Features: 1.Solve Water Leakage Problems: Used to replace broken, damaged and worn seals and O-ring for CAT PUMP. You can effectively solve the problems of water leakage, loss of pressure and performance degradation. 2.Superior Material: Made of high quality Rubber, all seals and O-rings features with good oil resistance, corrosion resistance & wear resistance. 3.A direct replacement for the old or broken one. 4.No instruction is Included, Professional Installation is Recommended