Genuine Cummins 5299780 NOx Sensor Pigtail Connector
SKU 5299780
In stock: 2 available · Ships from Kelowna BC
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Genuine Cummins 5299780 NOx Sensor Pigtail Connector
The Genuine Cummins 5299780 is an electrical repair connector — specifically a 4-pin NOx sensor pigtail wire harness — for Cummins SCR aftertreatment systems used in Freightliner Cascadia, Kenworth T680, and Peterbilt 579 trucks. This OEM Cummins part is stocked in Kelowna, BC and ships Canada-wide.
Specifications
- Part Number: 5299780
- Type: Electrical Repair Connector / NOx Sensor Pigtail
- Pin Count: 4-pin
- Application: Cummins SCR aftertreatment NOx sensor circuit
Fitment
Fits the following trucks equipped with Cummins SCR aftertreatment:
- Freightliner Cascadia (with Cummins engine)
- Kenworth T680 (with Cummins engine)
- Peterbilt 579 (with Cummins engine)
FAQ
What is the 5299780 used for?
This connector repairs the wiring harness at the NOx sensor connection in Cummins SCR aftertreatment systems, restoring proper electrical contact without replacing the entire harness.
How do I know if I need to replace this connector?
If you have active SCR/NOx sensor fault codes and find damaged, corroded, or broken terminals at the NOx sensor connector, replacing this pigtail connector is the correct repair procedure per Cummins service guidelines.
Does this fit all Cummins engines with SCR?
This specific connector is confirmed for Freightliner Cascadia, Kenworth T680, and Peterbilt 579 applications. Confirm with your Cummins service manual or engine serial number before ordering.
Do you ship to my location?
Yes. AIM Rentals ships Canada-wide from Kelowna, BC.
| Make | Model | Year | Engine / Spec |
|---|---|---|---|
| ["ISX15","X15","Kenworth T680","Peterbilt 579","Freightliner Cascadia"] | |||
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Ships from Kelowna BC after order review.
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