309-5710 CAT Excavator ECU Control Unit Computer Board for C6.4 Engine 320D 323D

Name: 309-5710 CAT Excavator ECU Control Unit Computer Board for C6.4 Engine 320D 323D
Brand: Guangzhou Lanxin Machinery Equipment Co., Ltd

Aftermarket 309-5710 ECU controller for CAT excavators. Pre-programmed plug-and-play unit with waterproof design. Supports engine speed control, fuel injection, and fault diagnosis. Compatible with C6.4 engine and D-series models like 320D, 323D, 324D.

Payment Term PAYPAL\WEST UNION\TT\TRADE ASSURANCE

Place of Origin China

Delivery time 3-7 Days

Part Number 309‑5710

Packaging Details Carton Box

Shipment DHL FEDEX TNT EMS UPS

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Product Description

309‑5710 ECU Controller Computer Board For CAT Excavator Engine ECU Control Unit

High‑quality aftermarket 309‑5710 computer board assembly, original‑equivalent engine control unit for Catr excavator electronic system repair and replacement.

Key Features

Standard OEM part number 309‑5710, perfect plug‑and‑play match for target CAT machinery
High‑precision mainboard chip, stable signal processing, accurate engine control and fault diagnosis
Strict program burning & function testing before shipment, no program error, stable operation
Waterproof, dust‑proof and anti‑interference circuit design, adapts to harsh construction site environments
Exact pin definition and wiring layout same as original, direct installation without modification
Anti‑aging electronic components, long service life and low failure rate under continuous working conditions
Supports engine speed control, fuel injection regulation, fault code monitoring and data feedback
Wide compatibility with multiple CAT excavator & engine models

Product Information

Item	Specification
Part Number	309‑5710
Product Name	ECU / Controller / Computer Board / Engine Control Module
Material	High‑Grade Circuit Board, Industrial‑Grade Chips & Electronic Components
Function	Engine Control, Speed Regulation, Fuel Injection Control, Fault Diagnosis, Signal Processing
Application	CAT Excavator, Heavy‑Duty Construction Machinery
Condition	Brand New Aftermarket Replacement

Related Products

Category	Replaceable Part Numbers / Compatible Models
General OEM Series	309‑5710, 3095710, 286‑3686, 286‑3687
Compatible Excavator Models	320D, 323D, 324D, 325D, 329D, C6.4 Engine Series

Fitment Application

Suitable for Cat D‑series medium excavators equipped with C6.4 engine, widely used in construction machinery electronic system overhaul and repair workshops.