Valve Rebuild Kit, Product Type Valve Repair Kit, Includes Cap Retaining, Clip Retaining, Core Assembly, Guide Core, Holder Assembly, M O-Rings, Solenoid Base Sub-Assembly, Spring Compression, Spring Snap On, Washer Spring, Compatible with Manufacturer Model Number 8320G172, EF8320G172, Compatible with Grainger Part Number 3UL89, 3UL90, Compatible with Brand Emerson, Standards UL Listed, Valve Type Solenoid Valves.