View 6 Photos View 0 Videos Used Cummins QSX Water Pump Connection $160 USD Used QSX Water Pump Connection, Type: Water Connection ConditionUsedFits To Make(s)CumminsFits To Model(s)QSXPart Number3681321Stock Number592-10911 MLS Number14723648CategoryWater Transfer Tubes Last Updated11/6/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info