AR AR42118 Pump Unloader Rebuild Kit, Fits RMV & RMW Series
Fits pumps : RMW2.5G25 , RMW2.5G27 , RMW2.5G26D-F7 , RMV2.5G25D , RMV2.5G27D , RMV2.5G30D , RMW2G20 , RMW2G23B , RMW2G24 , RMW2G25 , RMW2.2G20D , RMV2G20 , RMV2G25 , RMV2G23B
Also fits Ridgid Model RD80746 and Huskey Models: HU 80722, HU80722, HU080722, among others