The Dewalt 5140209-80 Pressure Washer O-Ring Kit helps maintain sealed connections within compatible Dewalt pressure washer components. These O-rings provide sealing at designated joints and fittings, helping prevent water leaks during normal operation. This kit is a practical replacement option when existing seals become worn, cracked, damaged, or lose their ability to seal properly.... https://www.wholetoolbox.com/dewalt-5140209-80-pressure-washer-o-ring-kit/5140209-80.html