Valve Rebuild Kit, Product Type Valve Repair Kit, Includes Cap Retaining Clip, Clip Retaining Core/Seat Assembly, Disc, Nut Lock, O-Rings, Piston, Ring Piston, Ring Retaining, Ring Rider, Solenoid Base Sub-Assembly and Washer, Compatible with Manufacturer Model Number 8210G027, EF8210G027, Compatible with Grainger Part Number 3UK21, 3UK82, 5JC38, 5JC62, Compatible with Brand Emerson, Standards UL Listed, Valve Type Solenoid Valves