Shop OEM Hyundai Motor Group Part # 25430D4000 (25430 D4000). Engine Coolant Reservoir. 1.6 LITER. 2.0 LITER. 2.0 LITER HYBRID. 2.4 LITER. Cadenza. Optima. Optima Hybrid. Engine Coolant Expansion

Engine Coolant Reservoir. Tank Assembly - Reservoir.
A container that holds Engine Coolant. Includes: Reservoir Cap.

Engine Coolant Reservoir

Fits Cadenza, Optima

1.6 LITER. 2.0 LITER. 2.0 LITER HYBRID. 2.4 LITER. Cadenza. Optima. Optima 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.