GMC C3500 Cooling System Gaskets and Seals
This page brings together cooling system gaskets and seals for the GMC C3500, covering model years 1979 through 2002. The range includes water pump gaskets, thermostat housing gaskets, coolant outlet gaskets, and more — all indexed by year for straightforward browsing. Pick your GMC C3500's year above to narrow the list to cooling system gaskets and seals with confirmed fitment. Every part shown is checked against our vehicle data.
Cometic C5347-039 Water Pump Gasket for Chevy Big Block Mark IV Gen V/VI
Cometic C5299-018 Water Pump Gasket for Chevy Small Block V8 & 4.3L V6
Cometic C5415-064 Exhaust Manifold Gasket Set for Chevy Small Block V8
Cometic C15191 Water Outlet Gasket - Aluminum Carrier with Rubber Insert, 2-Bolt
Cometic C5346-094 Water Outlet Gasket for Chevrolet Big Block V8
Cometic C5299-032 Water Pump Gasket for Chevy 4.3L V6 & Gen-1 Small Block V8
Cometic C5538-094 Water Outlet Gasket for Chevrolet Gen-1 Small Block V8
Cometic C15011-032 Water Pump Backing Plate Gasket for Chevy Small Block V8
Cometic C5347-018 Water Pump Mounting Gasket for Chevy Big Block V8
Cometic C5538AFM Chevrolet Gen-1 Small Block V8 Water Outlet Gasket
- 1
- 2
What's here for your GMC C3500
- Engine Water Pump Gaskets
- Engine Coolant Thermostat Housing Gaskets
- Engine Coolant Thermostat Gaskets
- Engine Coolant Outlet Gaskets
- Engine Coolant Thermostat Seals
- Engine Water Pump Mounting Gaskets
- Engine Coolant Water Inlet Gaskets
The widest selection here comes from Victor, MAHLE, Cometic, and Fel-Pro, with individual gaskets as well as multi-piece kits and OE-replacement style parts across the range. Other categories GMC C3500 owners shop for: GMC C3500 Coolant Hoses and Pipes, GMC C3500 Exterior Lights and GMC C3500 Springs and Suspension Parts, or browse all GMC C3500 parts and accessories.