Mazda Insignia Logo Oil Filler Cap in Silver Gunmetal Billet Aluminum Brand New. Never Used. Never Installed Made from 100%, Real T-6061 High Quality Billet Aluminum Hard Anodized Process for a Longer Lasting Finish Oil Cap Includes High Quality Rubber O-Ring Gasket to Prevent Oil Leakage. Fits Mazda NON-ROTARY Engines ONLY!