252-2422 2522422 ECM ECU Engine Controller for Caterpillar CAT 966H CX31 CX35 AP-655D
Brand: For Caterpillar (CAT)
Part Numbers: 252-2422, 2522422
Applications: Specifically for CX28, CX31, and CX35 On-Highway Transmissions
$1,299.00
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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
| OEM P/N: | 252-2422, 2522422 |
|---|---|
| Applications: | CX28, CX31, CX35 |
Product Details
Professional 252-2422 2522422 ECM ECU for Caterpillar CAT 966H CX31 CX35
Keep your Caterpillar on-highway transmissions and road construction equipment at peak productivity with the professionally remanufactured 252-2422 (2522422) Engine Control Module (ECM). As a sophisticated Electronic Engine Control Unit (ECU), this module acts as the primary processing brain for CAT’s CX-series transmissions and specialized paving machinery. It is engineered to manage high-precision gear shifting, hydraulic synchronization, and real-time diagnostic monitoring for factory-level efficiency.
Targeted Compatibility for Transportation & Paving
The 252-2422 controller is a mission-critical electronic module designed as a Direct Replacement for:
- On-Highway Transmissions: Optimized for Caterpillar CX28, CX31, and CX35 transmission systems, ensuring smooth power delivery and fuel-efficient gear management.
- Road Construction: Essential for AP-600D and AP-655D Asphalt Pavers, as well as the AS2252C Asphalt Screed, coordinating engine output with paving precision.
- Loading & Earthmoving: Reliable control for the legendary 966H Wheel Loader, managing the electronic interface between the engine and drivetrain.
Industrial-Grade Reliability & Rigorous Testing
At liuchuangparts.com, we understand that in asphalt paving and heavy hauling, downtime means missed deadlines. Our 2522422 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.
• Environmental Resilience: High-strength aluminum housing shields circuitry from intense vibration, heat fluctuations, and industrial dust.
• Performance Verification: Undergoes functional load testing and thermal stress analysis to handle the demands of CX-series transmissions.
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 quickly. |
| Global Shipping Solutions | Reliable logistics ensuring high-value electronics arrive safely at your workshop or job site. |
⚠️ Important: Programming & Data Verification
- Mandatory Programming: This ECM must be programmed with the correct Flash File specific to your Engine Series Number (ESN). Configuration differs between Transmission and Engine applications.
- Required Data: 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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