458-7273 20R-7984 ECM ECUEngine Controller for Caterpillar CAT 420F2 430F2 D5K2 C4.4
Brand: For Caterpillar (CAT)
Part Numbers: 458-7273, 20R-7984, 4587273, 20R7984
Applications: Optimized for 416F2, 420F2, 430F2, 440, 450 Series
$1,699.00
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Product Highlights
Overview
| Brand: | For Caterpillar (CAT) |
|---|---|
| OEM P/N: | 458-7273, 20R-7984 |
| Applications: | 416F2, 420F2, 430F2, 440, 450 |
Product Details
Expertly Remanufactured 458-7273 20R-7984 ECM ECU for CAT 420F2 430F2 C4.4
Keep your Caterpillar F2-series and M-series equipment at peak productivity with the professionally remanufactured 458-7273 (20R-7984) Engine Control Module (ECM). As a high-performance Electronic Engine Control Unit (ECU), this module acts as the primary processing brain for CAT’s sophisticated C4.4 engine platform. Whether managing the complex hydraulic cycles of a 420F2 Backhoe Loader or the precision grading of a D5K2 Dozer, this ECM ensures seamless integration and maximum fuel efficiency.
Comprehensive Compatibility for Modern CAT Fleets
The 458-7273 controller is a mission-critical electronic module designed as a Direct Replacement for several modern Caterpillar series:
- F2 Series Backhoe Loaders: Specifically calibrated for 416F2, 420F2, 428F2, 430F2, 432F2, 434F2, 444F2, 440, and 450 models.
- Compact Wheel Loaders: Optimized for the M-Series, including the 910M, 914M, and 918M.
- Track-Type Tractors: Essential for D3K2, D4K2, and D5K2 (LGP & XL) dozers.
- Paving & Compaction: Fits CB13, CB15, CB16 asphalt compactors and CB-64B to CB-68B vibratory rollers.
- Power Systems: Reliable management for C4.4 Industrial Engines and LC31XX Generators.
Industrial-Grade Reliability & Rigorous Testing
At liuchuangparts.com, we know that equipment uptime is your bottom line. Our 4587273 / 20R7984 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.
• Advanced Environmental Resilience: High-strength aluminum housing shields internal circuitry from engine heat, vibrations, and dust.
• Strict Quality Verification: Undergoes load testing and thermal stress cycles to handle Tier 4 Final/Stage IV engine demands without failure.
Why Source From Liuchuang Parts?
| 12-Month Quality Warranty | Full 1-year coverage with professional repair or replacement services. |
| Customer-First Commitment | Fast response times and technical guidance to get your machines back on the job site quickly. |
| Global Shipping Solutions | Reliable logistics ensuring high-value electronics arrive safely at your workshop 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 calibration.
- Expert Installation: We highly recommend a certified technician handles the installation to prevent potential electrical damage.

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