Hydraulic Pump Main Wiring Harness 21Q6‑10303 For Hyundai R210LC‑9 R220LC R290LC‑9S R300LC R220LC‑9

Keywords: 21Q6‑10303 hydraulic pump main wiring harness, Hyundai excavator pump loom assembly, R210LC‑9 R220LC R290LC‑9S R300LC R220LC‑9 pump harness, hydraulic pump solenoid wiring cable, Hyundai excavator electrical spare parts, aftermarket construction machinery wiring harness

Product Overview

This hydraulic pump main wiring harness part number 21Q6‑10303 is professional wiring assembly for excavator main hydraulic pump, compatible with Hyundai R210LC‑9, R220LC, R290LC‑9S, R300LC, R220LC‑9 excavator models. It transmits control signals and power supply for hydraulic pump solenoid valves and pressure sensors. It solves common faults such as weak digging power, unstable pump output, machine speed drop, intermittent hydraulic performance caused by wire abrasion, circuit open‑circuit, short‑circuit and connector water‑ingress corrosion. Manufactured strictly according to OEM specification for hydraulic pump electrical system maintenance and replacement.

Detailed Specifications

Key Features & Advantages

• OEM‑consistent wire length, pin definition and waterproof connectors, direct plug‑and‑play installation All plugs and wiring layout match original harness perfectly, no cutting or rewiring work required.
• Heavy‑duty abrasion‑resistant protective corrugated sleeve Resist hydraulic oil splashing, mechanical friction, dust and moisture in pump compartment harsh environment.
• Waterproof sealed connector structure Prevent mud and water intrusion, avoid signal disorder caused by bad contact.
• Strict factory performance inspection Each hydraulic pump main wiring harness passes conduction test, short‑circuit check and insulation detection before delivery.
• Perfect interchangeability & easy maintenance Ready‑to‑use replacement spare part, suitable for hydraulic pump electrical overhaul and field on‑site repair jobs.

Application Scope

Fit Equipment: Hyundai R210LC‑9, R220LC, R290LC‑9S, R300LC, R220LC‑9 excavators ‑ Widely used for machinery repair workshops, equipment fleet maintenance and hydraulic pump electrical overhaul projects.

Our Company Advantage

• We are professional supplier of full‑range construction machinery spare parts, supplying hydraulic parts, engine parts, electrical parts, seal kits and complete overhaul kits.
• Large ready stock for various machinery spare parts
• Factory‑direct wholesale competitive price
• Mixed‑order & one‑stop spare‑parts procurement supported
• Professional part‑number matching technical support service

Packaging & Shipping

• Anti‑collision inner package, protect parts during transportation
• Export‑grade outer carton for safe sea and land transportation
• Multiple shipping options: sea freight, air freight, international express for small trial orders
• Export documents such as Commercial Invoice, Packing List can be provided.

Contact Us

If you need more excavator spare parts or other construction machinery replacement components, please send your parts list to us. We will offer our best quotation for you quickly.