322-3612 3223612 ECM ECU Engine Controller for Caterpillar CAT 3512B 3516C 793D C280
Brand: For Caterpillar (CAT)
Part Number: 322-3612, 3223612
Applications: C280-12, C280-16, 3606, 3608, and 3616 Marine Engines
$1,299.00
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Product Highlights
Overview
| Brand: | For Caterpillar (CAT) |
|---|---|
| OEM P/N: | 322-3612, 3223612 |
| Applications: | C280-12, C280-16, 3606, 3608 |
Product Details
Professional 322-3612 3223612 ECM ECU for CAT 3516B 3512C 793D
Ensure the relentless power and reliability of your mission-critical Caterpillar systems with the professionally remanufactured 322-3612 (3223612) Engine Control Module (ECM). As a specialized Electronic Engine Control Unit (ECU), this module serves as the primary processing brain for CAT’s most powerful large-bore engine families, including the 3500B/C, 3600, and C280 series. It ensures precise fuel injection, timing control, and advanced diagnostic monitoring for high-altitude mining and marine propulsion.
Broad Compatibility for Critical CAT Infrastructure
The 322-3612 controller is a high-performance electronic module designed as a Direct Replacement for heavy-duty Caterpillar applications:
- Mining & Heavy Hauling: Optimized for Caterpillar 785D and 793D trucks, and the 994F Wheel Loader, managing complex engine-to-transmission synchronization.
- Marine & Ocean Transport: Specifically calibrated for C280-6, C280-8, C280-12, and C280-16 marine engines, plus 3600-series propulsion units.
- Oilfield & Energy: Essential for 3512C/3516C Petroleum Engines and SPF343C Pumpers, built for variable drilling and fracking loads.
- Power Modules: Reliable control for PM3512, PM3516, and PP3516 Generator Power Modules.
Industrial-Grade Reliability & Rigorous Testing
At liuchuangparts.com, we understand that in the energy and mining sectors, downtime is the ultimate enemy. Our 3223612 units are restored to meet or exceed original OEM standards:
• Direct Replacement Fit: Remanufactured to match original Caterpillar factory parameters for a 100% plug-and-play fit with your machine’s wiring harness.
• Environmental Shielding: High-strength aluminum housing shields internal circuitry from intense engine heat, heavy vibration, and industrial moisture.
• Quality Verification: Undergoes functional load testing and thermal stress analysis to handle the peak demands of 3500-series and C280 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: Programming & Data 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 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 CAT technician handles the installation to prevent potential electrical damage.

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