM Heritage — 1992 Chevrolet Blazer, p.14 · 1993 Chevrolet Blazer, p.11 · 1994 Chevrolet Blazer, p.11 confirmed

Internal / Process

Code Description Years Models/Notes Confidence
FE9 Certification, emission, federal 1994 internal code ⛭ GM Heritage — 1994 Chevrolet Blazer, p.9 confirmed
NA5 Emission system, federal 1993 internal code the 1993 power team page prints NAS; the C/K GMT400 doc's 1998 list reads it as 'federal, Tier 0' ⛭ GM Heritage — 1993 Chevrolet Blazer, p.9 confirmed
NA6 Emission system, high altitude 1993–1994 internal code ⛭ GM Heritage — 1993 Chevrolet Blazer, p.9 · 1994 Chevrolet Blazer, p.9 confirmed
NB8 Emission override, California system 1994 internal code the 1994 guides print a California or New York State emission override, requiring FE9 or NA6 ⛭ GM Heritage — 1994 Chevrolet Blazer, p.9 confirmed
NC7 Emission override, federal system 1994 internal code the 1994 guides print a federal or high altitude emission override, requiring NG1 or YF5 ⛭ GM Heritage — 1994 Chevrolet Blazer, p.9 confirmed
NG1 Certification, emission, geographically restricted registration 1994 internal code the 1994 guides print New York State emission requirements ⛭ GM Heritage — 1994 Chevrolet Blazer, p.9 confirmed
YF5 Emission certificate, California 1993–1994 internal code ⛭ GM Heritage — 1993 Chevrolet Blazer, p.9 · 1994 Chevrolet Blazer, p.9 confirmed

Sources

Factory documents (T1)

  • [HK] chevrolet/1992-Chevrolet-Blazer.txt — 1992 K Blazer book (models, powertrains, wheels and tires, cooling, options pages 14–15, color pages 16–18, trailering pages 19–20)
  • [HK] chevrolet/1993-Chevrolet-Blazer.txt — 1993 K Blazer order guide (pages 5–14) and technical guide (pages 15–18); pages 21–40 reprint the 1992 book and are not cited
  • [HK] chevrolet/1994-Chevrolet-Blazer.txt — 1994 K Blazer order guide (pages 5–14) and technical guide (pages 15–19)
  • NICB VIN manuals: docs/reference/nicb/nicb1992-gm.txt p.89; docs/reference/nicb/nicb1994-gm.txt p.85

Other sources