Shop 1990 Buick Century Engine Coolant Reservoir. W/o supercharger. Engine Coolant Expansion Tank - Tank, Expansion, Cause - OEM Buick Part # 5101601AA (05101601AA)

Bottle. Engine Coolant Reservoir. PressURIZED Coolant. Reservoir tank.
A container that holds Engine Coolant.

Engine Coolant Reservoir

Fits Crossfire

W/o supercharger.
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.