Fitment
Compatible with Cummins diesel emission systems (SCR / heavy-duty applications)

Vehicle applications include:
Cummins ISB / ISC / ISL / ISX engine platforms
Freightliner / Kenworth / Peterbilt trucks using Cummins SCR systems
DAF trucks with Cummins-based emission configurations
Other 24V diesel vehicles using part number 4984577 / 5WK96720B

FAQ

Q1: What is the function of this NOx sensor?
A1: It measures nitrogen oxide levels in diesel exhaust and sends data to the SCR system for emission control and AdBlue dosing adjustment.

Q2: Where is this sensor installed?
A2: It is installed in the exhaust aftertreatment system, typically at inlet or outlet positions depending on SCR configuration.

Q3: Is this a 24V sensor?
A3: Yes, this model is commonly used in 24V heavy-duty diesel systems.

Q4: Is part number matching required?
A4: Yes, exact matching of 4984577 / 5WK96720B is required for correct compatibility.

Q5: What are common failure symptoms?
A5: Engine warning light, SCR system fault codes, NOx sensor communication errors, or reduced engine performance mode.