Merchant Automotive Duramax Engine Coolant Thermostat Kit | 2001-2010 GM Duramax 6.6L

If you are experiencing your Duromax diesel truck not heating up or overheating, you could be experiencing a stuck thermostat. Over time, thermostats can stick open or closed, causing heating or cooling issues on your 2001-2010 Duramax 6.6L V8 truck. This thermostat kit will include a front and rear thermostat along with the oil fill tube seal and upper radiator pipe seal to complete the install.

The front thermostat on a Duramax Diesel engine 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 on a Duramax Diesel engine is located toward the fire wall. It's identified by its offset design and 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
• Upper Radiator Pipe Seal