The Automatic Transmission Extension Housing Seal is a high-quality product manufactured by National Seal/Bearing. This seal, with manufacturer part number 415988, is designed to provide a secure and leak-free connection between the transmission and the housing, ensuring optimal performance and longevity of the vehicle's transmission system. Ideal for car and truck maintenance, this seal is a reliable component that helps to prevent costly repairs and ensure smooth transmission operation.* 20% Restocking fee applies on all returns unless item sent out from our company is incorrect. Any other reason is not acceptable or applicable, as is sales. NO EXCEPTIONS** 20% Restocking fee applies on all returns unless item sent out from our company is incorrect. Any other reason is not acceptable or applicable, as is sales. NO EXCEPTIONS** 20% Restocking fee applies on all returns unless item sent out from our company is incorrect. Any other reason is not acceptable or applicable, as is sales. NO EXCEPTIONS*