366-8822 30R-0057 ECM ECU Engine Controller for Caterpillar CAT 374D L 390D 390D L
Brand: For Caterpillar (CAT)
Part Numbers: 366-8822, 30R-0057, 3668822, 30R0057
Applications: Optimized for CAT 374D L, 390D, and 390D L
$2,999.00
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Product Highlights
Overview
| Brand: | For Caterpillar (CAT) |
|---|---|
| OEM P/N: | 366-8822, 30R-0057 |
| Applications: | 374D L, 390D, 390D L |
Product Details
Expertly Remanufactured 366-8822 30R-0057 ECM ECU for CAT 374D L 390D L
Maintain the massive digging power and operational stability of your large-bore Caterpillar excavators with the professionally remanufactured 366-8822 (30R-0057) Engine Control Module (ECM). As a heavy-duty Electronic Engine Control Unit (ECU), this module serves as the primary processing brain for the 374D and 390D series—some of Caterpillar’s most powerful excavation platforms. It is engineered to synchronize high-torque fuel injection with complex hydraulic demand to restore factory-level performance in the most demanding mining environments.
Targeted Compatibility for Ultra-Class Excavators
The 366-8822 controller is a high-precision electronic module designed specifically as a Direct Replacement for:
- Large Excavators: Calibrated for the Caterpillar 374D L, ensuring optimal efficiency during heavy loading and trenching.
- Mining-Grade Platforms: Optimized for the 390D and 390D L, managing the extreme electronic requirements of large-displacement engines under continuous load.
- System Integration: Perfectly replaces failed original units to eliminate engine timing issues, erratic sensor data, and hydraulic-engine communication errors.
Mining-Grade Reliability & Rigorous Testing
At liuchuangparts.com, we understand that for a 390D excavator, downtime equals massive production loss. Our 3668822 / 30R0057 units are restored to meet or exceed original OEM standards:
• Exact Factory Specs: Remanufactured and tested to match original Caterpillar factory parameters for a 100% plug-and-play fit.
• Reinforced Protection: High-strength aluminum housing shields sensitive circuitry from extreme engine heat, intense vibrations, and hazardous dust.
• Strict Performance Verification: Undergoes functional load testing and thermal stress analysis to handle the peak performance demands of large excavators.
Why Source From Liuchuang Parts?
| 12-Month Quality Warranty | Full 1-year coverage with professional repair or replacement services. |
| Expert After-Sales Support | Fast response times and technical guidance to get your “Mining Giants” back into production quickly. |
| Global Shipping Solutions | Reliable logistics ensuring high-value electronics arrive safely at your workshop, mine site, or facility. |
⚠️ Important: Custom 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 technician handles the installation to prevent potential electrical damage.
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