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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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4954430 ECM ECU Engine Control Unit for Cummins QSK78 CM500 QST30 CM552

In stock

$1,899.00
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SKU: LCP-4954430
BrandLIUCHUANG
Compatible Model Brand
ConditionRefurbished
MPN4954430
OEM Brand New 4963807 Cummins ISM QSM CM876 Engine Control Unit ECM
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4963807 ECM ECU Engine Control Unit for Cummins ISM QSM CM876 Controller

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$999.90
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SKU: LCP-4963807
BrandLIUCHUANG
Compatible Model Brand
ConditionRefurbished
MPN4963807
Remanufactured 4988820 Cummins ISB 6.7L ECM for Komatsu PC200-8 PC78US-8 Excavator
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4988820 ECM ECU Engine Control Module for Cummins ISB 6.7L QSB3.3 CM2150 Komatsu PC200-8

In stock

$550.00
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SKU: LCP-4988820
BrandLIUCHUANG
Compatible Model Brand
ConditionRefurbished
MPN4988820
Brand New 4993120 Cummins ECM Engine Control Unit for ISX15 ISB6.7 CM2250
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4993120 ECM ECU Engine Control Module for Cummins ISB ISL ISX CM2250 PACCAR PX6 PX8

In stock

$1,999.00
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SKU: LCP-4993120
BrandLIUCHUANG
Compatible Model Brand
ConditionRefurbished
MPN4993120
OEM Remanufactured 4995445 Cummins ECM Engine Control Unit for QSK38 K38 CM2150E
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4995445 ECM ECU Engine Control Unit for Cummins K38 QSK38 GTA38 CM2150E

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$499.90
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SKU: LCP -4995445
BrandLIUCHUANG
Compatible Model Brand
ConditionRefurbished
MPN4995445
Refurbished 503-4406 EMCP 4.3 generator set monitor display panel for Caterpillar.
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503-4406 20R-9456 EMCP 4.3 Panel for CAT Generator Set Monitor | LIUCHUANG

In stock

$3,999.00
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SKU: LCP-503-4406
BrandLIUCHUANG
Compatible Model Brand
ConditionNew
MPN503-4406
503-4417 EMCP 4.4 control panel generator set monitor display for Caterpillar.
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503-4417 450-9619 EMCP 4.4 Generator Set Monitor Display Panel for Caterpillar G3520

In stock

$4,999.00
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SKU: LCP-53-4417
BrandLIUCHUANG
Compatible Model Brand
ConditionNew
MPN503-4417
Cummins INLINE 7 Adapter 5299899 Data Link with 9.0 Software for heavy-duty engine diagnostics.
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5299899 Inline 7 Adapter Diagnostic Tool with 9.0 Software for Cummins

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$799.00
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SKU: LCP-5299899
BrandLIUCHUANG
Compatible Model Brand
ConditionNew
MPN5299899
New 5317106 Cummins ISX15 ISL ISB ECM Engine Control Unit CM2350
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5317106 ECM ECU Engine Control Unit for Cummins ISF3.8 QSF3.8 Engine Module

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$750.00
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SKU: LCP-5317106
BrandLIUCHUANG
Compatible Model Brand
ConditionRefurbished
MPN5317106
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541-5063 7-inch Color Display Monitor for Caterpillar D3 D4 D5 D6 D8 Tractor

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$1,299.00
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SKU: LCP-464-9981
BrandLIUCHUANG
Compatible Model Brand
ConditionRefurbished
MPN541-5063
NEW 582-6896 ECM Engine Control Module for Caterpillar C6.6 engines, premium heavy equipment part front view.
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582-6896 ECM Controller for Caterpillar CAT C6.6 Engine 963D D6N

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$1,299.00
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SKU: LCP-582-6896
BrandLIUCHUANG
Compatible Model Brand
ConditionRefurbished
MPN582-6896
CAT 586-5305 ECM controller front view connector pins
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586-5305 ECM Controller 544-1834 11R-1252 Remanufactured ECU for CAT 725 730 735 352 355

In stock

$2,999.00
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SKU: LCP-586-5305
BrandLIUCHUANG
Compatible Model Brand
ConditionRemanufactured
MPN586-5305, 544-1834, 11R-1252