Buy 1999 Mazda 626 ES Sedan Engine Coolant Reservoir Cap. EXPANSION TANK CAP; CX-3. Engine Coolant TANK, COOLING, EXPANSION - OEM Mazda Part # P31H15355 (P31H-15-355)

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

Engine Coolant Reservoir Cap

Fits CX-3

EXPANSION TANK CAP; CX-3.
Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your 1999 Mazda 626 to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.