ECU Controller 3045687 304-5687 Engine Computer Board for Caterpillar Excavator Programmable ECM Control Module
🟦 Product Overview The 3045687 / 304-5687 ECU Engine Control Module is a high-quality electronic control unit designed for Caterpillar excavators. This ECU acts as the “brain" of the machine, managing engine performance, fuel injection, and system communication to ensure stable and efficient ...
Caterpillar excavator ECU controller
,Programmable ECM control module
,Engine computer board with warranty
The 3045687 / 304-5687 ECU Engine Control Module is a high-quality electronic control unit designed for Caterpillar excavators.
This ECU acts as the “brain" of the machine, managing engine performance, fuel injection, and system communication to ensure stable and efficient operation under heavy-duty working conditions.
It is pre-tested, programmable, and ready for installation, making it an ideal replacement for damaged or faulty original ECU units.
- 3045687
- 304-5687
- Caterpillar Excavators (CAT Equipment)
- Heavy construction machinery using ECU system
✔ High-performance ECU engine controller
✔ Stable and reliable signal processing
✔ Plug & Play replacement (depending on configuration)
✔ Programmable control module
✔ Strong resistance to vibration and heat
✔ Long service life for heavy-duty environments
✔ OEM standard replacement quality
This ECU controls and optimizes key engine operations:
- Fuel injection control
- Engine speed regulation
- Air-fuel ratio management
- Sensor data processing
- Fault detection and communication system
It ensures the engine runs smoothly, improves fuel efficiency, and reduces system failure risk.
Each ECU is strictly tested before shipment:
- Full electronic function test
- Signal stability test
- High-temperature aging test
- Vibration resistance test
- Connector and pin inspection
✔ Direct replacement ECU module
✔ Easy installation design
✔ Some models may require programming setup depending on machine configuration
- 1 * ECU Engine Control Module (3045687 / 304-5687)
- Fast global shipping (DHL / FedEx / UPS / TNT)
- 1–3 days fast dispatch
- Technical support available
- OEM & wholesale support
Widely used in:
- Caterpillar excavators
- Construction equipment
- Earthmoving machinery
- Heavy-duty diesel engine systems
- Stable quality control system
- Professional ECU supplier (JISION / industrial parts focus)
- Large inventory availability
- Fast response & global export experience
- Reliable after-sales support
