Nylon

Part # BAS03550 M12 Blue Nylon Ribbed Drain Plug Gasket M12 Thickness: 0.0800 Inch (1.97mm) I.D: 0.513 Inch (13mm) O.D: 0.855 Inch (21.8mm) Interchange Numbers: Dorman - 097116, 097-116, 66301 Napa -  704137 Service Champ...

Part # BAS03552 M14 Nylon Ribbed Drain Plug Gasket M14 Thickness: 0.0800 Inch (1.97mm) I.D (from tabs) 0.575 Inch  (14.61mm) O.D: 0.950 Inch  (24mm) Interchange Numbers: Dorman - 097-118, 69001, 097118   Common drain plug...

Part # BAS03553 M12 Nylon Drain Plug Gasket M12 Thickness: 0.094 Inch (2.4mm) I.D:  0.524 Inch (13.3mm) O.D: 0.761 Inch (19.3mm) Interchange Numbers: Dorman - 097-001, 097001

Part # BAS03554 M12 Nylon Drain Plug Gasket M12 Thickness: 0.071 Inch (1.8mm) I.D: 0.561 Inch (14.25mm) O.D: 1.005 Inch (25.5mm) Interchange Numbers: Dorman - 097-022, 097022

Part # BAS03555 5/8" Nylon Drain Plug Gasket 5/8" Thickness: 0.091 Inch (2.3mm) I.D: 0.675 Inch (17.1mm) O.D: 1.025 Inch (26mm) Interchange Numbers: Dorman - 097-002, 097002    

Part # BAS03556 M16.4 Nylon Drain Plug Gasket M16.4 Thickness: 0.091 Inch (2.3mm) I.D: 0.730 Inch (18.3mm) O.D: 0.870 Inch (22.1mm) Interchange Numbers: Dorman - 097-003, 097003   Common drain plug gasket on many vehicles