Troubleshooting Pressure Washer Water Leaks

Water leaks typically occur at the pump, from the garden hose connection, or from connections between the pump and spray gun. Each of these failure points contains components that should be inspected for wear or improper connection.

Jul 30, 2025
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Troubleshooting Water Leaks

Water Leaking from the Pump

Seals or O-rings broken, cracked, or worn
Loose bolts on pump assembly
Cracked/damaged pump
Ball/spring in injector port stuck

Water Leaking from the Garden Hose Connection

Broken (black) inlet connector
Garden hose not properly connected (cross threaded)
Water inlet screen clogged or damaged

Water Leaking from the Spray Gun, Lance, or High-Pressure Hose Connections

Damaged O-rings inside the gun, lance, or high-pressure hose
High-pressure hose not properly connected (cross-threaded)

Where do I buy replacement parts for my pressure washers?

Purchasing necessary replacement parts can be done via an online retailer or local dealer.

Online Retailers

Note: This is just some of the online retailers, please feel free to search other retailers with the part number you are looking for as they may carry the part as well.