Shop 1990 Buick Century Engine Coolant Reservoir. 2.4 LITER. 3.0 LITER. 3.5 LITER. 3.6 LITER. Captiva LITER, Cooling - OEM Buick Part # 20813489 (20800338, 96455727)

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

Engine Coolant Reservoir

Fits Captiva Sport, Vue

2.4 LITER. 3.0 LITER. 3.5 LITER. 3.6 LITER. Captiva Sport. Vue. Vue Hybrid.
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.