Sinister Diesel 01-05 GM Duramax 6.6L LB7/LLY Welded Water Pump

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
Sinister Diesel "Welded" Water Pump for 2001-2005 Duramax LB7 / LLY
2001-2005 Chevy/GMC 2500;3500 6.6L

Fitment:
Chevrolet Silverado 2500 HD Base 2001
Chevrolet Silverado 2500 HD Base 2002
Chevrolet Silverado 2500 HD Base 2003
Chevrolet Silverado 2500 HD Base 2004
Chevrolet Silverado 2500 HD Base 2005
Chevrolet Silverado 2500 HD LS 2001
Chevrolet Silverado 2500 HD LS 2002
Chevrolet Silverado 2500 HD LS 2003
Chevrolet Silverado 2500 HD LS 2004
Chevrolet Silverado 2500 HD LS 2005
Chevrolet Silverado 2500 HD LT 2001
Chevrolet Silverado 2500 HD LT 2002
Chevrolet Silverado 2500 HD LT 2003
Chevrolet Silverado 2500 HD LT 2004
Chevrolet Silverado 2500 HD LT 2005
Chevrolet Silverado 2500 HD WT 2004
Chevrolet Silverado 2500 HD WT 2005
Chevrolet Silverado 3500 Base 2001
Chevrolet Silverado 3500 Base 2002
Chevrolet Silverado 3500 Base 2003
Chevrolet Silverado 3500 Base 2004
Chevrolet Silverado 3500 Base 2005
Chevrolet Silverado 3500 LS 2001
Chevrolet Silverado 3500 LS 2002
Chevrolet Silverado 3500 LS 2003
Chevrolet Silverado 3500 LS 2004
Chevrolet Silverado 3500 LS 2005
Chevrolet Silverado 3500 LT 2001
Chevrolet Silverado 3500 LT 2002
Chevrolet Silverado 3500 LT 2003
Chevrolet Silverado 3500 LT 2004
Chevrolet Silverado 3500 LT 2005
Chevrolet Silverado 3500 WT 2004
GMC Sierra 2500 HD Base 2002
GMC Sierra 2500 HD Base 2003
GMC Sierra 2500 HD Base 2004
GMC Sierra 2500 HD Base 2005
GMC Sierra 2500 HD SL 2001
GMC Sierra 2500 HD SL 2002
GMC Sierra 2500 HD SLE 2001
GMC Sierra 2500 HD SLE 2002
GMC Sierra 2500 HD SLE 2003
GMC Sierra 2500 HD SLE 2004
GMC Sierra 2500 HD SLE 2005
GMC Sierra 2500 HD SLT 2001
GMC Sierra 2500 HD SLT 2002
GMC Sierra 2500 HD SLT 2003
GMC Sierra 2500 HD SLT 2004
GMC Sierra 2500 HD SLT 2005
GMC Sierra 2500 HD WT 2003
GMC Sierra 2500 HD WT 2004
GMC Sierra 2500 HD WT 2005
GMC Sierra 3500 Base 2002
GMC Sierra 3500 Base 2003
GMC Sierra 3500 Base 2004
GMC Sierra 3500 Base 2005
GMC Sierra 3500 SL 2001
GMC Sierra 3500 SL 2002
GMC Sierra 3500 SLE 2001
GMC Sierra 3500 SLE 2002
GMC Sierra 3500 SLE 2003
GMC Sierra 3500 SLE 2004
GMC Sierra 3500 SLE 2005
GMC Sierra 3500 SLT 2001
GMC Sierra 3500 SLT 2002
GMC Sierra 3500 SLT 2003
GMC Sierra 3500 SLT 2004
GMC Sierra 3500 SLT 2005
GMC Sierra 3500 WT 2004
GMC Sierra 3500 WT 2005