3944105RX Preview Image
Isometric 3944105RX Image 1
Front 3944105RX Image 3
Top 3944105RX Image 4
Left 3944105RX Image 5
Right 3944105RX Image 6
Back 3944105RX Image 7
Bottom 3944105RX Image 8

3944105RX
Electronic Control Module
Cummins®

BACK ORDERED

Please contact us for information on lead time

Cummins®
$2,899.95 $3,450.94
Refundable Core Charge: $769.95
Genuine OEM Part

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.

Manufacturer Warranty*
DESCRIPTION
The Electronic Control Module (ECM) is a crucial component in modern trucks, responsible for controlling the engine's performance by regulating fuel injection, ignition timing, and other critical functions. The ECM constantly monitors various sensors throughout the vehicle to ensure optimal performance and efficiency. It also stores diagnostic trouble codes that can be accessed with specialized equipment to help diagnose any issues that may arise. The 3944105RX is a specific part number for an ECM used in certain truck models, designed to meet industry standards and provide reliable performance.
RELATED PARTS
New Part Equivalent
3944105

SPECIFICATIONS

Package Dimensions
10.8 x 7.3 x 3.8 in
Weight
2.75 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.

Frequently Asked Questions

Have a question? Find common inquiries about parts and procedures with the link below.

FAQ PAGE

Get in Touch

Something specific? Our support team is ready to assist you with whatever you may need.

Drop us a line. 1-800-466-1571

fast

Fast Delivery

We offer same day fulfillment Mon-Fri until 5pm EST.

Genuine

Genuine Product

We only sell real OEM truck parts designed specifically for your truck.

Trust

Trusted Experience

We're a fourth generation truck dealership family operating in Los Angeles since 1922.