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Cummins  |  SKU: 4326872

4326872 | Genuine Cummins® Nox Nitrogen Oxide Sensor For EPA13 15L ISX/QSX

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Part Number: 4326872
Condition: Used In Good Condition
Manufacture/Brand: Cummins
Related Part Numbers: 1954664, 2872942, 2872942NX

Description:
A nitrogen oxide (NOₓ) sensor is a device used in diesel engines (and some gasoline engines) to measure the amount of nitrogen oxides (NO and NO₂) in the exhaust gas. These gases are harmful pollutants and are tightly regulated by emissions laws. Nox Nitrogen Oxide Sensor For EPA13 15L ISX/QSX, work condition, used take-off Kenworth T880 2024 

Fits For Various Kenworth Truck, Cummins EPA13 15L ISX/QSX Engines

Specifications:

Connector Color: Black
Connector Gender: Female
Connector Shape: Square
Terminal Gender: Male
Terminal Quantity: 4
Terminal Type: Blade
Universal Or Specific Fit: Specific
Wire Gauge Measurement: 22 Awg
Wiring Harness Length: 620 mm


Purpose:

It continuously monitors the concentration of NOₓ in the exhaust stream.
Sends this data to the vehicle’s engine control unit (ECU) or aftertreatment control module.

Helps control the Selective Catalytic Reduction (SCR) system, which injects DEF (Diesel Exhaust Fluid) to reduce NOₓ emissions.


Signs of a Bad Nox Sensor:

Check Engine Light or emissions system warnings
Engine derate or limp mode
Poor fuel economy
Failed emissions test
Increased DEF consumption


About the Manufacturer – Cummins:

Cummins is a leading American manufacturer of diesel and natural gas engines, as well as power generation systems and emissions solutions. Founded in 1919 and headquartered in Columbus, Indiana, Cummins is known globally for its durable, high-performance engines used in trucks, buses, construction equipment, agriculture, and power systems.

The brand is widely respected for its innovation in clean diesel technology, including aftertreatment systems, turbochargers, and advanced electronics that help reduce emissions while maximizing engine efficiency and reliability.

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