Product Description
National automatic transmission extension housing seal, manufacturer part number SX-HMG4. Designed as a direct replacement for GMC PM153 automatic transmissions from 1955 through 1959. Interchange references include Timken/SKF C841 and VEMO/King 50-32. Sold as a single piece.
Product Specifications
BrandNational
TypeAutomatic Transmission Extension Housing Seal
Manufacturer Part NumberSX-HMG4 1959 1958 1957 1956 1955
Manufacturer Warranty1 Year
Interchange Part NumberTimken SKF C841 VEMO King 50-32
Placement on VehicleTransmission > Gaskets Sealing Systems
Compatible MakeGMC
Compatible ModelPM153
Compatible Year1959 1958 1957 1956 1955
Core ChargeFree - No Core Charge
Fitment TypeDirect Replacement
Bundle Description1 pc National Extension Housing Seal
UPCDoes not apply
Country of OriginUnited States
Manufacturer Part NumberSX-HMG4 1959 1958 1957 1956 1955
Manufacturer Warranty1 Year
Interchange Part NumberTimken SKF C841; VEMO King 50-32
Placement on VehicleTransmission > Gaskets Sealing Systems
Core ChargeFree - No Core Charge
Fitment TypeDirect Replacement
Bundle Description1 pc National Extension Housing Seal
Country of OriginUnited States
UPCDoes not apply
Vehicle Fitment
Always compare the part number and listed specifications with your original part before ordering.