Free shipping on all orders

1968-1974 GMC K35/K3500 Extension Housing Seal Kit SX-6315

$43.05
In stock
✓ Free Shipping

Timken 2-piece extension housing seal kit (SX-6315) for automatic transmissions. Direct replacement for 1968–1974 GMC K35/K3500 pickups. Interchanges with Sealed Power C643 and Clevite 83-6.

Price shown is the online purchase price. Free shipping · 30-day return policy

BrandTimken
MPN / Part NumberSX-6315 1974 1973 1972 1971 1970 1969
OE NumberSealed Power C643 Clevite 83-6
Part TypeAutomatic Transmission Extension Housing Seal
PositionTransmission > Gaskets Sealing Systems
TransmissionAutomatic

Product Description

Two-piece Timken extension housing seal kit (Manufacturer Part Number SX-6315) intended as a direct replacement for automatic transmission extension housings on GMC K35 / K3500 pickup trucks from 1968 through 1974. Interchange part numbers listed: Sealed Power C643 and Clevite 83-6. New condition; made in the United States.

Product Specifications

BrandTimken
TypeAutomatic Transmission Extension Housing Seal
Manufacturer Part NumberSX-6315 1974 1973 1972 1971 1970 1969
Manufacturer Warranty1 Year
Interchange Part NumberSealed Power C643 Clevite 83-6
Placement on VehicleTransmission > Gaskets Sealing Systems
Compatible MakeGMC
Compatible ModelK35/K3500 Pickup
Compatible Year1974 1973 1972 1971 1970 1969 1968
Core ChargeFree - No Core Charge
Fitment TypeDirect Replacement
Bundle Description2 pc Timken Extension Housing Seal Kit
UPCDoes not apply
Country of OriginUnited States
Manufacturer Warranty1 Year
Core ChargeFree - No Core Charge
Fitment TypeDirect Replacement
Bundle Description2 pc Timken Extension Housing Seal Kit
Country of OriginUnited States
UPCDoes not apply

Vehicle Fitment

YearMakeModelEngineTrimTransmission
1968GMCK35/K3500 PickupAutomatic
1969GMCK35/K3500 PickupAutomatic
1970GMCK35/K3500 PickupAutomatic
1971GMCK35/K3500 PickupAutomatic
1972GMCK35/K3500 PickupAutomatic
1973GMCK35/K3500 PickupAutomatic
1974GMCK35/K3500 PickupAutomatic

Always compare the part number and listed specifications with your original part before ordering.