331-7539 286-3686 331-7540 Engine ECM ECU Controller for Caterpillar 312D 313D 315D 319D 320D 323D Excavator C4.2 C4.4 C6.4 C6.6 Engine Parts

The 331-7539 / 286-3686 / 331-7540 Engine ECM ECU Controller is a high-quality electronic control module designed for Caterpillar excavators equipped with C4.2, C4.4, C6.4, and C6.6 diesel engines.

This engine control unit manages critical engine functions by processing sensor data and controlling engine operating parameters, helping improve fuel efficiency, power output, and overall machine reliability.

Compatible with Caterpillar excavator models including 312D, 313D, 315D, 319D, 320D, and 323D, this ECM ECU provides a reliable replacement solution for construction equipment repair and maintenance.

JISION specializes in supplying professional construction machinery electronic parts with strict quality inspection and stable performance.

The ECM ECU monitors engine conditions and controls electronic engine functions to maintain stable operation and optimized performance.

Provides reliable communication between engine sensors and the machine control system for precise engine management.

Designed with a strong metal housing and industrial-grade electronic components to withstand vibration, dust, and harsh working environments.

Manufactured according to original specifications for easier installation and reduced equipment downtime.

Each controller is tested before shipment to ensure stable electrical performance and reliable operation.

This ECM ECU controller is suitable for:

• CAT 312D Excavator
• CAT 313D Excavator
• CAT 315D Excavator
• CAT 319D Excavator
• CAT 320D Excavator
• CAT 323D Excavator

Designed for Caterpillar diesel engines:

• C4.2 Engine
• C4.4 Engine
• C6.4 Engine
• C6.6 Engine

The 331-7539 / 286-3686 / 331-7540 ECM ECU controller is widely used in:

• ✔ Excavators
• ✔ Construction machinery
• ✔ Earthmoving equipment
• ✔ Mining equipment
• ✔ Heavy-duty diesel engines

Helps restore engine electronic control functions and maintain stable machine operation.

Supports accurate fuel management and engine parameter control.

Designed for continuous operation in demanding construction environments.

An ideal aftermarket solution compared with expensive original controller replacement.

• ✔ Professional supplier of excavator ECU / ECM controllers
• ✔ Specialized in CAT electronic parts
• ✔ Strict quality inspection before shipment
• ✔ OEM part number matching support
• ✔ Competitive factory pricing
• ✔ Worldwide shipping service
• ✔ Technical support available

This controller is commonly used on CAT 312D, 313D, 315D, 319D, 320D, and 323D excavators with C4.2, C4.4, C6.4, and C6.6 engines.

Please provide your original ECM part number, machine model, and engine information. Our team can help verify compatibility.

Some machines may require programming or configuration after installation depending on the equipment system.

Yes. JISION supplies CAT engine ECM, ECU controllers, monitor panels, hydraulic controllers, and other construction machinery electronic parts.

• 331-7539 ECM
• 286-3686 ECU Controller
• 331-7540 Engine Module
• CAT 320D ECU
• 312D Excavator Controller
• 313D 315D 319D ECM
• 323D Engine Control Unit
• C4.2 C4.4 C6.4 C6.6 ECU
• Caterpillar Excavator Parts
• Construction Machinery ECM
• JISION ECU Supplier