Fel-Pro Automatic Transmission Extension Housing Gaskets

Fel-Pro automatic transmission extension housing gaskets are precision-engineered sealing solutions trusted by professional technicians and serious DIYers alike. Backed by over a century of gasket manufacturing expertise, Fel-Pro designs each extension housing gasket to meet or exceed original equipment specifications — delivering consistent, leak-free performance across a wide range of domestic and import transmission applications.

Key Features:

• ATF-Resistant Materials: Engineered specifically to withstand automatic transmission fluid, extreme heat cycles, and the demanding operating conditions inside a transmission assembly
• Precision-Cut Profiles: Each gasket is manufactured to exact tolerances, ensuring a reliable mating surface between the transmission case and extension housing to eliminate gaps that lead to fluid leaks
• Application-Specific Engineering: Designed for the unique sealing requirements of specific transmission models and configurations — not generic, one-size-fits-all solutions
• OE-Quality Standards: Produced under strict quality controls to match or surpass factory sealing performance and long-term durability
• Broad Vehicle Coverage: An extensive product line spanning a comprehensive range of domestic and import vehicles, making Fel-Pro a go-to source for transmission service professionals
• Leak-Free Sealing Technology: Advanced construction prevents fluid loss and protects internal transmission components from contamination and premature wear

Whether you're performing a full transmission rebuild, replacing a worn seal during routine maintenance, or addressing an active fluid leak, Fel-Pro extension housing gaskets provide the fit, reliability, and long-term durability that both professionals and enthusiasts depend on. Fel-Pro's reputation as the #1 choice of professional engine builders extends through every gasket in their lineup — including these critical transmission sealing components.