4954430 ECM ECU Engine Control Unit for Cummins QSK78 CM500 QST30 CM552
Brand: Compatible with Cummins (High Horsepower Industrial Series)
Part Number: 4954430, P4954430
Control Systems: CM500 and CM552 Electronic Architecture
$1,899.00
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Product Highlights
Overview
| Brand | Compatible with Cummins |
|---|---|
| OEM P/N | 4954430 |
| Control Systems | CM500 and CM552 Electronic Architecture |
Product Details
Heavy-Duty 4954430 ECM ECU Engine Control Module for Cummins QSK78 & QST30
Power your most critical industrial assets with the 4954430 ECM ECU Engine Control Unit. As the high-performance electronic “brain” for the Cummins CM500 and CM552 control systems, this module is specifically engineered to manage the extreme operational demands of the QSK78 and QST30 engine families. These massive engines are the backbone of global mining and large-scale power generation, where reliability is non-negotiable.
I. Engineered for High-Horsepower Reliability
The 4954430 (also referenced as P4954430) is a robust controller built to manage the complex fueling and timing requirements of massive-displacement engines:
- Cummins QSK78 (CM500): Manages the 18-cylinder, 3500+ horsepower requirements found in ultra-class mining trucks and locomotives.
- Cummins QST30 (CM552): Delivers precision control for 12-cylinder engines used in construction, rail, and stationary power applications.
- Advanced Platform Logic: Provides high-speed data processing for real-time engine protection, diagnostics, and performance optimization in harsh field conditions.
II. Why Invest in a NEW 4954430 Controller?
For high-value equipment like the QSK78, choosing a NEW engine computer board over used alternatives is a strategic decision for fleet longevity:
| Zero-Hour Life | No internal wear or thermal fatigue on microprocessors, ensuring a longer service life than remanufactured units. |
| OEM Specifications | Manufactured and tested to original equipment standards for maximum signal accuracy and logic integrity. |
| Extreme Durability | Maximum resistance to the intense vibration, heat, and electrical noise inherent in high-output engine rooms. |
III. Critical Installation & Calibration Guidelines
IMPORTANT TECHNICAL NOTICE:
- Mandatory Programming: This ECM must be programmed with the specific “Flash File” matching your engine’s CPL and application type (e.g., Mining vs. Power Gen).
- Data Verification Required: After purchase, please provide a clear photo of your Original ECM Part Number and Engine Nameplate for compatibility confirmation.
- Specialist Handling: Due to the complexity of QSK78/QST30 wiring, installation by a certified industrial diesel technician is highly recommended.
IV. Your Partner in Industrial Power: liuchuangparts.com
12-Month Warranty
Full one-year coverage on the 4954430 ECM, ensuring rapid repair or replacement for manufacturing defects.
Customer First
We prioritize the pinnacle of reliability to keep your mining trucks, generators, and locomotives running at peak efficiency.

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