Excavator ECU Controller Computer Board 21N8‑32401

Title: Excavator ECU Controller Computer Board 21N8‑32401 For R210‑7 R220‑7 R305‑7 Excavator Main Controller Unit Construction Machinery Electrical Replacement Parts

Keywords: 21N8‑32401, ECU controller, excavator computer board, R210‑7 controller, R220‑7 ECU, R305‑7 computer board, excavator control unit, heavy‑duty machinery ECU, excavator electrical spare parts, construction machinery replacement parts

🔹Product Overview

This excavator ECU controller computer board Part No.21N8‑32401 is the core central control unit specially designed for R210‑7, R220‑7, R305‑7 excavator. It receives signals from multiple sensors, calculates and outputs control commands to regulate hydraulic system, engine speed and all excavator working actions. Faulty ECU controller will cause machine no‑start, action failure, slow movement, random fault codes display and abnormal machine performance. Our replacement ECU controller undergoes strict programming and function testing according to OEM technical standards for direct replacement.

🔹Product Specifications

🔹Key Features

✅ Strictly produced according to OEM hardware dimension, port definition and logic parameters, perfect fit for R210‑7 R220‑7 R305‑7 excavator

✅ Adopts industrial‑grade electronic components, anti‑interference, shock‑resistant, dust‑proof housing, stable performance for complex construction site working conditions

✅ Each unit is fully tested for communication, input‑output signal and overall function before delivery

✅ Effectively solve machine cannot start, excavator action lag, partial function invalid, frequent fault code alarms caused by damaged main controller

✅ Restore normal coordination between engine and hydraulic system, recover complete machine working performance

✅ Original plug position, direct plug‑in installation, no extra wiring modification required

✅ Minimize equipment downtime for machinery repair and maintenance sites

🔹Application Scope

Suitable for R210‑7, R220‑7, R305‑7 hydraulic excavator and related construction machinery. Ideal replacement part for original defective ECU controller computer board. Widely used by machinery repair workshops, equipment service centers and construction machinery spare‑parts wholesale suppliers.

🔹Our Advantages

We supply full range of excavator and construction machinery spare parts, covering engine parts, hydraulic assemblies and various electrical accessories including controllers, sensors, solenoid valves and wiring harnesses. All products go through strict inspection before packing. We support small sample orders and large‑volume wholesale orders. Fast delivery and professional pre‑sales & after‑sales technical support. If you require other spare parts for related machine models, please send us part numbers for quotation.

🔹Packaging & Shipping

• Packaging: Each ECU controller adopts shock‑proof and dust‑proof inner protection, packed in standard export carton. Custom wooden case is available for bulk orders to avoid damage during long‑distance sea transit. Moisture‑proof treatment for overseas shipment.
• Shipping Methods: Support DHL/FedEx/UPS/TNT express, air freight, sea freight, LCL & FCL.
• Lead Time: 1‑3 working days for in‑stock goods; 7‑15 working days for out‑of‑stock bulk orders.
• Loading Port: Major ports in China, shipment can be arranged via customer‑designated freight forwarder.

🔹Contact Us

1. Please send your inquiry with part number, machine model, quantity and your special requirements, we will reply you within 24 working hours.
2. OEM & customized service are available for large‑volume orders.
3. Professional technical support for parts matching confirmation and installation guidance.
4. Welcome machinery dealers, repair shops and trading companies to establish long‑term cooperation.