| Fitment Notes: With Module Code TCU |
| 2003 | Chevrolet Silverado 2500 HD | Base | | 6.0L V8 GAS | |
| 2003 | Chevrolet Silverado 2500 HD | WT | | 6.0L V8 GAS | |
| 2003 | Chevrolet Silverado 2500 HD | LT | | 8.1L V8 GAS | |
| 2003 | Chevrolet Silverado 2500 HD | Base | | 8.1L V8 GAS | |
| 2003 | Chevrolet Silverado 2500 HD | LT | | 6.0L V8 GAS | |
| 2003 | Chevrolet Silverado 2500 HD | LS | | 6.0L V8 GAS | |
| 2003 | Chevrolet Silverado 2500 HD | LS | | 8.1L V8 GAS | |
| 2002 | Chevrolet Silverado 2500 HD | LT | Extended Cab Pickup | 6.0L V8 CNG | 78.0" Bed |
| 2002 | Chevrolet Silverado 2500 HD | LT | Extended Cab Pickup | 8.1L V8 GAS | 78.0" Bed |
| 2002 | Chevrolet Silverado 2500 HD | LS | Extended Cab Pickup | 8.1L V8 GAS | 78.0" Bed |
| 2002 | Chevrolet Silverado 2500 HD | Base | Crew Cab Pickup | 6.0L V8 CNG | 78.0" Bed |
| 2002 | Chevrolet Silverado 2500 HD | LS | Crew Cab Pickup | 6.0L V8 BI-FUEL | 78.0" Bed |
| 2002 | Chevrolet Silverado 2500 HD | Base | Crew Cab Pickup | 6.0L V8 BI-FUEL | 78.0" Bed |
| 2002 | Chevrolet Silverado 2500 HD | LT | Crew Cab Pickup | 6.0L V8 GAS | 78.0" Bed |
| 2002 | Chevrolet Silverado 2500 HD | Base | Extended Cab Pickup | 8.1L V8 GAS | 78.0" Bed |
| 2002 | Chevrolet Silverado 2500 HD | Base | Crew Cab Pickup | 8.1L V8 GAS | 78.0" Bed |
| 2002 | Chevrolet Silverado 2500 HD | LT | Crew Cab Pickup | 6.0L V8 BI-FUEL | 78.0" Bed |
| 2002 | Chevrolet Silverado 2500 HD | LS | Crew Cab Pickup | 6.0L V8 GAS | 78.0" Bed |
| 2002 | Chevrolet Silverado 2500 HD | LS | Crew Cab Pickup | 6.0L V8 CNG | 78.0" Bed |
| 2002 | Chevrolet Silverado 2500 HD | Base | Extended Cab Pickup | 6.0L V8 CNG | 78.0" Bed |
| 2002 | Chevrolet Silverado 2500 HD | LT | Extended Cab Pickup | 6.0L V8 GAS | 78.0" Bed |
| 2002 | Chevrolet Silverado 2500 HD | LS | Extended Cab Pickup | 6.0L V8 BI-FUEL | 78.0" Bed |
| 2002 | Chevrolet Silverado 2500 HD | Base | Extended Cab Pickup | 6.0L V8 BI-FUEL | 78.0" Bed |
| 2002 | Chevrolet Silverado 2500 HD | LS | Crew Cab Pickup | 8.1L V8 GAS | 78.0" Bed |
| 2002 | Chevrolet Silverado 2500 HD | LS | Extended Cab Pickup | 6.0L V8 GAS | 78.0" Bed |
| 2002 | Chevrolet Silverado 2500 HD | LT | Crew Cab Pickup | 8.1L V8 GAS | 78.0" Bed |
| 2002 | Chevrolet Silverado 2500 HD | Base | Extended Cab Pickup | 6.0L V8 GAS | 78.0" Bed |
| 2002 | Chevrolet Silverado 2500 HD | LT | Crew Cab Pickup | 6.0L V8 CNG | 78.0" Bed |
| 2002 | Chevrolet Silverado 2500 HD | LS | Extended Cab Pickup | 6.0L V8 CNG | 78.0" Bed |
| 2002 | Chevrolet Silverado 2500 HD | Base | Crew Cab Pickup | 6.0L V8 GAS | 78.0" Bed |
| 2002 | Chevrolet Silverado 2500 HD | LT | Extended Cab Pickup | 6.0L V8 BI-FUEL | 78.0" Bed |