oil seal 1.Materials: NBR, FKM PTFE EPDM ,SBR ,SR ,CR ,Silicon, etc. 2.Various sizes. 3.Superior quality automobile lip NOK engine ... rubber oil seal for mercedes benz truck1.Materials: NBR, FKM FPM ... size.5.Optional color for you of the Oil Seal,Rubber Oil Seal,Rubber Seal,Rubber Gasket, O-Ring :Black, red, yellow, brown ...