Product Description
New National front transmission oil pump seal, part number SX-3VTN. Designed as a direct replacement for the front position on automatic transmissions specified for GMC C25 trucks from 1975 through 1978. Interchangeable with several cross-reference numbers listed by the manufacturer.
Product Specifications
BrandNational
TypeAutomatic Transmission Oil Pump Seal
Manufacturer Part NumberSX-3VTN 1978 1977 1976 1975 Automatic
Manufacturer Warranty1 Year
Interchange Part NumberTimken SKF C825 VEMO King 78-42
Placement on VehicleTransmission > Gaskets Sealing Systems
Compatible MakeGMC
Compatible ModelC25
Compatible Year1978 1977 1976 1975
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
Placement on VehicleTransmission > Gaskets Sealing Systems
Core ChargeFree - No Core Charge
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.