Controller Computer Board ECU K1007721B For DX480LC DX520LC Excavator

Keywords: K1007721B controller, K1007721B computer board ECU, DX480LC main controller, DX520LC excavator control unit, excavator cabin electronic control module, construction machinery ECU replacement parts, aftermarket controller assembly

Product Overview

Controller Computer Board ECU Part No.K1007721B is the core master control unit for excavator, compatible with DX480LC and DX520LC excavator. It receives sensor signals, processes operation instructions and controls hydraulic system, engine speed and whole‑machine working logic, guaranteeing coordinated and stable machine performance. This replacement ECU solves typical faults including machine no‑start, no action response, abnormal working mode, error code popping up, communication failure caused by mainboard component aging and circuit damage. Strictly manufactured according to OEM standards for direct replacement.

Detailed Specifications

Key Features & Advantages

• OEM‑identical housing dimension, connector pin definition and mounting hole position, direct plug‑and‑play installation.
• Stable mainboard circuit design, strong anti‑interference capability, adapt to harsh construction‑site vibration and temperature environment.
• Complete pre‑programmed matching parameters, reduce debugging difficulty for repair work.
• Rigorous aging test before delivery, effectively avoid random crash and signal drift failures.
• Strict factory performance inspection, every controller passes full‑function test before leaving factory.
• Perfect interchangeability & easy maintenance, ideal for excavator electronic system overhaul and field repair jobs.

Application Scope

Fit Equipment: DX480LC, DX520LC excavators ‑ Widely used for machinery repair workshops, equipment fleet maintenance and excavator electronic control system 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.