Caterpillar 3126 ECM | Remanufactured Engine Control Module

$1,250.00
$1,250.00
$1,250.00

Ships TODAY if you order within:

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In stock

Description for CAT 3126 ECM:

The Caterpillar 3126 ECM is professionally remanufactured and thoroughly tested to restore dependable engine performance in demanding equipment environments. Each module undergoes a detailed inspection, component-level restoration, and full functional validation to ensure consistent operation and long-term reliability. Designed to meet OEM performance standards, this unit provides a cost-effective solution to replace failed or unreliable engine control modules while minimizing equipment downtime.

Each module is programmed using the engine serial number (ESN) to match the correct Caterpillar calibration. This allows for a straightforward installation, with minimal to no additional programming required.

Compatible Part Numbers:

  • 157-3705

Compatible Engine Serial Prefixes:

7JZ, 1AJ, 5GL, 7AS, 8YL, CKM, CRP, HEP, DPF

Testing & Quality Assurance:

Each ECM undergoes comprehensive diagnostics, internal inspection, and functional validation using specialized testing equipment to ensure consistent performance prior to shipment.

Warranty Information

All CATA Electronics modules are backed by a one-year warranty covering defects in materials and workmanship under normal operating conditions. Each unit is professionally remanufactured and tested prior to shipment to ensure reliability and consistent performance. This warranty reflects our commitment to quality and dependable operation in heavy-duty and industrial applications.

Programming Disclaimer

Each module is programmed and calibrated to OEM engine specifications based on the information provided at the time of order. Due to variations in equipment configuration, chassis systems, optional features, or aftermarket modifications, additional programming or setup may be required during installation to ensure full functionality within the specific application.

Core Requirements

This product is sold on an exchange basis and requires the return of a rebuildable core. The original ECM must be returned within the specified core return period to avoid additional core charges. Cores must be complete, unmodified, and free from excessive physical damage such as severe corrosion, impact damage, or missing components.
Caterpillar 3126 ECM | Remanufactured Engine Control Module

$1,250.00

Programmed

Factory Engine Calibration

Pre-configured using VIN, ESN, or engine data to support proper communication and operation within the intended application.

Tested

Validated in Our Lab

Each module is inspected, validated, and functionally verified prior to shipment to support reliable operation.

Is this ECM programmed before shipping?

Yes. Each module is programmed and calibrated to OEM engine specifications using the original part number and application information provided at the time of order.

How do I confirm this part is compatible with my equipment?

Compatibility should be verified using the original part number and engine details. Matching the part number is the most accurate method to ensure proper fitment and communication.

When will my order ship?

In-stock modules ordered before 2:00 PM (local time) ship the same business day. Orders placed after the cutoff will ship the next business day. Delivery time will vary based on carrier selection and location.

What if the ECM does not resolve my issue?

All ECMs are professionally remanufactured and functionally tested before shipment. If the issue remains, further equipment diagnosis is recommended to confirm the ECM is the root cause. We can reassess returned modules through our testing and inspection process to verify functionality in line with warranty guidelines.

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