Remanufactured Relay Valve with Four Delivery Ports, Used to apply and release service brakes on tractor or trailer. Cover may be rotated without affecting warranty or performance. Repair Kit: RN10HB Product Features:Remanufactured parts are completely disassembled and wearable parts replaced providing longer life than rebuilt partsISO 9001 and MERA member certifying repeatable processesRemanufactured in the USA
