OTTO-Electric Parts
4HK1-OTTO
4HK1-OTTO
4HK1-OTTO
4HK1-OTTO
4HK1-OTTO

OTTO 4HK1 Engine ECU Controller for Isuzu Hitachi ZX200-3 Excavator Case Computer Board 4HK1X Control Module

Maximize your excavator’s engine performance with the OTTO 4HK1 Engine ECU Controller, a premium aftermarket replacement crafted for stable operation and precise OEM-grade fitment. This high-performance engine computer board restores reliable electronic control to your heavy equipment, delivering a cost-effective alternative to genuine OEM control modules.



  • Order(MOQ)::

    1pc
  • Goods Stock::

    100
  • Payment::

    T/T, Western Union, L/C, Paypal, etc
  • Product Origin::

    China
  • Shipping Port::

    Huangpu, Guangzhou
  • Lead Time::

    In Stock
  • Part No: :

    4HK1
  • Model::

    4HK1
  • Application::

    EXCAVATOR

OTTO 4HK1 Engine ECU Controller for Isuzu Hitachi ZX200-3 Excavator Case Computer Board 4HK1X Control Module




The OTTO 4HK1 Engine ECU Controller (also labeled as 4HK1X Control Module) is a dedicated aftermarket part designed for Isuzu-powered excavator equipment. As the core Engine Computer Board, it acts as the central control unit for the 4HK1 engine, regulating fuel injection, engine speed, temperature and system diagnostics to keep the excavator running smoothly and efficiently. Manufactured to meet strict international industry standards, this ECU module ensures consistent electronic performance, long-lasting durability and hassle-free replacement, making it a vital component for maintaining full productivity and functionality of compatible excavators.




Technical Specifications


Parameter Item
Specific Specification
Product Name
4HK1 Engine ECU Controller / Engine Computer Board / Control Module
Part Number
OTTO 4HK1 / 4HK1X
Cross Reference
OEM 4HK1 Series Engine Control Module
Compatible Brands
Isuzu, Hitachi
Machine Type
Hydraulic Excavator
Applicable Engine
Isuzu 4HK1 Engine
Product Type
Engine Electronic Control Unit (ECU) Module
Condition
Premium Aftermarket Replacement
Application
Engine Electronic Control & System Management

Key Product Advantages


Direct Plug-and-Play Compatibility: Programmed and engineered to exact OEM specifications for the Isuzu 4HK1 engine and Hitachi ZX200-3 excavator, enabling fully drop-in installation with no extra programming or modifications required. The electrical connectors and mounting points align perfectly with the original factory ECU, cutting installation time and equipment downtime drastically.
Stable & Precise Engine Control: Built with high-grade industrial electronic components and calibrated OEM-matching software, this ECU controller delivers real-time, accurate regulation of core engine functions including fuel delivery, idle speed and fault monitoring. It eliminates common issues like engine stalling, power loss and rough idle, fully restoring the excavator’s original power output and fuel efficiency.
Heavy-Duty Durability for Harsh Environments: Housed in a shock-absorbent, heat-dissipating rugged casing with fully sealed internal circuits to resist dust, moisture and heavy on-site vibration. This robust design ensures stable performance under extreme operating temperatures and tough construction conditions, extending service life and reducing frequent repair costs.
Cost-Effective OEM Alternative: Offers identical functional performance to genuine OEM modules at a more budget-friendly price, avoiding the high expense of full OEM replacement. It provides reliable long-term performance, making it an economical choice for excavator maintenance and repair work.
4HK1-DNB-OT





Applications


This OTTO 4HK1 Engine ECU Controller is specifically designed for excavators equipped with the Isuzu 4HK1 engine, widely used for core construction tasks including excavation, trenching, earthmoving and material handling.
Compatible Models:
  • Hitachi ZX200-3 Hydraulic Excavator
  • Other Excavators Fitted with Isuzu 4HK1 Engine

About Otto



Guangzhou Otto Engineering Machinery Equipment Co.,Ltd, is a leading manufacturer and distributor of earthmoving parts and equipment in Guangzhou, China. It consists of 3 sister companies, serving many well-known distributors at home and abroad. With more than 20 years of production and distribution experience, OTTO has cultivated an experienced engineer team and a professional sales team, which can ensure the highest service with the highest quality, competitive price and prompt delivery. At the same time, it also supplies parts to the Chinese market, and many Chinese trading companies order from our company. 


Come with us, the best service, the best price, the best supplier you can enjoy !


Our Advantages



1.TECHNICAL SERVICE
We provide modification technology service, the product has been tested modifed, the engine can be directly installed and used.
2.CERTIFICATE
With Export certificate License.Double confirmation before shipping, if we sent the wroncparts we will send corect one.
3.SERVICE TEAM
With professional after-sale team, will help you to trace the goods. And our engineers will assist with any installation issues.
4.TECHNICAL SERVICE
Free Sample is acceptable.We serves manywell-known Hitachi Komatsu Caterpillar Kobelco in your country.


Access our comprehensive Excavator Parts Book covering 50,000+ validated OEM references for Komatsu, CAT, Hitachi, Volvo, and Doosan machinery – cross-search by part number (e.g., Komatsu 111-10-11310), machine model (CAT 320D/EX200-5), or component type (hydraulic pumps, track links, engine rebuild kits) with real-time 3D diagram support. Engineered for zero-mismatch fitment across critical assemblies including Isuzu 6BG1T/Cummins QSB6.7 power systems, ISO-certified undercarriages, and Komatsu HMB-series hydraulic valves, all backed by 24/7 technical interpretation and downloadable PDF catalogs with MOQ/pricing.


At OTTO, we specialize in excavator machinery parts with a global clientele. Our superior products have garnered acclaim worldwide for their quality, durability, and precision engineering. Customers praise our extensive range of parts, from travel reduction gearboxes to hydraulic components, ensuring optimal performance. With a commitment to excellence, we offer top-notch warranties, secure shipping options, and efficient delivery times. Join our satisfied customers worldwide who rely on OTTO for top-tier excavator parts and exceptional service.


FAQ



Q1:What can you buy from us?
A:We are professional dealer in excavator parts, such as desel engine assy,hydraulic pump, hydraulic control valvetravel
motor,diesel fuel system,gearbox parts, swing gearbox motor parts, electrical parts, engine parts, used
excavator,etc.

Q2:How long is the warranted time?
A:For natural broken,Warranty 3-12 months any quality problem will offer support freely.

Q3:What's the shipping way you can offer?
A:(1) Big order: By sea or by air.(It can reduce the costs).

(2) Small order:DHL,TNT,UPS,FEDEX,EMS,ARAMEX.


Q4:What's the terms of the transaction?
A:EXW,FCA,FAS,FOB, C&F,CIF,CPT,CIP,DAF,DES,DDP.
 
Q5:How about the lead time?
A:(1) ln stock: 1-3 days.Always in 24 hours.
(2) Out of stock: lt's according to your quantity, and we have cooperated with factory,We will let you know when we quote.

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