Enginetech EHC402 is a new bare cylinder head for 2001-2004 Chevrolet, GMC engines (6.6L 403ci V8). Sold individually. No valves or springs included - new valve seats and guides installed.
Important Notes
- Early '04 with injectors inside the valve cover. New bare head without valves or springs. With injector sleeves. Casting #408/487/872
Product Specifications
| Part Number | EHC402 |
| Brand | Enginetech |
| Condition | New Bare Cylinder Head |
| Includes | New valve seats and guides |
| Excludes | Valves, springs, keepers, retainers |
| Quantity | Sold individually (1 head per order) |
| Year Range | 2001-2004 |
| Makes | Chevrolet, GMC |
| Engine | 6.6L 403ci V8 |
| Casting Number | 408/487/872 |
| Weight | 32.5 lbs |
| Country of Origin | CN |
| UPC | 707473640978 |
Vehicle Fitment
- 2001-2004 Chevrolet Silverado 2500 HD 6.6L 403ci V8 OHV [VIN:1] Turbocharged
- 2001-2004 Chevrolet Silverado 3500 6.6L 403ci V8 OHV [VIN:1] Turbocharged
- 2001-2004 GMC Sierra 2500 HD 6.6L 403ci V8 [VIN:1]
- 2001-2004 GMC Sierra 3500 6.6L 403ci V8 OHV [VIN:1] Turbocharged
- 2003-2004 Chevrolet C4500 Kodiak 6.6L 403ci V8 OHV [VIN:1] Turbocharged
- 2003-2004 Chevrolet C5500 Kodiak 6.6L 403ci V8 OHV [VIN:1] Turbocharged
- 2003-2004 GMC C4500 Topkick 6.6L 403ci V8 OHV [VIN:1] Turbocharged
- 2003-2004 GMC C5500 Topkick 6.6L 403ci V8 OHV [VIN:1] Turbocharged
- 2004 Chevrolet C4500 Kodiak 6.6L 403ci V8 OHV [VIN:2] Turbocharged
- 2004 Chevrolet C5500 Kodiak 6.6L 403ci V8 OHV [VIN:1] Turbocharged
- 2004 Chevrolet C5500 Kodiak 6.6L 403ci V8 OHV [VIN:2] Turbocharged
- 2004 Chevrolet Silverado 2500 HD 6.6L 403ci V8 OHV [VIN:2] Turbocharged
- 2004 Chevrolet Silverado 3500 6.6L 403ci V8 OHV [VIN:2] Turbocharged
- 2004 GMC C4500 Topkick 6.6L 403ci V8 OHV [VIN:2] Turbocharged
- 2004 GMC C5500 Topkick 6.6L 403ci V8 OHV [VIN:2] Turbocharged
- 2004 GMC Sierra 2500 HD 6.6L 403ci V8 [VIN:2]
- 2004 GMC Sierra 3500 6.6L 403ci V8 OHV [VIN:2] Turbocharged
Enginetech cylinder heads are available as new castings and as remanufactured bare heads, giving engine builders the choice that fits their application. Bare heads include new valve seats and guides installed, making them ideal for situations where the original head has cracked or failed but the valves, springs, keepers, and retainers are still serviceable - simply transfer the existing hardware onto the new or remanufactured casting. Each Enginetech cylinder head is engineered to meet or exceed original equipment specifications for chamber volume, port dimensions, guide diameter, and valve seat geometry. Always verify the part number against your engine's casting number, production date, VIN code, and any application-specific qualifiers before installation - multiple head configurations often exist for the same engine family.
