Ar Blue Clean 5 piece O-Ring kit for 200, 300, & 500 series model high-pressure hoses with the brass metal tip. Part # PW909120K.
- Replace o-ring where the metal tip of the HP hose where it connects to the spray gun.
- Replace o-ring and install on the 1st indentation closest to the end of the metal tip.
- Don’t use for the 2nd larger indentation on the metal tip (next to the HP hose side) as it does NOT need an o-ring.