Valve Rebuild Kit, Product Type Valve Repair Kit, Includes Cap Retaining, Clip Retaining, Core Assembly, Cup, Holder Assembly, M Insert, O-Rings, Piston Assembly, Screw Mach RH, Solenoid Base Sub-Assembly, Spring Compression, U-Rings, Compatible with Manufacturer Model Number 220/50D, EF8321G001AC240/60, Compatible with Grainger Part Number 3UM04, 3UM05, 3UM06, 3UM07, Compatible with Brand Emerson, Standards UL Listed, Valve Type Solenoid Valves