Shop 1989 Buick Century Engine Coolant Reservoir. 4.6 liter. Engine Coolant Expansion Tank - Repair Tank, Cooling, Cause - OEM Buick Part # 19129961 (3540041)

Tank. Reservoir. Radiator Surge. Engine Coolant. Recovery.
A container that holds Engine Coolant.

Engine Coolant Reservoir

Fits Deville , Eldorado, Seville

4.6 liter.
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.