Name: Oil seal for plunger 

Size: mouth length 34 pump core diameter 16 

Mouth length 37 Pump core diameter 15 

Mouth length 34 Pump core diameter 13 

Packing: 1pc 

When the jack is in use, the external environment may corrode the pump core. When oil leakage is found at the pump core, you can check whether there are pits, small pits, or obvious thinning on the pump core. If not, you can replace the oil seal to solve the leakage. Oil, if there are pits, pits, scratches or obvious thinning, the pump core must be replaced, otherwise the problem of oil leakage cannot be solved.