2004-2010 GM 6.6L Duramax Thermostat Housing Cover - 119000540 Year Applicable:2004.5-2006 Sealed Housing Utilizes Factory Air

Sealed Housing Utilizes Factory Air Inlet and Auxiliary Air Inlet

- 63/74 SX-E (up to 625hp) Mild Performance

-Return line washers are sold separately (DPE602)

Oiled OE replacement high performance filter will outflow stock paper filter

Brand: Bosch

2004-2010 GM 6.6L Duramax Thermostat Housing Cover - 119000540 Year Applicable:2004.5-2006 Sealed Housing Utilizes Factory AirRust 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