The Turbosmart Ford/Mazda M35x4 blue oil cap is sized to fit M35x4 threaded oil filler ports common to certain Ford and Mazda applications. The blue finish offers visual differentiation while the cap serves its primary function as a sealed cover to protect the system from contaminants and fluid loss. Use where an M35x4 cap is required for proper fitment.
Turbosmart Ford/Mazda M35x4 Blue Oil Cap