304-5691 3045691 ECM ECUEngine Controller for Caterpillar CAT 966H 980K 140K CX31
Brand: For Caterpillar (CAT)
Part Numbers: 304-5691, 3045691
Application: CAT 966H, 980K Wheel Loaders; 140K, 120K Motor Graders
$1,499.00
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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: | 304-5691, 3045691 |
| Applications: | 966H, 980K, 140K, 120K, CX31, CX35 |
Product Details
Expertly Remanufactured 304-5691 3045691 ECM ECU for CAT 966H 980K 140K CX31
Maximize the reliability and operational efficiency of your Caterpillar machinery with the professionally remanufactured 304-5691 (3045691) Engine Control Module (ECM). As a critical Electronic Engine Control Unit (ECU), this module serves as the primary processing brain for a wide range of CAT assets. Specialized in high-precision transmission control for CX-series systems and engine management, it ensures seamless power delivery for 980K loaders and CX31 petroleum packages alike.
Comprehensive Compatibility for CAT Heavy Equipment
The 304-5691 controller is a high-performance electronic module designed as a Direct Replacement for several mission-critical Caterpillar systems:
- Wheel Loaders & Compactors: Optimized for 950H, 966H, 972H, 980H, and 980K series, plus compact 906H/908H models.
- Motor Graders: Essential for 12K, 120K, 140K, and 160K series, providing stable control for precision grading.
- Transmission Systems: Specifically calibrated for CX28, CX31, and CX35 transmissions, including CX31-C13I and CX35-P800 petroleum packages.
- Earthmoving & Paving: Fits 420E/430E/450E Backhoe Loaders, AP-1000E/1055E Asphalt Pavers, and 613G Scrapers.
Industrial-Grade Reliability & Rigorous Testing
At liuchuangparts.com, we understand that equipment downtime translates directly to financial loss. Our 3045691 units are rebuilt to meet or exceed OEM standards:
• Exact Factory Specs: Remanufactured and tested to match original Caterpillar factory parameters for a 100% Direct Replacement fit.
• Environmental Resilience: High-strength aluminum housing shields circuitry from massive vibrations, extreme heat, and industrial dust.
• Strict Quality Verification: Undergoes functional load testing and thermal stress analysis to handle complex transmission configurations.
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 machines back into the production cycle. |
| Global Shipping Solutions | Reliable logistics ensuring high-value electronics arrive safely at your workshop or job site. |
⚠️ 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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