Product Description
Genuine Timken extension housing seal designed for automatic transmissions. Direct replacement specified for GMC C15 model years 1975–1978. Listed manufacturer part number SX-7921. Interchange references include Sealed Power C387 and Clevite 63-60.
Product Specifications
BrandTimken
TypeAutomatic Transmission Extension Housing Seal
Manufacturer Part NumberSX-7921 1978 1977 1976 1975 Automatic
Manufacturer Warranty1 Year
Interchange Part NumberSealed Power C387 Clevite 63-60
Placement on VehicleTransmission > Gaskets Sealing Systems
Compatible MakeGMC
Compatible ModelC15
Compatible Year1978 1977 1976 1975
Core ChargeFree - No Core Charge
Fitment TypeDirect Replacement
Bundle Description1 pc Genuine Timken Automatic Transmission Extension Housing Seal
UPCDoes not apply
Country of OriginUnited States
Manufacturer Warranty1 Year
Interchange Part NumberSealed Power C387; Clevite 63-60
Fitment TypeDirect Replacement
Bundle Description1 pc Genuine Timken Automatic Transmission Extension Housing Seal
Core ChargeFree - No Core Charge
Country of OriginUnited States
UPCDoes not apply
Vehicle Fitment
Always compare the part number and listed specifications with your original part before ordering.