Buy 2009 Mazda RX-8 Cap. Radiator. Reservoir. CX-9. EXPANSION TANK CAP; CX-9. Miata MX5. Engine Cooling, Expansion - OEM Mazda Part # AJA415205 (AJA4-15-205)

A cover that prevents foreign debris from entering the container. From 03/05/2005. Location-Reservoir. Radiator Cap. Engine Coolant. Included with: Reservoir, Reservoir assembly.

Radiator CapEngine Coolant Reservoir Cap

Fits CX-9, MPV, MX-5 Miata

CX-9. EXPANSION TANK CAP; CX-9. Miata MX5.
Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your 2009 Mazda RX-8 to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.