Product Description
National extension housing seal designed as a direct replacement for automatic transmissions in GMC 300 vehicles from 1957 through 1959. Manufacturer part number SX-PGM1. Interchangeable with Timken, SKF, C429, VEMO, and King 14-19 reference numbers. Sold as a single piece.
Product Specifications
BrandNational
TypeAutomatic Transmission Extension Housing Seal
Manufacturer Part NumberSX-PGM1 1959 1958 1957 Automatic
Manufacturer Warranty1 Year
Interchange Part NumberTimken SKF C429 VEMO King 14-19
Placement on VehicleTransmission > Gaskets Sealing Systems
Compatible MakeGMC
Compatible Model300
Compatible Year1959 1958 1957
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 C429 VEMO King 14-19
Fitment TypeDirect Replacement
Bundle Description1 pc National Extension Housing Seal
Core ChargeFree - No Core Charge
Country of OriginUnited States
UPCDoes not apply
Vehicle Fitment
| Year | Make | Model | Engine | Trim | Transmission |
|---|
| 1957 | GMC | 300 | | | |
| 1958 | GMC | 300 | | | |
| 1959 | GMC | 300 | | | |
Always compare the part number and listed specifications with your original part before ordering.