... The sealing property is good; 3.Good quality Rubber wares1, Terials: NBR, silione, NR, FKM ... 3, Different sizes of Oil Seal, Rubber Seal, Rubber Gasket, O-Ring, etc. 4, ... on the Oil O-Ring, Oil seal, Rubber Seal, Rubber Gasket: Black, red, white, yellow, brown, green, ... violet, etc, depending on your own order. 5, Your OEM order of Oil Seal, Rubber ...