Fits Models At A Glance:
- Case Backhoe Loaders: 580C
Key Notes:
- Weight: 0.4 lbs (0.18 kg)
- Kit Type: Backhoe control valve complete resealing kit
- Total Pieces: 95 seals and O-rings
- Application: Complete reseal kit for the backhoe control valve — contains all O-rings, back-up rings, and valve spool seals needed to fully reseal the backhoe control valve on Case 580C backhoe loaders, restoring hydraulic pressure integrity across all valve sections including boom, dipper, bucket, swing, and stabilizer circuits
- Includes:
- Section port O-rings — large and small
- Outlet internal O-ring
- Spool plug O-ring
- Valve spool O-rings — multiple sizes
- Valve spool seals
- Relief poppet O-rings
- Relief piston O-rings
- Stabilizer spool O-rings
- Stabilizer seat O-rings
- Stabilizer plunger O-rings
- Back-up rings
Common Use Case or Symptoms: Use when the backhoe control valve is leaking externally at section ports, spool bores, or stabilizer sections — external leaks at the control valve cause hydraulic oil loss, reduced system pressure, sluggish or drifting backhoe function, and contamination of surrounding components on Case 580C backhoe loaders.
Why Choose Broken Tractor:
- Complete 95-Piece Reseal Kit: Every O-ring, back-up ring, and spool seal needed for a full backhoe control valve reseal is included in a single kit — no partial kits, no separate sourcing of individual seals
- All Circuits Covered: Kit includes seals for section ports, spool bores, relief valves, and stabilizer circuits — one kit reseals the entire backhoe control valve assembly from end to end
- Fast Shipping from a U.S.-Based Team: In-stock and ready to ship from our U.S. warehouses









