Engine Controller Unit ECU 21N5‑34200 For Hyundai Excavator R160LC‑7 R170‑7 R170W‑7A

Keywords: 21N5‑34200 ECU, 21N5‑34200 controller unit, Hyundai excavator engine control unit, R160LC‑7 ECU, R170‑7 controller, R170W‑7A computer board, excavator ECU control module, aftermarket replacement ECU

Product Overview

This Engine Controller Unit ECU Part No. 21N5‑34200 is the core electronic control module specially designed for Hyundai R160LC‑7, R170‑7, R170W‑7A excavators. It receives signals from multiple machine sensors, intelligently controls engine fuel injection, rotation speed, power output and hydraulic system matching, monitors machine working status and stores fault diagnostic codes. Our aftermarket ECU is manufactured strictly in accordance with OEM circuit and program specifications, with stable mainboard circuit, good anti‑interference, shock‑proof and heat‑dissipation performance. It works reliably under complex construction site conditions. It is an ideal replacement spare part for original ECU damage, no‑start, abnormal operation and excavator overhaul repair.

Detailed Specifications

Key Features & Advantages

• OEM Compatible Connector & Communication Protocol Consistent with original installation size and plug pin definition, support normal machine communication, suitable for direct replacement.
• Stable Mainboard Circuit Design High‑quality electronic components, strong anti‑interference capacity, adapt to strong vibration and temperature change of excavator working environment.
• Good Heat‑Dissipation & Shock‑Resistance Structure Optimized heat dissipation structure, effectively reduce overheating failure risk during long‑time continuous operation.
• Complete Logical Control Function Realize normal engine startup, speed adjustment and fault diagnosis function after installation.
• Strict Pre‑shipment Inspection Each ECU undergoes power‑on simulation test to check circuit and communication performance before delivery.

Application Scope

Compatible Equipment List:

• Fit Machine: Hyundai Excavator R160LC‑7, R170‑7, R170W‑7A
• Widely used for construction sites, mine projects and equipment repair shops for excavator electronic control system overhaul and troubleshooting

Our Company Advantage

We are professional supplier of full‑range construction machinery spare parts, supplying excavator ECU controllers, monitors, sensors, solenoid valves, hydraulic parts, seal kits and complete engine overhaul spare parts.

• 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

• Independent shock‑proof inner package, protect circuit board against collision, extrusion and static damage during transit
• Outer export carton for safe land and sea transportation
• Multiple shipping selections: sea freight, air freight, international express for small trial orders
• Export documents including 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.