Keywords: 21Q6‑32180 MCU controller, Hyundai R220LC‑9 main controller, R210LC9BC excavator control unit, RD220LC9 ECU board, excavator electrical controller, construction machinery electrical spare parts, aftermarket MCU control module
🔹Product Overview
MCU Controller Part No.21Q6‑32180 is main machine control unit for Hyundai excavator, compatible with R210LC9BC, RD220LC9, R220LC‑9S, R220LC‑9. As the core electrical brain of excavator, it collects sensor signals, controls hydraulic system actions, adjusts engine working speed and realizes whole‑machine logic management. This replacement controller fixes common electrical failures including machine no‑start, no movement action, system error alarm, communication failure, display fault code and abnormal working mode caused by original controller board damage, component burnout and circuit short‑circuit. Every unit undergoes full‑function bench testing before shipment to guarantee
plug‑and‑play performance.
🔹Detailed Specifications
| Item | Details |
|---|---|
| Product Name | MCU Main Controller / Machine Control Unit |
| Part Number | 21Q6‑32180 |
| Applicable Machine | Hyundai Excavator R210LC9BC, RD220LC9, R220LC‑9S, R220LC‑9 |
| Product Type | Excavator Electrical Control Module |
| Input Voltage | 24V DC Excavator System |
| Type | Aftermarket New MCU Controller |
| Quality Standard | Full‑function bench testing, aging test before shipment |
| MOQ | 1 UNIT |
| Packing | Anti‑static bag + neutral export color box with inner protective packing |
| Price Term | Negotiable, EXW / FOB / CIF terms are supported |
| Delivery Time | 3‑7 days for in‑stock items |
🔹Key Features & Advantages
✅ Strictly match original part number, hardware interface completely consistent for direct replacement.
✅ Complete bench function test finished, verify signal input‑output, communication and logic control function.
✅ Industrial‑grade circuit board, good anti‑interference, shock‑resistance and dust‑proof property for harsh construction site environment.
✅ Solve multiple machine fault alarms, restore normal excavator operating performance.
✅ Anti‑static protective packing to avoid static damage during transportation.
✅ Critical electrical spare part for Hyundai R220‑9 series excavator repair and troubleshooting.
🔹Application Scope ‑
Fit Equipment: Hyundai Excavator R210LC9BC, RD220LC9, R220LC‑9S, R220LC‑9. ‑ Widely used for excavator repair shops, equipment refurbishment and electrical fault maintenance 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‑static bag and neutral export carton with foam inner protection to avoid damage during long‑distance 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.