8-97544589-0 Isuzu 4HK1 Engine Controller ECU Computer Board for Hitachi Sumitomo Excavator

Product Title

8-97544589-0 Isuzu 4HK1 Engine Controller ECU Computer Board for Hitachi Sumitomo Excavator

Product Overview

This product is a dedicated engine controller ECU (Electronic Control Unit) for the Isuzu 4HK1 series diesel engine, with part number 8-97544589-0. The ECU serves as the "brain" of the engine, precisely controlling fuel injection, intake air management, EGR system, turbocharging, and emission control — all of which directly impact engine power output, fuel economy, and emission performance. Specifically designed for 4HK1 engines installed in Hitachi and Sumitomo excavators, this ECU is manufactured to OEM standards and serves as an ideal replacement for the original unit.

Product Features

• OEM Specification – Manufactured to strict Isuzu OE standards with identical hardware configuration to the original ECU for plug-and-play replacement without any modification.

• Precise Control – Built with optimized engine control strategies, ensuring precise matching of fuel injection quantity, injection timing, and air intake for improved overall engine performance.

• Broad Compatibility – Specifically engineered for 4HK1 engines in Hitachi and Sumitomo excavators, compatible with a wide range of models.

• Stable & Reliable – Built with industrial-grade electronic components and a high-reliability circuit board design, offering strong resistance to vibration, heat, and electromagnetic interference — ideal for harsh construction environments.

• Rigorous Testing – Each unit undergoes functional testing and burn-in testing before shipment to ensure plug-and-play performance and stability.

Technical Specifications (Reference)

Note: For more detailed specifications, please refer to the actual product or the OEM manual.

Compatible Vehicles / Equipment

• Hitachi and Sumitomo excavators equipped with the Isuzu 4HK1 engine.

• Please confirm compatibility with your original part number and ECU model.

Packaging & Shipping

• Packaging: Carton box

• MOQ: 1 piece

• Lead Time: In stock, ships within 24 hours after order placement; bulk orders please contact us.

Precautions

• The ECU is a precision electronic control unit. Disconnect the vehicle power supply before installation to prevent short circuits or electrical damage.

• Installation must be performed by a professional technician. After installation, system matching or fault code clearing may be required.

• Verify that the hardware number and software version of the new ECU match the old unit to ensure proper functionality.

• Take anti-static precautions during handling; avoid touching electronic components and pins on the circuit board.

• A faulty ECU may cause hard starting, power loss, increased fuel consumption, or emission warning lights. Replace promptly if any abnormalities are detected.