New OEM Genuine Nissan oil fill plug for 5-Speed manual transmission. Fits Datsun 280Z and 280ZX 5-speed (not T5), 1976 - 1983. Always remember to loosen the fill plug before draining the fluid, nothing is worse than draining the fluid and then realizing you cant get the fill plug out! The factory service manual torque spec for the plug is 25 lb ft.