Buy OEM Mazda Part # CY0115350A (CY01-15-350, CY01-15-350A, CY0115350, USECY0115350A). Engine Coolant Reservoir (Right). CX-9. CX-9; From 12/1/07. CX-9; To 12/1/07. Engine Coolant Expansion Tank - Repair or Replace A

Reservoir. SUB.
A container that holds engine coolant. Includes Reservoir Cap. Includes: Expansion Tank Cap. Engine Coolant. Expansion Tank. Tank, - Radiator.

Engine Coolant Reservoir

Fits CX-9

CX-9. CX-9; From 12/1/07. CX-9; To 12/1/07.
Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your Mazda to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.