Product Description
National front transmission oil pump seal intended as a direct replacement for Mercury Medalist automatic transmissions from 1956–1958. New condition. Listed manufacturer part number: SX-4JMY (1956–1958). Interchanges with Timken, SKF, C365, VEMO, King, and 35-31 as provided by the seller.
Product Specifications
BrandNational
TypeAutomatic Transmission Oil Pump Seal
Manufacturer Part NumberSX-4JMY 1958 1957 1956 Automatic
Manufacturer Warranty1 Year
Interchange Part NumberTimken SKF C365 VEMO King 35-31
Placement on VehicleTransmission > Gaskets Sealing Systems
Compatible MakeMercury
Compatible ModelMedalist
Compatible Year1958 1957 1956
Core ChargeFree - No Core Charge
PositionFront
Fitment TypeDirect Replacement
Bundle Description1 pc Genuine National Automatic Transmission Oil Pump Seal
UPCDoes not apply
Country of OriginUnited States
Manufacturer Warranty1 Year
Core ChargeFree - No Core Charge
Placement on VehicleTransmission > Gaskets Sealing Systems
Fitment TypeDirect Replacement
Bundle Description1 pc Genuine National Automatic Transmission Oil Pump Seal
Country of OriginUnited States
UPCDoes not apply
Vehicle Fitment
Always compare the part number and listed specifications with your original part before ordering.