The function is as follows:

1. Prevent oil leakage through rubber oil seals and oil seal gaskets;

2. Restore the elasticity of the rubber oil seal, protect the elasticity of the oil seal, O-ring, and other components.

3. Prevent engine oil from being sucked into the combustion chamber and prevent and reduce smoke exhaust.

4. Reduce engine noise and increase engine compression ratio.

5. Extend the service life of the engine and prevent expensive maintenance costs.

6. Effectively suppress oil leakage from the steering gear.