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., Includes:Sinister Diesel "Welded" Water Pump, O-Ring, Thermostat Gasket.
This Part Fits:
| Year |
Make |
Model |
Submodel |
| 2001-2005 |
Chevrolet |
Silverado 2500 HD |
Base |
| 2001-2005 |
Chevrolet |
Silverado 2500 HD |
LS |
| 2001-2005 |
Chevrolet |
Silverado 2500 HD |
LT |
| 2004-2005 |
Chevrolet |
Silverado 2500 HD |
WT |
| 2001-2005 |
Chevrolet |
Silverado 3500 |
Base |
| 2001-2005 |
Chevrolet |
Silverado 3500 |
LS |
| 2001-2005 |
Chevrolet |
Silverado 3500 |
LT |
| 2004 |
Chevrolet |
Silverado 3500 |
WT |
| 2002-2005 |
GMC |
Sierra 2500 HD |
Base |
| 2001-2002 |
GMC |
Sierra 2500 HD |
SL |
| 2001-2005 |
GMC |
Sierra 2500 HD |
SLE |
| 2001-2005 |
GMC |
Sierra 2500 HD |
SLT |
| 2003-2005 |
GMC |
Sierra 2500 HD |
WT |
| 2002-2005 |
GMC |
Sierra 3500 |
Base |
| 2001-2002 |
GMC |
Sierra 3500 |
SL |
| 2001-2005 |
GMC |
Sierra 3500 |
SLE |
| 2001-2005 |
GMC |
Sierra 3500 |
SLT |
| 2004-2005 |
GMC |
Sierra 3500 |
WT |
