Fitment

Fits for:

• Cummins medium-duty diesel engines (ISB / ISC / ISL platforms depending on emission setup)
• Freightliner, International, Kenworth, Peterbilt medium-duty trucks
• Engine: Cummins SCR (AdBlue / DEF) emissions systems
• Position: Exhaust NOx sensor (typically outlet / SCR downstream depending on configuration)
• OE / Cross References: 4326862 / 2897309 / 5WK96751C / SNS751C / A2C12428700-01 / 5WK96751B

FAQ

Q1: Are 4326862 and 5WK96751C the same sensor?
A1: Yes. 4326862 is the Cummins OE number, and 5WK96751C is the sensor reference used for the same NOx sensor module in SCR systems.

Q2: What vehicles use this sensor?
A2: It is commonly used on Cummins medium-duty trucks equipped with SCR (AdBlue) emissions systems such as ISB/ISL-powered Freightliner, International, Kenworth, and Peterbilt models.

Q3: Is this inlet or outlet sensor?
A3: It is most commonly used as an outlet (downstream) NOx sensor in SCR systems, but exact position depends on the aftertreatment layout.

Q4: What does this sensor do?
A4: It measures nitrogen oxide (NOx) levels in exhaust gases and sends data to the ECU to control DEF/AdBlue dosing, helping reduce emissions and maintain SCR efficiency.