01-04 Duramax LB7 PPE Stainless Steel Thermostat Housing Finish:Raw is the top recommended upgrade

is the top recommended upgrade for your 2001-2010 Chevy/GMC Duramax diesel

If the #4 cam bearing spins even slightly in the block it can cause immediate turbo damage

Direct bolt-on replacement to factory exhaust manifolds

Buyer is responsible for return shipping

01-04 Duramax LB7 PPE Stainless Steel Thermostat Housing Finish:Raw is the top recommended upgradeRust is the enemy of your coolant system. Upgrade your rusty OEM thermostat housing cover with a Cast 304 Stainless Steel Thermostat Housing Cover from PPE. This direct bolt on replacement adds style and function to your engine bay. The stainless steel material is corrosion and rust resistant. We've engineered an easy way of bleeding off air from your coolant system by adding our Black Anodized Aluminum Bleeder Screw with a built in air channel and a