Dorman 69001 Nylon Rib M14 Drain Plug Gasket, (Pack of 5) Gasket Material: Nylon Rib Fits M14 bolts Made to specific sizes and standards to ensure a proper fit Designed and constructed to strict engineering quality standards Original Equipment (OE) Number: 5203148, D1FZ6734B, F5RZ6734A, ZZM210405