FM4 FH4 EURO6 Engine Controller ECU ECM Control Unit 22771624 22771625 21855905 21855896 23140886 23140887 Truck Engine Computer Module

The FM4 FH4 EURO6 Engine Controller ECU ECM Control Unit is an advanced electronic control module designed for modern heavy-duty commercial vehicles. It manages critical engine functions including fuel injection, engine performance monitoring, emission control communication, and overall engine operation.

Compatible with multiple OEM part numbers including 22771624, 22771625, 21855905, 21855896, 23140886, and 23140887, this ECU provides a reliable replacement solution for damaged or malfunctioning engine control modules.

Built with high-quality electronic components and manufactured according to OEM specifications, the controller delivers stable performance, accurate data processing, and long service life in demanding transportation environments.

• Controls engine operating parameters efficiently
• Optimizes fuel injection and engine performance
• Ensures stable communication between engine systems

• Direct replacement for original ECU modules
• Compatible with matching part numbers:
  • 22771624
  • 22771625
  • 21855905
  • 21855896
  • 23140886
  • 23140887

• High-quality circuit design
• Excellent resistance to vibration and temperature changes
• Suitable for heavy-duty truck and commercial vehicle applications

• Tested before shipment
• Ensures stable operation after installation
• Reduces vehicle downtime and maintenance costs

Compatible with vehicles equipped with:

• FM4 Engine System
• FH4 Engine System
• EURO6 Emission Standard Engines
• Heavy-duty trucks and commercial vehicles

(Please confirm vehicle VIN, engine model, and ECU label before ordering.)

JISION Professional Electronic Control Parts

✅ OEM-quality replacement ECU
✅ Stable electronic performance
✅ Strict quality inspection
✅ Fast global delivery support
✅ Technical assistance for part matching

A damaged engine controller may cause:

• Engine starting problems
• Reduced engine power
• Communication failure with diagnostic tools
• Abnormal fuel injection control
• Warning lights on dashboard
• Unstable engine operation

Replacing the ECU can help restore normal engine management functions.

Q1: How do I confirm this ECU fits my vehicle?
A: Please compare your original ECU label and part number with:
22771624 / 22771625 / 21855905 / 21855896 / 23140886 / 23140887

Q2: Is programming required after installation?
A: Some vehicles may require programming or parameter configuration. Please provide vehicle information before purchase.

Q3: Is this a new ECU?
A: We supply high-quality replacement engine controllers with inspection before shipment.

Q4: Do you provide warranty?
A: Yes, warranty service is available according to JISION warranty policy.

FM4 ECU
FH4 ECU
EURO6 Engine Controller
Engine Control Module ECU
22771624 ECU
22771625 ECM
21855905 Controller
21855896 ECU Module
23140886 Engine Computer
23140887 Control Unit
Truck ECU Replacement
Diesel Engine Controller
Commercial Vehicle Parts