Buy 2020 Cadillac XT4 Luxury Sport Utility Cap. Reservoir. Assembly - Radiator Surge TK. Engine Coolant EXPANSION, OUTPUT - OEM Cadillac Part # 13502353 (13545896)

A cover that prevents foreign debris from entering the container. Engine Cooling. Location-Reservoir. Primary. Radiator Cap. Side. Included with: Radiator Assembly, Reservoir Assembly.

Radiator CapEngine Coolant Reservoir CapEngine Coolant Bypass Hose

Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your 2020 Cadillac XT4 to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.