Universal Excavator Cartridge Valve Compatible with Excavator

1. Product Overview & Wholesale Price Range

The Cartridge Valve is a compact insert‑style hydraulic spare part for excavator. It undertakes pressure adjustment, flow control and direction switching inside hydraulic manifolds. Common replacement symptoms include hydraulic pressure fluctuation, valve core sticking, abnormal hydraulic noise and unstable working action.

• Factory Wholesale Price: $138 – $220 USD Direct factory price for hydraulic repair workshops
• Material Specifications: High‑strength alloy steel valve body, precision‑ground valve core assembly, reliable sealing structure, good pressure‑resistance, outstanding wear‑resistance and long service life
• MOQ & Bulk Discount: 1 Unit, favorable quotation for large‑volume maintenance orders
• Lead Time: 1‑3 working days, sufficient stock supports worldwide logistics delivery
• Warranty: 12‑month replacement warranty, full hydraulic performance testing completed before shipment

2. Application Scope

This Cartridge Valve fits multiple excavator hydraulic maintenance and overhaul scenarios:

• Hydraulic Manifold Overhaul: Direct replacement for worn, stuck or damaged original cartridge valve assembly.
• Hydraulic Fault Repair: Resolve hydraulic pressure fluctuation, valve jamming and unstable equipment movement failures.
• Repair Workshop: Standard cartridge dimension, easy installation, stable hydraulic control performance.
• Overseas Parts Dealer: Stable inventory supply, complete QC records support cross‑border spare‑parts trading.

3. Common Cartridge Valve Failure Troubleshooting

• Fault 1: Hydraulic Pressure Fluctuation & Unstable Action
  Cause: Internal valve‑core wear, seal damage, impurity jamming valve clearance.
  Solution: Install brand‑new Cartridge Valve, flush hydraulic circuit and replace hydraulic filter element.
• Fault 2: Valve Core Sticking, Equipment No‑action
  Cause: Oil contamination, internal component abrasion, spring fatigue.
  Solution: Fit new Cartridge Valve, thoroughly clean the whole hydraulic oil circuit.
• Fault 3: Abnormal Hydraulic Noise & Vibration
  Cause: Internal parts wear, oil passages blocked by hydraulic contamination.
  Solution: Replace complete cartridge valve assembly, check hydraulic oil cleanliness.
• Fault 4: Oil Leakage At Cartridge Valve Mounting Position
  Cause: Seal ring aging, mating surface scratch damage.
  Solution: Replace full cartridge valve assembly or matching seal repair kit.

4. Matching Hydraulic Spare Parts Recommendation

5. Frequently Asked Questions

Q1: How do I confirm this cartridge valve fits my excavator?
A: Please confirm machine model and cartridge installation dimension for fast compatibility verification.

Q2: What quality inspection will be carried out before goods dispatch?
A: Every cartridge valve goes through strict hydraulic test to guarantee stable pressure‑control performance.

Q3: What points need attention while installing cartridge valve?
A: Keep mounting hole and sealing face clean to prevent dirt entering valve interior, test hydraulic action performance after installation.