The Dewalt 5140228-64 Pressure Washer O-Ring Kit helps create secure seals between compatible pressure washer components to reduce water and pressure leakage. These O-rings fit into designated connections and provide sealing around mating surfaces during operation. Properly functioning seals support consistent water flow, maintain system pressure, and help prevent leaks. Replacing wor... https://www.wholetoolbox.com/dewalt-5140228-64-pressure-washer-o-ring-kit/5140228-64.html