GMC S15 Cooling System Gaskets and Seals
This page brings together cooling system gaskets and seals for the GMC S15, covering model years 1982 through 1990. The range includes gaskets and seals for water pumps, thermostat housings, coolant outlets, and related cooling circuit connections — available as individual pieces or as kits. Choose your model year above and this page keeps only the cooling system gaskets and seals that fit your GMC S15. Each listing is matched to our vehicle fitment data before it appears here.
Cometic C5299-018 Water Pump Gasket for Chevy Small Block V8 & 4.3L V6
Cometic C5299-060 Water Pump Gasket Chevy Small Block - 4.3L V6 V8
Cometic C5299-032 Water Pump Gasket for Chevy 4.3L V6 & Gen-1 Small Block V8
Cometic C5299AFM Water Pump Gasket for Chevy 4.3L V6 & Small Block V8
What's here for your GMC S15
- Engine water pump gaskets
- Engine coolant thermostat housing gaskets
- Engine coolant outlet gaskets
- Engine coolant thermostat gaskets and seals
- Engine water pump mounting gaskets
- Engine coolant water inlet gaskets
- Engine oil cooler gasket sets
The widest selection of cooling system gaskets and seals for the GMC S15 here comes from Victor, MAHLE, Fel-Pro, and Motorad, with OE-replacement gaskets and multi-piece kits represented across the range. Other categories GMC S15 owners shop for: GMC S15 Mirrors, GMC S15 Doors and Door Parts and GMC S15 Manual Transmission Parts, or browse all GMC S15 parts and accessories.