Description

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:
2001ChevroletSilverado 2500 HDBase
2001ChevroletSilverado 2500 HDLS
2001ChevroletSilverado 2500 HDLT
2001ChevroletSilverado 3500Base
2001ChevroletSilverado 3500LS
2001ChevroletSilverado 3500LT
2001GMCSierra 2500 HDSL
2001GMCSierra 2500 HDSLE
2001GMCSierra 2500 HDSLT
2001GMCSierra 3500SL
2001GMCSierra 3500SLE
2001GMCSierra 3500SLT
2002ChevroletSilverado 2500 HDBase
2002ChevroletSilverado 2500 HDLS
2002ChevroletSilverado 2500 HDLT
2002ChevroletSilverado 3500Base
2002ChevroletSilverado 3500LS
2002ChevroletSilverado 3500LT
2002GMCSierra 2500 HDBase
2002GMCSierra 2500 HDSL
2002GMCSierra 2500 HDSLE
2002GMCSierra 2500 HDSLT
2002GMCSierra 3500Base
2002GMCSierra 3500SL
2002GMCSierra 3500SLE
2002GMCSierra 3500SLT
2003ChevroletSilverado 2500 HDBase
2003ChevroletSilverado 2500 HDLS
2003ChevroletSilverado 2500 HDLT
2003ChevroletSilverado 3500Base
2003ChevroletSilverado 3500LS
2003ChevroletSilverado 3500LT
2003GMCSierra 2500 HDBase
2003GMCSierra 2500 HDSLE
2003GMCSierra 2500 HDSLT
2003GMCSierra 2500 HDWT
2003GMCSierra 3500Base
2003GMCSierra 3500SLE
2003GMCSierra 3500SLT
2004ChevroletSilverado 2500 HDBase
2004ChevroletSilverado 2500 HDLS
2004ChevroletSilverado 2500 HDLT
2004ChevroletSilverado 2500 HDWT
2004ChevroletSilverado 3500Base
2004ChevroletSilverado 3500LS
2004ChevroletSilverado 3500LT
2004ChevroletSilverado 3500WT
2004GMCSierra 2500 HDBase
2004GMCSierra 2500 HDSLE
2004GMCSierra 2500 HDSLT
2004GMCSierra 2500 HDWT
2004GMCSierra 3500Base
2004GMCSierra 3500SLE
2004GMCSierra 3500SLT
2004GMCSierra 3500WT
2005ChevroletSilverado 2500 HDBase
2005ChevroletSilverado 2500 HDLS
2005ChevroletSilverado 2500 HDLT
2005ChevroletSilverado 2500 HDWT
2005ChevroletSilverado 3500Base
2005ChevroletSilverado 3500LS
2005ChevroletSilverado 3500LT
2005GMCSierra 2500 HDBase
2005GMCSierra 2500 HDSLE
2005GMCSierra 2500 HDSLT
2005GMCSierra 2500 HDWT
2005GMCSierra 3500Base
2005GMCSierra 3500SLE
2005GMCSierra 3500SLT
2005GMCSierra 3500WT