Pressure washer O-ring kit. If any of the O-rings on your pressure washer has deteroriated, it may cause the pressure washer to leak.
Briggs & Stratton Pressure Washer Pump Saver. 4 oz.
Briggs & Stratton Original Equipment 100005 4 Cycle Oil. (18oz Bottle) Briggs & Stratton Lawn Mower Oil is formulated for 4-cycle air-cooled engines. Don't overfill the crankcase when adding oil. Too much oil can damage the engine.
Pressure washer pump kit. If the pressure washer is leaking water, the pump may need to be rebuilt or replaced. If the pump is more than a few years old, and you use the pressure washer fairly often, replace the pump.