MODEL COVERAGE
| MODEL | BODY CODE (1) | ENGINE (RPO CODE) (2) | ENGINE ID | FUEL SYSTEM | IGNITION SYSTEM |
|---|---|---|---|---|---|
| Astro & Safari | L, M | 4.3L (L35) | X | SFI | DIS |
| Avalanche | C, K | 5.3L (LM7) | T | SFI | DIS |
| — | — | 8.1L (L18) | G | SFI | DIS |
| Aztek | B | 3.4L (LA1) | E | SFI | DIS |
| Blazer & Jimmy Canadian | S, T | 4.3L (LU3) | X | CSFI | DIS |
| Bravada | S, T | 4.2L (LL8) | S | SFI | DIS |
| Cab & Chassis | C | 6.0L (LQQ4) | U | SFI | DIS |
| — | — | 6.6L (LB7) | 1 | Turbo Diesel | N/A |
| — | — | 8.1L (L18) | G | SFI | DIS |
| Chevy Express & Savana | G | 4.3L (LU3) | X | CSFI | Magnetic (3) |
| — | — | 4.8L (LR4) | V | SFI | DIS |
| — | — | 5.3L (LM7) | T | SFI | Magnetic (3) |
| — | — | 6.0L (LQ4) | U | SFI | DIS |
| Cutaway | G | 6.0L (LQ4) | U | SFI | DIS |
| — | — | 6.5L (L65) | F | Turbo Diesel | N/A |
| Envoy | S, T | 4.2L (LL8) | S | SFI | DIS |
| Envoy XL | S, T | 4.2L (LL8) | S | SFI | DIS |
| — | — | 5.3L (LM4) | P | SFI | DIS |
| Escalade | C | 5.3L (LM7) | T | SFI | DIS |
| — | K | 6.0L (LQ9) | N | SFI | DIS |
| Escalade ESV & EXT | K | 6.0L (LQ9) | N | SFI | DIS |
| Montana & Venture | U, X | 3.4L (LA1) | E | SFI | DIS |
| H2 | — | 6.0L (LQ4) | U | SFI | DIS |
| Rendezvous | A | 3.4L (LA1) | E | SFI | DIS |
| RV Cutaway | G | 6.0L (LQ4) | U | SFI | DIS |
| Sierra & Silverado | C, K | 4.3L (LU3) | X | CSFI | Magnetic (3) |
| — | — | 4.8L (LR4) | V | SFI | DIS |
| — | — | 5.3L (LM7) | T | SFI | DIS |
| — | — | 6.0L (LQ4) | U | SFI (4) | DIS |
| — | — | 6.0L (LQ4/KL6) | U | SFI (5) | DIS |
| — | — | 6.0L (LQ4/KL8) | U | SFI (6) | DIS |
| — | — | 6.6L (LB7) | 1 | Turbo Diesel | N/A |
| — | — | 8.1L (L18) | G | SFI | DIS |
| Silhouette | X | 3.4L (LA1) | E | SFI | DIS |
| Sonoma & S10 Pickup | S | 2.2L (L43) | 5 | SFI (7) | DIS |
| — | S, T | 4.3L (LU3) | X | CSFI | Magnetic (3) |
| SSR | — | 5.3L (LM4) | P | SFI | DIS |
| Suburban | C, K | 5.3L (LM7) | T | SFI | DIS |
| — | — | 5.3L (L59) | Z | SFI (7) | DIS |
| — | — | 6.0L (LQ4) | U | SFI | DIS |
| — | — | 8.1L (L18) | G | SFI | DIS |
| Tahoe | C, K | 4.8L (LR4) | V | SFI | DIS |
| — | — | 5.3L (LM7) | T | SFI | DIS |
| — | — | 5.3L (L59) | Z | SFI (7) | DIS |
| Tracker | J & E | 2.0L (L34) | C | MFI | DIS |
| — | — | 2.5L (LE8) | 4 | SFI | DIS |
| TrailBlazer | S & T | 4.2L (LL8) | S | SFI | DIS |
| — | — | 5.3L (LM4) | P | SFI | DIS |
| Vue | — | 2.2L (L61) | D | SFI | DIS |
| — | — | 3.0L (L81) | B | SFI | DIS |
| Yukon | — | 4.8L (LR4) | V | SFI | DIS |
| — | — | 5.3L (LM7) | T | SFI | DIS |
| — | — | 5.3L (L59) | Z | SFI (7) | DIS |
| — | — | 6.0L (LQ4) | U | SFI | DIS |
| Yukon XL | C, K | 5.3L (LM7) | T | SFI | DIS |
| — | — | 5.3L (L59) | Z | SFI (7) | DIS |
| — | — | 6.0L (LQ4) | U | SFI | DIS |
| — | — | 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 (EEI), utilizing a camshaft and crankshaft position sensor. (4) Gasoline vehicle. (5) Bi-fuel vehicle. (6) Compressed Natural Gas (CNG) vehicle. (7) Flex-fuel vehicle. | |||||
| (1) | Series designation. |
| (2) | Engine code is stamped on engine block. See ENGINE CODE LOCATION . |
| (3) | Uses Enhanced Electronic Ignition (EEI), utilizing a camshaft and crankshaft position sensor. |
| (4) | Gasoline vehicle. |
| (5) | Bi-fuel vehicle. |
| (6) | Compressed Natural Gas (CNG) vehicle. |
| (7) | Flex-fuel vehicle. |
2003 MODEL COVERAGE
2.0L
The engine ID number is located on the lower left engine block area at the bellhousing (1). (Scheme 32)
Scheme 32
2.2L
The Vehicle Identification Number (VIN) Derivative is located on the valve rocker arm cover or etched on the left side of the engine block above the starter. (Scheme 33)
Scheme 33
2.5L
The engine ID is located on the lower front or the engine block. (Scheme 34)
Scheme 34
3.4L
The primary location of the Engine ID for the 3400 (LA1) engine is on top of the right rocker arm cover or front or right oil pan rail. The primary location (1) of the VIN derivative and the secondary location (2) of the VIN derivative for the 3400 (LA1) engine is above the starter motor on the engine block. (Scheme 35)
Scheme 35
4.2L
The VIN Derivative is located on the left side rear of the engine block (1). (Scheme 37)
Scheme 36
Scheme 37
4.3L
The Vehicle Identification Number (VIN ) Derivative is located on the left side rear of the engine block or on the right side rear and typically is a nine digit number stamped or laser etched onto the engine at the vehicle assembly plant. (Scheme 38)
Scheme 38
Scheme 39
Scheme 40
Scheme 41
VEHICLE SAFETY CERTIFICATION LABEL
The vehicle certification label certifies that the vehicle conforms to all applicable Federal Motor Vehicle Safety Standards. (Scheme 42) The vehicle certification label is permanently located on the edge of the driver's door or on the driver-side door pillar.
