Shop 1998 Buick Century Engine Coolant Reservoir. 4.9 liter. All Models; 4.9L. Engine Coolant - OEM Buick Part # 3543028 (03543028)

Engine Coolant Reservoir. Recovery tank. Serpentine Tensioner.
A container that holds Engine Coolant.

Engine Coolant Reservoir

Fits Deville , Eldorado, Reatta, Riviera, Seville, Toronado

4.9 liter. All Models; 4.9L.
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.