Buy 2001 Buick Century Engine Coolant Reservoir. Engine Coolant Expansion Tank - Repair or Replace A - OEM Buick Part # 23386455

Tank. Reservoir.
A container that holds engine coolant. Assembly - Radiator Surge. Cap. Engine Coolant. Expansion.

Engine Coolant ReservoirEngine Coolant Bypass Hose

Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your 2001 Buick Century to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.