Mishimoto MMOFC-MITS-BK Mitsubishi Oil Filler Cap, Black Billet CNC-machined aluminum for optimal fit and finish Material: 6061 Aluminum / Overall Height: 1.17 / Overall OD: 2.32 / Thread Pitch: OEM Included O-ring ensures a perfect seal Fits most Mitsubishi engines Mishimoto Lifetime Warranty