Sinister Diesel “Welded” Water Pump (SDWWP06) for 2006-2016 Duramax LBZ / LMM / LML

$389.99Purchase & earn 389 points!

Proper cooling is essential for reliable performance in modified engines. The factory Duramax water pump can slip under load, leading to serious issues in high-horsepower setups. The Sinister Diesel Welded Duramax Water Pump is a drop-in replacement featuring TIG-welded pump gear for improved durability. It’s ideal for 2006–2016 Duramax trucks with performance upgrades or those needing maintenance.

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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 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.

Additional information
Weight 8 lbs
Dimensions 8 × 8 × 5 in
Manufacturer

Fitment

Fitment

2016 Chevy/GMC 2500 6.6L

2016 Chevy/GMC 3500 6.6L

2015 Chevy/GMC 2500 6.6L

2015 Chevy/GMC 3500 6.6L

2014 Chevy/GMC 2500 6.6L

2014 Chevy/GMC 3500 6.6L

2013 Chevy/GMC 2500 6.6L

2013 Chevy/GMC 3500 6.6L

2012 Chevy/GMC 2500 6.6L

2012 Chevy/GMC 3500 6.6L

2011 Chevy/GMC 2500 6.6L

2011 Chevy/GMC 3500 6.6L

2010 Chevy/GMC 2500 6.6L

2010 Chevy/GMC 3500 6.6L

2009 Chevy/GMC 2500 6.6L

2009 Chevy/GMC 3500 6.6L

2008 Chevy/GMC 2500 6.6L

2008 Chevy/GMC 3500 6.6L

2007 Chevy/GMC 2500 6.6L

2007 Chevy/GMC 3500 6.6L

2006 Chevy/GMC 2500 6.6L

2006 Chevy/GMC 3500 6.6L

Features

Features

  • 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
  • 2 Year Warranty
Includes

Includes

  • Sinister Diesel “Welded” Water Pump
  • O-ring
  • Thermostat Gasket
About brand
Sinister Diesel builds performance and reliability parts for diesel trucks. The company focuses on cooling, durability, and proper fitment. Sinister Diesel performance parts support daily driving, towing, and work use. Sinister designs cooling systems, charge pipes, and fuel system components. These parts help manage heat and reduce stress on the engine. Better cooling supports consistent performance under load. Truck owners trust the brand for dependable upgrades. These parts perform well in real-world driving conditions.
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