Sinister Diesel Welded Water Pump for 2006–2016 Duramax 6.6L LBZ/LMM/LML

Keep your cooling-system upgrade focused on a secure pump drive with the Sinister Diesel Welded Water Pump for 2006–2016 6.6L Duramax LBZ, LMM and LML engines. Precision TIG welds secure the pump gear to the shaft, addressing gear slippage under load.

Whether your truck runs a tuner, upgraded turbo or larger injectors, or you're replacing the pump during routine maintenance, this drop-in design replaces the factory water pump.

Key features

• Precision TIG-welded pump gear-to-shaft connection.
• Designed to address pump gear slippage under load.
• Drop-in replacement for the factory water pump.
• Suitable for maintenance and modified-engine applications.

Vehicle fitment

• 2006–2016 Chevrolet/GMC 2500 and 3500 trucks with the 6.6L Duramax diesel engine.
• Engine applications: LBZ, LMM and LML.

Confirm your model year and engine code before ordering.

What's included

• 1 Sinister Diesel welded water pump.
• O-ring.
• Thermostat gasket.