Product Description
New National transmission manual shaft seal, manufacturer part number SX-4AV2. Designed as a direct replacement for the automatic transmission on Chevrolet G30 Vans from 1970 through 1974. Interchange references include Timken/SKF C577, VEMO, and King 79-40.
Product Specifications
BrandNational
TypeAutomatic Transmission Manual Shaft Seal
Manufacturer Part NumberSX-4AV2 1974 1973 1972 1971 1970
Manufacturer Warranty1 Year
Interchange Part NumberTimken SKF C577 VEMO King 79-40
Placement on VehicleTransmission > Gaskets Sealing Systems
Compatible MakeChevrolet
Compatible ModelG30 Van
Compatible Year1974 1973 1972 1971 1970
Core ChargeFree - No Core Charge
Fitment TypeDirect Replacement
Bundle Description1 pc Genuine National Automatic Transmission Manual Shaft Seal
UPCDoes not apply
Country of OriginUnited States
Manufacturer Warranty1 Year
Interchange Part NumberTimken SKF C577 VEMO King 79-40
Placement on VehicleTransmission > Gaskets Sealing Systems
Core ChargeFree - No Core Charge
Fitment TypeDirect Replacement
Bundle Description1 pc Genuine National Automatic Transmission Manual Shaft Seal
Country of OriginUnited States
Vehicle Fitment
Always compare the part number and listed specifications with your original part before ordering.