The Dewalt 5140182-86 Pressure Washer Pump Unloader Kit is a replacement maintenance component used to regulate pressure within compatible pressure washer pump systems. The unloader mechanism controls water flow and redirects excess pressure when the spray gun trigger is released, helping manage pressure inside the pump during operation. The kit contains components intended to service... https://www.wholetoolbox.com/dewalt-5140182-86-pressure-washer-pump-unloader-kit/5140182-86.html