179-9850 1799850 Engine ECU ECM Controller for 3126B 322C 325C Excavator
The JISION 179-9850 / 1799850 Engine ECU ECM Controller is an electronic control module designed for compatible 322C and 325C excavators equipped with the 3126B engine.As a key component of the excavator's electronic engine management system, the ECU/ECM receives and processes signals from various ...
3126B engine ECU controller
,322C excavator ECM controller
,325C excavator ECU with warranty
The JISION 179-9850 / 1799850 Engine ECU ECM Controller is an electronic control module designed for compatible 322C and 325C excavators equipped with the 3126B engine.
As a key component of the excavator's electronic engine management system, the ECU/ECM receives and processes signals from various sensors and helps control engine operating functions according to the machine's programmed parameters.
Featuring a heavy-duty protective housing, multi-pin electrical connectors, secure mounting points and a grounding connection, the 179-9850 controller is designed for use in demanding construction machinery environments.
It is a practical replacement solution for compatible excavators requiring ECU/ECM replacement during electrical system diagnosis, engine repair or machine rebuilding.
Key Features
- Part Number 179-9850 / 1799850 – Convenient identification for replacement and parts sourcing.
- For 3126B Engine Applications – Designed for compatible excavators equipped with the 3126B diesel engine.
- Compatible with 322C & 325C – Suitable for specified excavator applications.
- Precise Electronic Control – Designed to process engine-related signals and support stable engine management.
- Heavy-Duty Housing – Robust enclosure helps protect internal electronic components in demanding environments.
- Multi-Pin Connectors – Designed for secure connection with the compatible machine wiring harness.
- Reliable Grounding Design – Grounding connection supports proper electrical system installation.
- Strong Mounting Structure – Secure mounting points for installation in compatible equipment.
- Replacement ECU/ECM Solution – Suitable for excavator repair, maintenance and control-system replacement.
Product Specifications
| Item | Details |
|---|---|
| Product Name | Excavator Engine ECU / ECM Controller |
| Part Number | 179-9850 / 1799850 |
| Product Type | ECU / ECM / Engine Control Module |
| Engine Model | 3126B |
| Compatible Excavator Models | 322C / 325C |
| Application | Excavator Engine Electronic Control System |
| Connector Type | Multi-Pin Connector |
| Condition | Original / Please Confirm Before Ordering |
| Brand | JISION |
| Quality Inspection | Available Before Shipment |
Compatible Applications
The 179-9850 Engine Controller is intended for compatible applications including:
Engine: 3126B
Excavator Models: 322C / 325C
ECU compatibility can depend on the machine's serial number, software/programming version, wiring configuration and original ECM number. Matching the excavator model alone may not be sufficient.
Main Functions
The ECU/ECM is an important part of the excavator engine management system. Depending on the specific machine configuration, it works with sensors, actuators and other electronic systems to support functions such as:
Engine Monitoring • Fuel System Management • Sensor Signal Processing • Operating Parameter Control • Engine Protection Functions • Diagnostic Communication
Correct programming and calibration may be required after installation depending on the application.
Product Advantages
The JISION 1799850 Excavator Controller is designed around the requirements of heavy construction machinery:
Reliable Electronic Control · Durable Housing · Secure Connections · Accurate Fitment · Stable Performance · Convenient Replacement
The robust external construction helps protect the electronic module from the vibration and demanding operating conditions commonly encountered in excavator applications.
Applications
Suitable for equipment operating in:
Construction • Earthmoving • Mining • Quarrying • Road Work • Infrastructure Projects • Excavator Repair & Rebuilding
This controller is especially suitable for professional repair workshops, excavator owners and spare-parts distributors looking for a replacement 3126B engine ECM.
Important ECU Replacement Notice
Before replacing an ECU/ECM, the machine's power supply, grounding, wiring harness, connectors, sensors and related electrical components should be properly diagnosed. An ECU-related fault code does not necessarily mean that the controller itself has failed.
Depending on the machine, the replacement controller may also require programming, parameter configuration or calibration before normal operation.
Why Choose JISION?
JISION supplies electronic, engine, hydraulic and construction machinery replacement parts for excavators and heavy equipment.
For excavator controllers, we focus on:
Correct Part Number · Connector Compatibility · Housing Quality · Electrical Inspection · Secure Packaging · Professional Parts Support
Our products are suitable for excavator repair shops, construction companies, machinery dealers, fleet operators and construction machinery spare-parts distributors.
Buyer Notice
For accurate compatibility confirmation, please provide:
- Part number: 179-9850 / 1799850
- Excavator model: 322C / 325C
- Engine model: 3126B
- Machine serial number
- ECU/ECM nameplate or identification number
- Photos of the original controller and connectors
- Software or programming information, if available
We strongly recommend confirming the original ECU information before ordering to avoid programming or compatibility issues.
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