Shop 1991 Buick Century Engine Coolant Reservoir. 2.0 LITER. 2.2 LITER. 2.4 LITER. HHR. Engine Coolant LITER, Cooling, Tank - OEM Buick Part # 15940309 (15846040)

Engine Coolant Reservoir. Tank Assembly - Cooling RCVY EXPN.
A container that holds Engine Coolant.

Engine Coolant Reservoir

Fits HHR

2.0 LITER. 2.2 LITER. 2.4 LITER. HHR.
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.