National® - Automatic Transmission Extension Housing Seal

Automatic Transmission Extension Housing Seal by National®. Width: 0.315". Inside Diameter: 1.732". Outside Diameter: 2.843". Housing Bore: 2.835". Don’t just repair a leak, prevent future problems with a National Oil Seal. This part is manufactured using exclusive National Dynamic Edge technology that generates a dynamic pumping action to keep harmful contaminants such as dirt, moisture, etc. out of the seal and other wheel-end components. 

Features

Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminants
A patent-pending National Dynamic Edge technology allows for maximum protection
Helps prevent premature bearing failure
Unmatched durability under the most grueling conditions
Constructed to meet OE configurations
Low swell in hydrocarbon fluids
Design type: spring loaded: multi-lip
Provides good low temperature capability
Temperature range: -40°F to 225°F: -40°C to 107°C
Delivers quality and reliable performance for every type of repair