Enginetech Lower Gasket Set for 01-07 Chevrolet/GMC 8.1.0L/496WHAT'S INCLUDED:
• Lower Gasket Set
• Rear main seal
WHAT'S NOT INCLUDED:
• Valve stem seals
• Custom gaskets or seals beyond OEM fitment
| Year | Make | Model | Engine | Notes |
| 2001-2002 | Chevrolet | Express 3500 | 8.1L/496 | OHV V8 | Vin "G" | Vortec | |
| 2001-2002 | Chevrolet | B7 | 8.1L/496 | OHV V8 | Vin "G" | Vortec | |
| 2001-2002 | Chevrolet | C3500HD | 8.1L/496 | OHV V8 | Vin "G" | Vortec | |
| 2001-2006 | Chevrolet | Silverado 3500 | 8.1L/496 | OHV V8 | Vin "G" | Vortec | |
| 2001-2006 | Chevrolet | Silverado 2500 HD | 8.1L/496 | OHV V8 | Vin "G" | Vortec | |
| 2001-2006 | Chevrolet | Suburban 2500 | 8.1L/496 | OHV V8 | Vin "G" | Vortec | |
| 2001-2002 | GMC | Savana 3500 | 8.1L/496 | OHV V8 | Vin "G" | Vortec | |
| 2001-2006 | GMC | Sierra 2500 HD | 8.1L/496 | OHV V8 | Vin "G" | Vortec | |
| 2001-2006 | GMC | Sierra 3500 | 8.1L/496 | OHV V8 | Vin "G" | Vortec | |
| 2001-2006 | GMC | Yukon XL 2500 | 8.1L/496 | OHV V8 | Vin "G" | Vortec | |
| 2003-2006 | Chevrolet | Avalanche 2500 | 8.1L/496 | OHV V8 | Vin "G" | Vortec | |
| 2007 | Chevrolet | Silverado 2500 HD Classic | 8.1L/496 | OHV V8 | Vin "G" | Vortec | |
| 2007 | Chevrolet | Silverado 3500 Classic | 8.1L/496 | OHV V8 | Vin "G" | Vortec | |
| 2007 | GMC | Sierra 2500 HD Classic | 8.1L/496 | OHV V8 | Vin "G" | Vortec | |
| 2007 | GMC | Sierra 3500 Classic | 8.1L/496 | OHV V8 | Vin "G" | Vortec | |