345-3388 320E Excavator Engine ECU Controller ECM Electronic Control Module for Caterpillar CAT Excavator Spare Parts
345-3388 Excavator Engine ECU Controller The 345-3388 Engine ECU Controller is a high-performance electronic control module designed for Caterpillar CAT 320E excavators and other compatible heavy construction machinery. The ECU manages important engine control functions, processing signals and ...
Caterpillar excavator engine ECU
,320E excavator ECM controller
,CAT excavator spare parts controller
The 345-3388 Engine ECU Controller is a high-performance electronic control module designed for Caterpillar CAT 320E excavators and other compatible heavy construction machinery. The ECU manages important engine control functions, processing signals and controlling engine operation to ensure stable performance, accurate response, and efficient machine operation.
JISION provides reliable aftermarket ECU replacement solutions with strict quality inspection, helping customers restore excavator performance and reduce machine downtime.
- High-speed signal processing system
- Accurate engine parameter management
- Helps maintain stable engine operation
- Improves machine working efficiency
- Designed for demanding construction environments
- Strong resistance to vibration and temperature changes
- Premium electronic components for long service life
- Replacement solution for damaged or faulty ECU modules
- Accurate connector design for easier installation
- Reduces repair time and maintenance costs
- Functional testing before shipment
- Reliable performance verification
- Suitable for professional excavator repair applications
| Item | Details |
|---|---|
| Product Name | Engine ECU Controller |
| Part Number | 345-3388 / 3453388 |
| Type | ECM / ECU / Engine Control Module |
| Application | CAT 320E Excavator |
| Engine Application | C4.4 / C7.1 Engine Series |
| Condition | New Replacement Part |
| Brand | JISION |
For Caterpillar CAT Equipment:
- CAT 320E Excavator
- CAT 323E Excavator
- CAT 324E Excavator
- CAT 325E Excavator
- CAT 326E Excavator
- CAT 329E Excavator
- CAT 320F / 323F / 325F Series (depending on configuration)
The 345-3388 ECU Controller helps manage:
- Engine speed control
- Fuel injection management
- Engine performance monitoring
- Electronic communication between machine systems
- Diagnostic information processing
A faulty engine ECU may cause:
- Engine cannot start normally
- Unstable engine speed
- Reduced machine power
- Communication failure
- Error alarms or diagnostic codes
- Poor fuel efficiency
Replacing the ECU controller can help restore normal engine control performance.
✔ Professional excavator electronic parts supplier
✔ High-quality ECU / ECM replacement solutions
✔ Strict testing before shipment
✔ Stable performance and reliable quality
✔ Worldwide aftermarket support
345-3388 ECU Controller
3453388 ECM Controller
CAT 320E Engine ECU
320E Excavator Computer Board
CAT Excavator ECM
C4.4 Engine Controller
C7.1 Engine ECU
Excavator Electronic Control Module
Construction Machinery Spare Parts
CAT Excavator Control Unit
JISION Excavator Parts
