Chevrolet Trailblazer EXT Cooling System Gaskets and Seals
Cooling system gaskets and seals for the Chevrolet Trailblazer EXT cover the 2002–2009 model years and include water pump gaskets, coolant outlet gaskets, thermostat housing gaskets, and more. Select your year above and we'll show only the cooling system gaskets and seals that fit your Chevrolet Trailblazer EXT. Fitment is checked against our vehicle data for every part listed.
Cometic C15036 GM Gen-4 LS Small Block Thermostat Housing Gasket
Representative Photo, actual item may vary
Cometic C15033 GM Gen-3/4 Small Block V8 Water Pump Backing O-Ring
Cometic C15034 GM Gen III/IV LS Small Block V8 Coolant Bypass O-Ring Seals
MAHLE K31629 Victor Reinz Engine Water Pump Backing Plate Gasket
What's here for your Chevrolet Trailblazer EXT
- Engine Water Pump Gaskets
- Engine Coolant Outlet Gaskets
- Engine Coolant Thermostat Housing Gaskets
- Engine Oil Cooler Gaskets
- Engine Coolant Water Inlet Gaskets
The widest selection here comes from MAHLE, Fel-Pro, Victor, and Cometic, each offering gaskets across the cooling system positions listed above. Other categories Chevrolet Trailblazer EXT owners shop for: Chevrolet Trailblazer EXT Springs and Suspension Parts, Chevrolet Trailblazer EXT Valve Train Parts and Chevrolet Trailblazer EXT HVAC Temperature Controls, or browse all Chevrolet Trailblazer EXT parts and accessories.