GMC K15/K1500 Pickup Transmission Gaskets and Seals
Transmission gaskets and seals for the GMC K15/K1500 Pickup cover model years 1966–1974, with options for both automatic and manual drivetrain applications. The range includes oil pan gaskets, extension housing seals, shift shaft seals, speedometer pinion seals, and complete gasket sets available individually or as kits. Choose your model year above and this page keeps only the transmission gaskets and seals that fit your GMC K15/K1500 Pickup. Each listing is matched to our vehicle fitment data before it appears here.
What's here for your GMC K15/K1500 Pickup
- Automatic Transmission Seal
- Automatic Transmission Oil Pan Gasket
- Manual Transmission Seal
- Manual Transmission Gasket Set
- Manual Transmission Shift Shaft Seal
- Automatic Transmission Gasket Set
- Automatic Transmission Speedometer Pinion Seal
- Automatic Transmission Extension Housing Seal
The widest selection here comes from ATP, SKF, Pioneer Automotive, and Victor, spanning individual seals and complete kit solutions for both automatic and manual transmission types. Other categories GMC K15/K1500 Pickup owners shop for: GMC K15/K1500 Pickup Wheels, GMC K15/K1500 Pickup Tailgates and Parts and GMC K15/K1500 Pickup Springs and Suspension Parts, or browse all GMC K15/K1500 Pickup parts and accessories.