256-7512 346-1903 ECM ECU Engine Controller for Caterpillar CAT G3516 G3520 3512B C175
Brand: For Caterpillar (CAT)
Part Numbers: 256-7512, 346-1903, 2567512, 3461903
Applications: Optimized for G3508, G3512, G3516, G3520B/C, and G3600 Series
$1,299.00
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Free Shipping via FedEx, DHL, UPS, or USPS, Yanwen (3-10 Business Days)
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1 Year Warranty, Enjoy a full year of warranty, ensuring long-lasting reliability and peace of mind.
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Product Highlights
Overview
| Brand: | For Caterpillar (CAT) |
|---|---|
| OEM P/N: | 256-7512, 346-1903 |
| Applications: | G3508, G3512, G3516, G3520B/C, G3600 |
Product Details
Expertly Remanufactured 256-7512 346-1903 ECM ECU for CAT G3516 G3520 C175
Maximize the reliability and power output of your large-bore Caterpillar systems with the professionally remanufactured 256-7512 (346-1903) Engine Control Module (ECM). As a mission-critical Electronic Engine Control Unit (ECU), this module serves as the primary processing brain for CAT’s most powerful gas engines and high-displacement industrial units. Whether managing a G3520C generator set or a C175-16 mining engine, this ECM ensures precise fuel timing, ignition control, and advanced diagnostic monitoring.
Comprehensive Compatibility for Global Power & Infrastructure
The 256-7512 controller is a high-performance electronic module designed as a Direct Replacement for heavy-duty Caterpillar applications:
- Gas Engines & Power Generation: Specifically calibrated for G3508, G3512, G3516, and G3520 (B/C/E) gas engines, as well as G3406 and G3412 models.
- Marine & Ocean Transport: Essential for C280-12, C280-16, 3512B/C, and 3516B/C marine engines and propulsion auxiliaries.
- Mining & Petroleum: Optimized for ultra-class C175-16 power systems, 3508C Locomotive engines, and TH48-E80 Petroleum Transmissions.
- Specialized Power: Reliable control for PMG3516 Power Modules and CG137-12 specialized gas engines.
Industrial-Grade Reliability & Rigorous Testing
At liuchuangparts.com, we understand that in the energy and maritime sectors, every minute of downtime equals massive revenue loss. Our 2567512 / 3461903 units are restored to meet or exceed OEM standards:
• Exact Factory Specs: Remanufactured and tested to match original Caterpillar factory parameters for a 100% plug-and-play fit.
• Environmental Shielding: High-strength aluminum housing protects sensitive internal circuitry from intense vibrations and heat fluctuations.
• Strict Quality Verification: Undergoes functional load testing and thermal stress analysis to handle the demands of 3500 and G-series engines.
Why Source From Liuchuang Parts?
| 12-Month Quality Warranty | Full 1-year coverage with professional repair or replacement services. |
| Customer-First Support | Fast response times and technical guidance to get your engines back to peak performance. |
| Global Shipping Solutions | Reliable logistics ensuring high-value electronics arrive safely at your workshop, shipyard, or mine site. |
⚠️ Important: Custom Programming & Data Verification
- Mandatory Programming: This ECM must be programmed with the correct Flash File specific to your ESN. Calibration differs significantly between Gas and Diesel applications.
- Required Documentation: Please provide your ESN and VIN after purchase. Clear photos of the current ECM and engine data plate are required for precise calibration.
- Expert Installation: We highly recommend a certified technician handles the installation to prevent potential electrical damage.
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