Original Cab Harness 21Q6-10704 Harness-Cab Fit for R520-9S R220-9S R300-9S R210W-9 KR Tested Parts

Keywords: 21Q6‑10704 cab wiring harness, R520‑9S cabin loom assembly, R220‑9S R300‑9S R210W‑9 excavator cab harness, excavator cabin internal wiring cable, Hyundai excavator electrical spare parts, aftermarket construction machinery wiring harness

This cab wiring harness part number 21Q6‑10704 is cabin internal wiring assembly for excavator, compatible with R520‑9S, R220‑9S, R300‑9S, R210W‑9 excavator models. It undertakes power supply and signal transmission for cabin monitor, control switches, lamps and other indoor electrical components. It solves common electrical failures such as instrument no display, switch malfunction, intermittent circuit caused by wire aging, insulation cracking, open‑circuit and connector oxidation. Manufactured strictly according to OEM specification for excavator cabin electrical system overhaul and replacement.

• OEM‑consistent wire length, pin assignment and connector configuration, direct plug‑and‑play installation All plugs, routing layout and wire length match original harness perfectly, no extra cutting or rewiring work.
• Premium multi‑strand wire core and durable protective sleeve Good performance of oil‑resistance, vibration‑resistance and anti‑aging, adapt to long‑time complex working environment inside operator cabin.
• Clear wire marking and complete matching connectors Convenient for technicians to troubleshoot circuit faults and accelerate repair progress.
• Strict factory inspection & circuit performance test Each cab 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 cabin electrical overhaul and on‑site emergency repair jobs.

Fit Equipment: R520‑9S, R220‑9S, R300‑9S, R210W‑9 excavators ‑ Widely used for machinery repair workshops, equipment fleet maintenance and cabin electrical overhaul projects.

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

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.

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.