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China Spare Parts for Dongfeng Cummins Electrical Control Module ECM 4995445 Engine Electronic Control Module

The Engine Control Module (ECM) with part number 4995445 is a high-performance electronic control unit (ECU) developed by Cummins Inc. as the central processing brain of modern diesel engines. Commonly referred to as the "engine’s brain", this module controls all critical engine functions—including fuel injection timing, air-fuel ratio, emissions management, aftertreatment systems, and diagnostics—ensuring optimal performance, reliability, and compliance with global emission standards such as EPA Tier 4 Final, Euro VI, and China VI (CN6).

Built on the CM2150 / CM2250 hardware platform, this ECM supports advanced engine management strategies and is widely used across heavy-duty commercial vehicles, mining equipment, marine propulsion, and industrial power generation applications.
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  • 4995445

  • Dongfeng

Attribute Specification
Product Name Engine Control Module (ECM) / Electronic Control Unit (ECU)
Manufacturer Cummins Inc. (OEM)
Primary Part Number 4995445
Alternative Names Powertrain Control Module (PCM), Engine Computer, ECU Brain
Control Platform CM2150 / CM2250 Series Hardware Architecture
Operating Voltage 24V DC (supports 18–32V input range)
Housing Material Die-cast aluminum alloy — excellent heat dissipation and electromagnetic shielding
Connector Type Dual multi-pin waterproof connectors (typically 80+ pins total)
Pin Finish Gold-plated or corrosion-resistant coating for long-term reliability
Protection Rating IP69K – Dust-tight, protected against high-pressure, high-temperature washdown
Application Class Heavy-Duty Diesel Engines – Trucks, Mining, Marine, Power Generation
电气控制模块-1


电气控制模块-2


Parameter Value / Detail
Processor High-speed 32-bit microcontroller
Memory Capacity Large flash memory for data logging, fault storage, and calibration tables
Current Draw Up to 12A (under full load)
Physical Dimensions Approx. 22 cm × 22 cm × 7 cm (8.7 × 8.7 × 2.8 in)
Weight ~2.9 kg (6.4 lbs)
Thermal Management Passive cooling via metal casing; requires external airflow
Environmental Operating Range -40°C to +85°C (-40°F to +185°F)
Vibration Resistance Meets SAE J1455 and ISO 16750 standards
Diagnostics Capability Full OBD-II and J1939 CAN-based communication support
Supported Protocols J1587, J1939, CAN 2.0B


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