Buy Genuine Cummins Fuel Control Module - 12 L - ISX/QSX - wisentpartscenter.com

Description

The Genuine Cummins Fuel Control Module 5664261 regulates natural gas fuel delivery in select Cummins 12L engines. It helps maintain proper fuel flow for consistent engine performance and operation.

Fitment / Applications

- Engine Manufacturer: Cummins
- Engine: ISX12N 12L Natural Gas
- Engine Family: 12L ISX/QSX, EPA17 applications
- Engine Control System: CM2380 X120B
- Application Years: 2018–2024
- Fuel Type: Natural Gas / CNG

What's Included

1 × Fuel Control Module Assembly

Note: Verify fitment with us before ordering to ensure the correct part for your application.

Purpose of the Part

The Fuel Control Module regulates the flow of natural gas supplied to the engine. It helps deliver the appropriate amount of fuel based on engine demand, supporting smooth operation, consistent power, and efficient performance.

Issue Symptoms / When to Replace

Possible signs of fuel control module problems may include:

- Hard starting or failure to start
- Rough idle or unexpected engine stalling
- Reduced engine power or inconsistent acceleration
- Fuel control-related warning lights or fault codes

These symptoms may also result from fuel pressure, wiring, or other engine issues. Proper diagnosis is recommended before replacement.

Brand Information

Cummins is a global manufacturer of engines and power systems for commercial and industrial applications. Its natural gas engine technology includes advanced fuel control components designed to support efficient operation and emissions control in heavy-duty vehicles.

Installation Notes

- Fuel Pressure: Check the natural gas supply pressure and fuel system for restrictions before replacement.
- Gas System Safety: Installation must follow Cummins CNG service procedures, including safe depressurization and leak testing.

How to Identify an OEM Part

Look for the raised stylized E logo cast into the metal housing and matching manufacturer identification labels, including the CFV marking, as shown in the photos.

Why Buy 5664261 From Wisent Parts Center?

  • 1 Year
    Warranty

  • Genuine Parts

    Authentic OEM parts

  • Final Sale

    Returns not accepted

Shop with confidence

Warranty & Return Information
Warranty Information

Wisent Parts offers a 1-year warranty on all parts from the date of delivery. This warranty covers orders placed directly through our website. If a part fails during this period, we’re here to help - whether it’s a replacement, repair, or refund. For full details, refer to the Warranty page.

Return Information

This part is sold as a final sale item and cannot be returned or refunded, including if it was ordered in error. Please confirm fitment before ordering - send us your VIN, engine serial number, or original part number and we will verify it for you. For full details, please refer to the Returns page.