8-98089542-2 Engine Control Unit - Suitable for 4JJ1 Excavator ECU
The control unit 8-98089542-2 is a core component of the diesel
engine electronic control system, used for precise management of
fuel injection, ignition timing, and engine operating status. This
control unit possesses stable signal processing capabilities and
good environmental adaptability, maintaining smooth engine
operation under complex conditions, improving fuel efficiency, and
reducing failure rates. Manufactured using highly reliable
electronic components, the product is suitable for diesel engine
control systems in various engineering machinery and industrial
equipment.
| Part Number | 8-98089542-2 |
| Type | 24V Engine Control Unit |
| Size | Standard |
| Function | Engine electronic control and signal management |
| Application | Excavator |
Features and Advantages
• Precise Control: Real-time control of various engine operating
parameters improves overall machine efficiency.
• Stable and Reliable: Mature internal circuit design, strong
anti-interference capability, suitable for long-term continuous
operation.
• High Adaptability: Stable operation in high temperature, high
humidity, and vibration environments.
• Plug and Play: Standard interface specifications, easy installation
and replacement, low maintenance cost.






Frequently Asked Questions
Q1: What is your main products?
A1: We are specialized in the excavator engine spare parts, for
example Main cylinder block, cylinder head, crankshaft, Engine
assembly, piston, cylinder liner, piston ring, camshaft, connecting
rod, oil pump, water pump, valve series products, movement, etc.
almost all parts of the entire engine.
Q2: If I only know the excavator model, but can not offer parts
No., what should I do?
A2: If possible, you can send us pictures of old products, name
plate or the size for reference.
Q3: Can you accept sample order?
A3: Yes sure. We can supply the sample if we have ready parts in
stock, but the customers have to pay the sample cost and the
courier cost.
Q4: Do you test all your goods before delivery?
A4: Yes, we have 100% test before delivery.
Q5: How can I do if there is something wrong with the items?
A5: Our products have been professionally tested and the quality is
very stable. If you really found something wrong, please contacts.
We have a professional after-sales team to help you solve the
problem.