Buy 2004 Buick Century Engine Coolant Reservoir. 2.0 LITER, RESERVOIR & HOSES. 3.6 LITER, RESERVOIR & HOSES, LITER, COOLING - OEM Buick Part # 84403735 (84234996, 85656892)

Engine Coolant Reservoir. Expansion tank.
A container that holds Engine Coolant.

Engine Coolant Reservoir

Fits Enclave , Traverse , Traverse Limited

2.0 LITER, RESERVOIR & HOSES. 3.6 LITER, RESERVOIR & HOSES. Enclave. RESERVOIR & HOSES. Traverse.
Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your 2004 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.