Proper heat management from the cooling system is crucial on modified engines when you want trouble-free and reliable performance. The factory Duramax water pump is known to slip under load and can serious problems and serious repair bills on modified high-horsepower applications. This updated design is a drop-in replacement for the factory water pump and uses precision TIG welds to secure both the impeller and pump gear to the shaft.If your 2001-2005 Duramax powered truck is running a tuner, a bigger turbo, or bigger injectors, or if It's just time for routine maintenance, get peace of mind with the Sinister Diesel Welded Duramax Water Pump., Features:TIG welded on both Impeller and Gear for high strength and slip-free operation, Drop-in replacement for LB7/LLY factory water pump, Meets or exceeds OEM specificationsIncludes:Sinister Diesel "Welded" Water Pump, O-Ring, Thermostat Gasket
Specification
Sinister Diesel "Welded" Water Pump for 2001-2005 Duramax LB7 / LLY2001-2005 Chevy/GMC 2500;3500 6.6L
Distributor
Application Summary
2001-2005 Chevy/GMC 2500;3500 6.6LProp 65 Warning : Cancer and Reproductive Harm
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2001-2005 | Chevrolet | Silverado 2500 HD | LS |
| 2001-2005 | Chevrolet | Silverado 2500 HD | LT |
| 2001-2005 | Chevrolet | Silverado 3500 | Base |
| 2001-2005 | Chevrolet | Silverado 3500 | LS |
| 2001-2005 | Chevrolet | Silverado 3500 | LT |
| 2001-2005 | Chevrolet | Silverado 2500 HD | Base |
| 2001-2005 | GMC | Sierra 3500 | SLT |
| 2001-2005 | GMC | Sierra 2500 HD | SLE |
| 2001-2005 | GMC | Sierra 2500 HD | SLT |
| 2001-2005 | GMC | Sierra 3500 | SLE |
| 2002-2005 | GMC | Sierra 2500 HD | Base |
| 2002-2005 | GMC | Sierra 3500 | Base |
| 2003-2005 | Chevrolet | Silverado 2500 HD | WT |
| 2003-2005 | GMC | Sierra 2500 HD | WT |
| 2004-2005 | GMC | Sierra 3500 | WT |
| 2004 | Chevrolet | Silverado 3500 | WT |
| 2001-2002 | GMC | Sierra 3500 | SL |
| 2001-2002 | GMC | Sierra 2500 HD | SL |
