GENERAL SPECIFICATIONS & VIN IDENTIFICATION
| Model | Body Code | Engine (1) | Engine ID | Fuel System | Ignition System |
|---|---|---|---|---|---|
| Astro & Safari | M, L | 4.3L (LB4) | Z | TBI | Magnetic |
| 4.3L (L35) | W | CPI | Magnetic | ||
| Blazer & Yukon | K | 5.7L (LO5) | K | TBI | Magnetic |
| 6.2L (LH6) | (2) C | Diesel | N/A | ||
| 6.2L (LL4) | (3) J | Diesel | N/A | ||
| Lumina APV, Silhouette Trans Sport | U | 3.1L (LG6) | D | TBI | Magnetic |
| 3.8L (L27) | L | PFI | C(3)I | ||
| Parcel/Delivery Commercial Van Motorhome | P | 4.3L (LB4) | Z | TBI | Magnetic |
| 5.7L (LO5) | K | TBI | Magnetic | ||
| 6.2L (LL4) | (3) J | Diesel | N/A | ||
| 7.4L (L19) | N | TBI | Magnetic | ||
| Pickup (C/K 10/35) & Sierra | C, K | 4.3L (LB4) | Z | TBI | Magnetic |
| 5.0L (LO3) | H | TBI | Magnetic | ||
| 5.7L (LO5) | K | TBI | Magnetic | ||
| 5.7L (LO5) | K | CNG (4) | Magnetic | ||
| 6.2L (LH6) | (2) C | Diesel | N/A | ||
| 6.2L (LL4) | (3) J | Diesel | N/A | ||
| 6.5L (L65) | F | TurboDiesel | N/A | ||
| 7.4L (L19) | N | TBI | Magnetic | ||
| Suburban | C, K | 5.0L (LO3) | H | TBI | Magnetic |
| 5.7L (LO5) | K | TBI | Magnetic | ||
| 6.2L (LH6) | (2) C | Diesel | N/A | ||
| 6.2L (LL4) | (3) J | Diesel | N/A | ||
| 7.4L (L19) | N | TBI | Magnetic | ||
| S/T Series: Blazer, Bravada, Jimmy, Pickup, Sonoma, Syclone, Typhoon | S, T | 2.5L (L38) | (5) A | TBI | Magnetic |
| 2.8L (LL2) | R | TBI | Magnetic | ||
| 4.3L (LB4) | Z | TBI | Magnetic | ||
| 4.3L (LB4) | Z | Turbo PFI | Magnetic | ||
| 4.3L (L35) | W | CPI | Magnetic | ||
| Van (10/35), Rally Van, Vandura | G | 4.3L (LB4) | Z | TBI | Magnetic |
| 5.7L (LO5) | K | TBI | Magnetic | ||
| 6.2L (LH6) | (2) C | Diesel | N/A | ||
| 6.2L (LL4) | (3) J | Diesel | N/A | ||
| 7.4L (L19) | N | TBI | Magnetic | ||
| (1) Engine code is stamped on engine block. See ENGINE CODE LOCATION . (2) Light Duty emissions. (3) Heavy Duty emissions. (4) Compressed natural gas, limited information available. (5) 2WD only. | |||||
| (1) | Engine code is stamped on engine block. See ENGINE CODE LOCATION . |
| (2) | Light Duty emissions. |
| (3) | Heavy Duty emissions. |
| (4) | Compressed natural gas, limited information available. |
| (5) | 2WD only. |
1992 MODEL APPLICATIONS
VIN CODE EXPLANATION
Numbers preceding the explanations in the legend below refer to the sequence of characters as listed on VIN identification label. See VIN example below.
VIN Code Identification (Part 1 of 2). Scheme 1
VIN Code Identification (Part 2 of 2). Scheme 2
MODEL YEAR VIN CODE APPLICATION
| VIN Code | Model Year |
|---|---|
| L | 1990 |
| M | 1991 |
| N | 1992 |
MODEL YEAR VIN CODE APPLICATION
ENGINE CODE LOCATION
Note. See ENGINE in 1992 MODEL COVERAGE table for engine code prefix (RPO).
LB4, LO3, LO5, L19 & L35
On front of engine block, on right side above timing gear cover OR on left side of engine block, on engine-to-transmission mating flange.
L38
On left side of engine block, at rear below cylinder head OR on left side of engine block, on engine-to-transmission mating flange.
LL2
On front of engine block, on left side above timing gear cover OR on right side of engine block above engine mount.
LH6, LL4 & L65
On front of engine block, right side of timing gear housing casting OR on top of engine block, near left cylinder head-to-engine block mating surface, at front OR on left side of engine block, on engine-to-transmission mating flange.
LG6 & L27
On left side of engine block, on engine-to-transmission mating flange.
See also:
• ENGINE CODE LOCATION