Have a truck engine that doesn't seem to heat up? A lot of times this problem is caused by worn out thermostats. Replace those failing thermostats and seals with this kit designed to fit 2011 to 2016 Duramax 6.6 Liter V8 vehicles.

The front thermostat is mounted in the forward position of the thermostat housing and is identified by its symmetrical shape. It opens at 185 degrees, allowing coolant to flow to the radiator.

The rear position thermostat is located toward the fire wall. It's identified by its offset design and has has bleeder valves built in. It opens at 180 degrees, allowing coolant to flow to the radiator.

Kit Includes

• Rear Thermostat
• Front Thermostat
• Oil Fill Tube Seal

Details:

• Engine Manufacturer: Duramax
• Liter: 6.6 Liter
• Engine Designation: LML
• Engine Years: 2011-2016

Applications:

• 2011-2016 Silverado/Sierra 2500HD/3500HD LML