Buy 2006 Cadillac Escalade EXT Engine Coolant Reservoir Cap. Radiator Cap. Engine Coolant Expansion Cause, COOLING - OEM Cadillac Part # 90500007 (90467473)

A cover that prevents foreign debris from entering the container. Location-Reservoir. Radiator Cap. Reservoir.

Radiator CapEngine Coolant Reservoir Cap

Fits Catera

Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your 2006 Cadillac Escalade EXT to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.