Shop 2004 Buick Century Engine Coolant Reservoir. 2.0 LITER TURBO. 2.7 LITER TURBO. 3.0 LITER TWIN-TURBO LITER, Cooling, Radiator - OEM Buick Part # 23378398

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

Engine Coolant Reservoir

Fits CT4, CT5

2.0 LITER TURBO. 2.7 LITER TURBO. 3.0 LITER TWIN-TURBO, MAIN RADIATOR. 3.6 LITER TURBO. CT4. CT5.
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.