Genuine Mazda radiator drain plug, also listed as cock drain. Used for draining coolant from the radiator assembly.
Fitment: Radiator drain cock / drain plug used on selected Mazda cooling systems, including 2.3L and 2.5L applications where listed.
OEM Part Number: WL21-15-203.
Search part numbers: WL21-15-203, WL2115203, WL21.15.203, WL21 15 203.