Cadillac CTS Cooling System Gaskets and Seals
This page gathers cooling system gaskets and seals for the Cadillac CTS covering model years 2003–2019, including water pump gaskets, thermostat housing gaskets, coolant outlet gaskets, and related OE-replacement seals. Select your year above and we'll show only the cooling system gaskets and seals that fit your Cadillac CTS. Fitment is checked against our vehicle data for every part listed.
Cometic C5174 GM Gen III/IV LS Small Block Water Pump Gasket Set
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 C32061 Engine Coolant Thermostat Housing Water Outlet Gasket
MAHLE K31629 Victor Reinz Engine Water Pump Backing Plate Gasket
What's here for your Cadillac CTS
- Engine Water Pump Gaskets
- Engine Coolant Thermostat Housing Gaskets and Seals
- Engine Coolant Outlet Gaskets
- Engine Coolant Thermostat Gaskets and Seals
- Engine Coolant Water Inlet Gaskets
- Engine Oil Cooler Gaskets
The widest selection of cooling system gaskets and seals for the Cadillac CTS here comes from MAHLE, Fel-Pro, Victor, and ACDelco, spanning OE-replacement gaskets and seals across the range of cooling system connection points. Other categories Cadillac CTS owners shop for: Cadillac CTS Brake Rotors and Drums, Cadillac CTS Brake Pads and Shoes and Cadillac CTS Springs and Suspension Parts, or browse all Cadillac CTS parts and accessories.