2840130 BRASS PLUG

SKU: 3892

Genuine AR North America part AR2840130, a brass valve cap for AR RM-series high-pressure triplex plunger pump heads — retailers shorthand it as a ‘brass plug.’ It caps the valve assemblies in the RM pump head and is documented in the AR RMW operating manual parts list. It is used across AR's pressure washer pumps, misting pumps, and AR Blue Clean pressure washing equipment. Replace it if the cap is cracked or the valve seat beneath it will not seal. Listed as SKU 3892.