Shop 1998 Buick Century Engine Coolant Reservoir. 3.8 LITER. Engine Coolant Expansion Tank - Repair Tank, Cooling, Cause - OEM Buick Part # 10421156 (10404185)

Engine Coolant Reservoir. Recovery tank. Reservoir Assembly - Cooling RCVY.
A container that holds Engine Coolant.

Engine Coolant Reservoir

Fits Century, Grand Prix, Intrigue, Regal

3.8 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.