Shop OEM Hyundai Motor Group Part # 254303C050 (25430 3C050, 25430-3C050, 2543038050). Engine Coolant Reservoir. 1999-01. 2.4 LITER. 2.5 LITER. 2.7 LITER. 2002-05. Sonata. XG300, XG350. Engine Coolant Expansion Tank -

Engine Coolant Reservoir. Reservoir Assembly - Radiator.
A container that holds Engine Coolant.

Engine Coolant Reservoir

Fits Optima, Sonata, XG300, XG350

1999-01. 2.4 LITER. 2.5 LITER. 2.7 LITER. 2002-05. Sonata. XG300, XG350.
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.