Buy 1991 Hyundai Sonata Engine Coolant Reservoir Cap. 2.0 LITER. 2.7 LITER. Engine Coolant Expansion LITER, Cause, Cooling - OEM Hyundai Part # 254412D000 (25441-2D000)

Cap - Radiator Reservoir. Engine Coolant Reservoir Cap.
A cover that prevents foreign debris from entering the container. Included with: Cap assembly.

Engine Coolant Reservoir Cap

Fits Elantra, Tiburon

2.0 LITER. 2.7 LITER.
Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your 1991 Hyundai Sonata to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.