19J067A No‑OEM‑19J067A Holding Valve Compatible with Excavator

1. Product Overview & Wholesale Price Range

The 19J067A Holding Valve (Part # No‑OEM‑19J067A) is hydraulic control part, designed to keep hydraulic pressure stable, prevent pressure drop and protect actuators for construction machinery hydraulic system.

• Factory Wholesale Price: $92 – $175 USD Direct factory price for hydraulic repair workshops
• Material Specifications: High‑strength alloy steel, precision‑machined sealing surface, good pressure‑resistance and anti‑wear property
• MOQ & Bulk Discount: 1 Unit, favorable quotation for large‑volume hydraulic repair orders
• Lead Time: 1‑3 working days, sufficient stock supports worldwide logistics delivery
• Warranty: 12‑month replacement warranty, pressure holding and leakage test finished before packing

2. Application Scope

Specially produced for excavator and engineering machinery hydraulic system:

• Hydraulic System Repair: Direct replacement for damaged, stuck or leaking original holding valve.
• Pressure Maintaining Protection: Avoid unexpected pressure loss of hydraulic circuit, protect hydraulic cylinders and actuators.
• Repair Workshop: Standard mounting dimension, easy installation, stable pressure holding effect.
• Overseas Parts Dealer: Stable supply capacity, complete QC records support cross‑border spare‑parts resale business.

3. Common Holding Valve Failure Troubleshooting

• Fault 1: Hydraulic Circuit Pressure Dropping Rapidly
  Cause: Spool blocked by dirt, internal sealing parts wear.
  Solution: Install brand‑new holding valve, clean hydraulic circuit and replace filter element.
• Fault 2: Unstable Holding Pressure
  Cause: Sealing surface abrasion, internal spring fatigue damage.
  Solution: Replace complete holding valve, flush full hydraulic oil circuit.
• Fault 3: Internal Oil Leakage
  Cause: Valve core sealing surface scratch and damage.
  Solution: Fit new holding valve, carry out system pressure test after installation.
• Fault 4: Hydraulic Vibration & Abnormal Noise
  Cause: Spring failure, frequent pressure shock impact.
  Solution: Replace holding valve and inspect whole hydraulic system condition.

4. Matching Hydraulic Spare Parts Recommendation

5. Frequently Asked Questions

Q1: How do I confirm this holding valve fits my machine?
A: Please check installation dimension, thread specification and working pressure parameter, send machine info for fast compatibility confirmation.

Q2: What quality tests are carried out before shipment?
A: Each holding valve undergoes pressure‑holding test and leakage test to guarantee stable hydraulic working performance.

Q3: What should be noticed during installation?
A: Keep hydraulic oil clean, avoid impurities entering valve cavity, test circuit pressure strictly according to equipment requirements after mounting.