Description
Product Overview
Part Name: Engine Control Unit (ECU)
Part Number: Y1121
Vehicle Compatibility: JAC N-Series and JAC HFC heavy-duty diesel trucks fitted with factory electronic engine management systems. Designed for original ECU applications on trucks produced within the stated year range (2012–2019).
Configuration: Direct-fit electronic control module engineered to integrate with JAC factory wiring harnesses, sensors, and actuators.
Function: Controls fuel injection, engine timing, and operating parameters to ensure stable diesel engine performance, fuel efficiency, and reliable truck operation.
Technical Specifications
Type: Engine Control Unit (ECU)
Material: Automotive-grade electronic control module with sealed aluminum housing
Application: JAC diesel trucks using ECU reference Y1121 (2012–2019)
Cross-Reference: Compatible with OEM ECU reference Y1121
Installation: Direct replacement using factory connectors and mounting points
Service Interval: Replace when ECU failure, engine control faults, or communication errors are detected
Delivery & Availability
Stock Options: Available
Delivery Time: 3–7 working days for international delivery
Payment & Security
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