Shop OEM Honda Part # 19109PH1620 (19109-PH1-620). Engine Coolant Reservoir Cap. 1.5 LITER TURBO. 2.0 LITER. Coupe, Sedan, 1.5 LITER TURBO. EXPANSION TANK CAP; Civic. Hatchback, 1.5 LITER

Cap. Filler. Reservoir.
A cover that prevents foreign debris from entering the container. Engine Coolant.

Engine Coolant Reservoir Cap

Fits Civic, CR-V, HR-V, Integra, RDX, RSX

1.5 LITER TURBO. 2.0 LITER. Coupe, Sedan, 1.5 LITER TURBO. EXPANSION TANK CAP; Civic. Hatchback, 1.5 LITER TURBO. Integra; Expansion Tank Cap. RDX.
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.