Rubber SPGO Seal 35*4.2mm-470*7.9mm Piston Seal SPGO

Oil seal is a common name for general rubber seals. In short, it is the seal of lubricating oil. It is used to seal grease (oil is the most common liquid substance in the transmission system, also refers to the general meaning of liquid substance) mechanical components, it will need to lubricate the transmission parts and the output parts of isolation, so as to prevent the leakage of the lubricant. Static seals and dynamic seals (usually reciprocating motion) are both called rubber seals. Front crank shaft seals are used in the Auto engines which the function is to prevent leakage of the oil and at the same time, it can prevent the dust from outside.