Product Description
Replacement extension housing seal for automatic transmissions, manufactured by National. Designed as a direct replacement for 1956–1958 Mercury Medalist applications. Manufacturer Part Number: SX-JTJN 1958 1957 1956 Automatic. Interchange references include Timken, SKF, C647, VEMO, and King 79-21. Sold as a single piece.
Product Specifications
BrandNational
TypeAutomatic Transmission Extension Housing Seal
Manufacturer Part NumberSX-JTJN 1958 1957 1956 Automatic
Manufacturer Warranty1 Year
Interchange Part NumberTimken SKF C647 VEMO King 79-21
Placement on VehicleTransmission > Gaskets Sealing Systems
Compatible MakeMercury
Compatible ModelMedalist
Compatible Year1958 1957 1956
Core ChargeFree - No Core Charge
Fitment TypeDirect Replacement
Bundle Description1 pc National Extension Housing Seal
UPCDoes not apply
Country of OriginUnited States
Manufacturer Warranty1 Year
Interchange Part NumberTimken; SKF; C647; VEMO; King 79-21
Placement on VehicleTransmission > Gaskets Sealing Systems
Core ChargeFree - No Core Charge
Fitment TypeDirect Replacement
Bundle Description1 pc National Extension Housing Seal
UPCDoes not apply
Country of OriginUnited States
Vehicle Fitment
Always compare the part number and listed specifications with your original part before ordering.