Constructed from quality materials, the Cometic C15059 Thermostat Housing Seal provides the engine in your 3.9L Diesel 4BT with a superior replacement gasket. Some of the best on the market, Cometic gaskets provide a seal that exceeds OE specs. With a rich history of producing quality gaskets, Cometic is the go-to gasket for engine builders worldwide. Cometic manufactures all of their gaskets in America with materials made in the USA.
Features:
- Meets or Exceeds OEM Specifications
- Made in America from American Materials
- Trusted by Engine Builders Worldwide
Disclaimer: XDP is in no way affiliated with Cummins or any of its subsidiaries or related companies, and that Cummins has not authorized the sale of any of XDP's parts, and has not tested or approved any of XDP’s parts for use in genuine Cummins brand products.