Dorman 69000 Nylon Rib M12 Drain Plug Gasket, (Pack of 5) Gasket Material: Nylon Rib Fits M12 bolts Made to specific sizes and standards to ensure a proper fit Designed and constructed to strict engineering quality standards Original Equipment (OE) Number: 3769935, 4763738, C20Z6734A, IHC097001B, XW6734A