Shop 2007 Cadillac Escalade EXT Engine Coolant Reservoir. 6.6 LITER DIESEL, FUEL COOLING. Engine COOLING, LITER, DIESEL - OEM Cadillac Part # 84211275

Auxiliary reservoir. Engine Coolant Reservoir. Tank.
A container that holds Engine Coolant.

Engine Coolant Reservoir

Fits Sierra 2500 HD, Sierra 3500 HD, Silverado

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