274-1955 10R-5645 ECM ECU Engine Controller for Caterpillar CAT C18 C32 D10T
Brand: For Caterpillar (CAT)
Part Numbers: 274-1955, 10R-5645
Applications: CAT C13, C15, C18, C27, C32
$1,899.00
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Bench-Tested - Every unit powered up and function-tested before dispatch.
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6-Month Warranty - From delivery, against defects in materials and workmanship.
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30-Day Returns - Unused items in original packaging. RMA required.
Expertly Remanufactured 274-1955 10R-5645 ECM Controller for CAT C18 C32 & Mining
Maximize the performance and operational lifespan of your high-horsepower Caterpillar assets with the professionally remanufactured 274-1955 (10R-5645) Engine Control Module (ECM). As the primary Electronic Engine Control Unit (ECU) for CAT’s flagship industrial and marine engines, this module acts as the central processing brain responsible for high-precision fuel injection timing, diagnostic monitoring, and real-time engine protection.
Wide-Spectrum Application for Mission-Critical CAT Machinery
The 274-1955 controller is a heavy-duty electronic module designed for the most demanding applications in the world. It serves as a Direct Replacement for:
- Mining & Earthmoving: Optimized for D10T Track-Type Tractors, 992K/993K Wheel Loaders, and 854K Wheel Dozers.
- Marine & Industrial Power: Stable performance for C18 and C32 Marine Engines and high-load industrial C13 setups.
- Petroleum & Energy: Essential for C15 Petroleum Engines, C32 Petroleum Gen Sets, and specialized POWER SYS packages.
- Power Generation: Fully compatible with C18, C27, and C32 Generator Sets and SR4 Generators.
Industrial-Grade Reliability & Rigorous Testing
At liuchuangparts.com, we understand that in petroleum and mining, reliability is non-negotiable. Our 2741955 / 10R5645 units are restored to meet or exceed OEM standards:
• Precision Calibration: Re-manufactured to original CAT specs to ensure seamless communication with your machine’s sensors.
• Extreme Protection: High-grade aluminum housing dissipates heat and shields circuitry from heavy vibration and moisture.
• Verified Performance: Every module undergoes functional load testing and thermal cycling to handle peak C32 power output.
Why Source From Liuchuang Parts?
| 12-Month Warranty | Full 1-year repair or replacement service included for peace of mind. |
| Customer-First Experience | Fast technical response times and global shipping to minimize your downtime. |
| Cost-Effective Quality | Performance of a new module at a fraction of the cost, maximizing your maintenance ROI. |
⚠️ Important: Programming & Technical Verification
- Mandatory Programming: This ECM must be programmed with the correct Flash File specific to your Engine Series Number (ESN). It is not “plug-and-play.”
- Required Post-Purchase Data: Please provide your ESN and VIN after purchase. Clear photos of the current ECM and engine data plate are required for verification.
- Technician Recommended: We highly recommend installation by an experienced heavy equipment technician to prevent potential electrical damage.

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