2004-2010 GM 6.6L Duramax Thermostat Housing Cover - 119000540 Year Applicable:2004.5-2006 -Return line washers are sold

-Return line washers are sold separately (DPE602)

Innovative Filter-to-Housing Interface and Minimal Hardware for Fast & Easy Installation

Constructed with 100% polyurethane on top and bottom

Sealed Housing Utilizes Factory Air Inlet and Auxiliary Air Inlet

MAXIMUM PERFORMANCE

2004-2010 GM 6.6L Duramax Thermostat Housing Cover - 119000540 Year Applicable:2004.5-2006 -Return line washers are soldRust 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