Shop 2003 Buick Century Engine Coolant Reservoir. 6.6 LITER DIESEL. Engine Coolant Expansion Tank - Tank, Cooling, Cause - OEM Buick Part # 22892637 (15848518, 20969765)

Engine Coolant Reservoir. Tank Assembly - Radiator Surge.
A container that holds Engine Coolant.

Engine Coolant Reservoir

Fits Express 2500, Express 3500, Savana 2500, Savana 3500

6.6 LITER DIESEL.
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.