Product Description
National Extension Housing Seal Kit (MPN: SX-AY11) designed as a direct replacement for automatic transmission extension housings on Pontiac Catalina models from 1972 through 1981. New kit supplied by National. Interchange references include Timken, SKF, C712, VEMO, and King.
Product Specifications
BrandNational
TypeAutomatic Transmission Extension Housing Seal Kit
Manufacturer Part NumberSX-AY11 1981 1980 1979 1978 1977 1976
Manufacturer Warranty1 Year
Interchange Part NumberTimken SKF C712 VEMO King 40-60
Placement on VehicleTransmission > Service Kits
Compatible MakePontiac
Compatible ModelCatalina
Compatible Year1981 1980 1979 1978 1977 1976 1975 1974 1973 1972
Core ChargeFree - No Core Charge
Fitment TypeDirect Replacement
Bundle Description1 pc National Extension Housing Seal Kit
UPCDoes not apply
Country of OriginUnited States
Manufacturer Warranty1 Year
Core ChargeFree - No Core Charge
Fitment TypeDirect Replacement
Bundle Description1 pc National Extension Housing Seal Kit
Country of OriginUnited States