General Motors Introduction - Trucks
| MODEL | BODY CODE (1) | ENGINE (2) | ENGINE ID | FUEL SYSTEM | IGNITION SYSTEM |
|---|
| Astro & Safari | L, M | 4.3L (L35) | W | CSFI | Magnetic (3) |
| Aztek | A, B | 3.4L (LA1) | E | SFI | DIS Magnetic |
| Blazer, Bravada & Jimmy | S, T | 4.3L (L35) | W | CSFI | Magnetic (3) |
| Cab & Chassis | C, K | 6.5L (L65) | F | Turbo Diesel | N/A |
| — | — | 8.1L (L18) | G | SFI | DIS Magnetic |
| Chevy Express & Savana | G | 4.3L (L35) | W | CSFI | Magnetic (3) |
| — | — | 5.0L (L30) | M | CSFI | Magnetic (3) |
| — | — | 5.7L (L31) | R | CSFI | Magnetic (3) |
| — | — | 6.5L (L65) | F | Turbo Diesel | N/A |
| — | — | 8.1L (L18) | G | SFI | DIS Magnetic |
| Cutaway | G | 5.7L (L31) | R | CSFI | Magnetic (3) |
| — | — | 6.5L (L65) | F | Turbo Diesel | N/A |
| — | — | 8.1L (L18) | G | SFI | DIS Magnetic |
| Montana, Silhouette & Venture | U | 3.4L (LA1) | E | SFI | DIS Magnetic |
| RV Cutaway | G | 5.7L (L31) | R | CSFI | Magnetic (3) |
| — | — | 6.5L (L65) | F | Turbo Diesel | N/A |
| — | — | 8.1L (L18) | G | SFI | DIS Magnetic |
| Sierra & Silverado | C, K | 4.3L (L35) | W | CSFI | Magnetic (3) |
| — | — | 4.8L (LR4) | V | SFI | DIS Magnetic |
| — | — | 5.3L (LM7) | T | SFI | DIS Magnetic |
| — | — | 6.0L (LQ4) | U | SFI | DIS Magnetic |
| — | — | 6.6L (LB7) | 1 | Turbo Diesel | N/A |
| — | — | 8.1L (L18) | G | SFI | DIS Magnetic |
| Sonoma & S10 Pickup | S, T | 2.2L (LN2) | 4 | SFI | DIS Magnetic |
| — | — | 2.2L (L43) | 5 | SFI (4) | DIS Magnetic |
| — | — | 4.3L (L35) | W | CSFI | Magnetic (3) |
| Suburban | C, K | 5.3L (LM7) | T | SFI | DIS Magnetic |
| — | — | 6.0L (LQ4) | U | SFI | DIS Magnetic |
| — | — | 8.1L (L18) | G | SFI | DIS Magnetic |
| Tahoe | C, K | 4.8L (LR4) | V | SFI | DIS Magnetic |
| — | — | 5.3L (LM7) | T | SFI | DIS Magnetic |
| Tracker | E, J | 2.0L (L34) | C | MPI | DIS Magnetic |
| — | — | 2.5L (LE8) | L | SFI | DIS Magnetic |
| Yukon | C, K | 4.8L (LR4) | V | SFI | DIS Magnetic |
| — | — | 5.3L (LM7) | T | SFI | DIS Magnetic |
| — | — | 6.0L (LQ4) | U | SFI | DIS Magnetic |
| Yukon XL | C, K | 5.3L (LM7) | T | SFI | DIS Magnetic |
| — | — | 6.0L (LQ4) | U | SFI | DIS Magnetic |
| — | — | 8.1L (L18) | G | SFI | DIS Magnetic |
| (1) Series designation. (2) Engine code is stamped on engine block. See ENGINE CODE LOCATION . (3) Uses Enhanced Electronic Ignition, utilizing a camshaft and crankshaft position sensor. (4) Dual fuel vehicle. |
| (3) | Uses Enhanced Electronic Ignition, utilizing a camshaft and crankshaft position sensor. |
Scheme 1
MODEL/YEAR VIN CODE APPLICATIONS
| VIN Code | Model Year |
|---|
| X | 1999 |
| Y | 2000 |
| 1 | 2001 |
MODEL/YEAR VIN CODE APPLICATIONS
ENGINE CODE LOCATION
- LA1 On left side of engine block, above starter.
- LB7, L29 & L65 On rear left side of engine block, on engine-to-transmission mating flange.
- LE8 On lower left front of engine block.
- LF6 & L35 On rear left side of engine block, on engine-to-transmission mating flange, OR on rear right side of engine block, below intake manifold, OR on right front top of engine block, below cylinder head.
- LM7, LQ4, LR4, L18, L30 & L31 On rear left side of engine block, below left-side cylinder head.
- LN2 & L43 On top front of rocker cover, OR on rear left side of engine block, above starter.
- L34 On lower left side of engine block, on engine-to-transmission mating flange.
