GMC K15 Transmission Gaskets and Seals
This page brings together transmission gaskets and seals for the GMC K15, covering model years 1975–1978. The range spans both automatic and manual transmission applications, with individual gaskets and seals sold as single units for straightforward replacement. Select your year above and we'll show only the transmission gaskets and seals that fit your GMC K15. Fitment is checked against our vehicle data for every part listed.
What's here for your GMC K15
- Automatic Transmission Oil Pan Gaskets
- Automatic Transmission Seals
- Manual Transmission Shift Shaft Seals
- Automatic Transmission Extension Housing Seals
- Manual Transmission Seals
- Automatic Transmission Speedometer Pinion Seals
- Automatic Transmission Oil Pump Seals
The widest selection here comes from ATP, SKF, Victor, and MAHLE, giving GMC K15 owners a broad set of options across the various sealing points in both automatic and manual transmissions. Other categories GMC K15 owners shop for: GMC K15 Steering Wheels, GMC K15 Exhaust and Tail Pipes and GMC K15 Doors and Door Parts, or browse all GMC K15 parts and accessories.