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 the pump gear to the shaft.If your 2006-2016 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.. Precision TIG welded on Gear Side for high strength and slip-free operation, Drop-in replacement for LBZ/LMM/LML factory water pump, Meets or exceeds OEM specifications. Sinister Diesel 06-10 GM Duramax 6.6L LBZ/LMM Welded Water Pump. Welded Water Pump for 2006-2016 Duramax LBZ / LMM / LML.. 2006-2010 Chevy/GMC 2500; 3500; 6.6L. Sinister Diesel Water Pump. Engine Water Pump. Water Pump

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