PC120‑6 No‑OEM‑PC120‑6‑Signal‑Selector‑Valve Signal Selector Valve Compatible with Excavator

1. Product Overview & Wholesale Price Range

The PC120‑6 Signal Selector Valve (Part # No‑OEM‑PC120‑6‑Signal‑Selector‑Valve) is an essential signal‑control component for PC120‑6 excavator hydraulic circuit. It switches and transmits hydraulic control signals, coordinates multi‑function switching, improves machine response performance, and solves typical issues including signal loss, operation lag and unresponsive actions.

• Factory Wholesale Price: $115 – $215 USD Direct factory price for hydraulic repair workshops
• Material Specifications: High‑strength alloy steel, precision grinding machining, sensitive signal response, stable switching performance, long service lifespan
• MOQ & Bulk Discount: 1 Unit, favorable price for large‑volume maintenance orders
• Lead Time: 1‑3 working days, adequate stock supports global logistics delivery
• Warranty: 12‑month replacement warranty, full hydraulic pressure testing finished before dispatch

2. Application Scope

Perfectly fits PC120‑6 excavator hydraulic control system and construction machinery overhaul works:

• Hydraulic Overhaul: Direct replacement for worn, stuck or failed original signal selector valve assembly.
• Signal‑Fault Repair: Resolve signal interruption, slow response and poor compound operation performance.
• Repair Workshop: Accurate dimensional match, convenient installation, reliable signal‑switching performance.
• Overseas Parts Dealer: Stable inventory supply, complete QC records support cross‑border spare‑parts trading.

3. Common Signal Selector Valve Failure Troubleshooting

• Fault 1: Excavator Action Lag, Slow Response
  Cause: Valve spool wear, internal dirt blockage, control spring fatigue.
  Solution: Install brand‑new No‑OEM‑PC120‑6‑Signal‑Selector‑Valve signal selector valve, flush hydraulic circuit and replace filter element.
• Fault 2: Partial Function No Response, Signal Loss
  Cause: Spool sticking, internal oil channel blocked by impurities.
  Solution: Fit PC120‑6 No‑OEM‑PC120‑6‑Signal‑Selector‑Valve signal selector valve, thoroughly clean the whole hydraulic oil loop.
• Fault 3: Signal Switch Disorder, Compound Action Abnormal
  Cause: Internal component abrasion, spring deformation and failure.
  Solution: Replace complete signal selector valve assembly, check hydraulic oil cleanliness condition.
• Fault 4: Oil Leakage At Signal Selector Valve External Joints
  Cause: Seal ring aging, mating surface scratch damage.
  Solution: Change full valve assembly or matching seal repair kit.

4. Matching Hydraulic Spare Parts Recommendation

5. Frequently Asked Questions

Q1: How do I confirm this signal selector valve is suitable for my machine?
A: Please confirm excavator model, mounting dimension and hydraulic signal parameters, provide No‑OEM‑PC120‑6‑Signal‑Selector‑Valve for fast compatibility verification.

Q2: What quality inspection will be carried out before goods dispatch?
A: Every PC120‑6 signal selector valve undergoes strict hydraulic flow and pressure test to guarantee stable signal‑switching performance.

Q3: What points need attention while installing signal selector valve?
A: Keep mounting surface clean to prevent dirt entering valve interior, exhaust air from hydraulic circuit after finishing installation.