Fel-Pro® 35445 - Lower Engine Coolant Thermostat Seal

A gasket fills the space between two mating surfaces, preventing fluids, gases, and pressure from leaking on vehicle components, including the engine, fuel system, cooling system, drivetrain, and exhaust system. If the gasket is damaged or worn-out, fluids can leak through the gaps between two surfaces and lead to the failure of vital systems, exhaust gas can cause noise and allow hazardous CO into the cabin, or cylinder compression can leak causing poor engine performance. In fact, a tremendous amount of chemical and mechanical engineering and manufacturing expertise is needed to make the gaskets that can withstand the demands of today’s engines. And Fel-Pro is an undisputable leader when it comes to sealing solutions. Designed to meet OEM specifications, Fel-Pro gaskets represent the ideal engineering and chemistry for any application.

Fel-Pro uses the latest technologies across every gasket repair category. For example, the company uses multi-layer steel (MLS) head gasket design, the leading-edge technology in sealing today’s lightweight engine castings. This design includes exclusive PermaTorque® MLS with LaserWeld™ technology, which is the perfect sealing solution for almost all MLS equipped engines and delivers a more reliable seal for engine repair. As for Fel-Pro leak repair sealing technology, it is focused on the development of problem-solving products like PermaDryPlus® rigid carrier gaskets. These gaskets provide superior sealing performance even on problematic applications. Thanks to incorporating the latest technologies and design innovations into every gasket, Fel-Pro is the brand professional repair technicians count on.