Product Title
NOx Sensor Nitrogen Oxide Sensor 5WK96660C 1889126 1810704 for DAF Truck Kenworth Peterbilt Diesel Emission System

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

Vehicle applications include:
DAF CF
DAF XF
Kenworth T680
Peterbilt 579
Peterbilt 389
Other trucks using part numbers 5WK96660C / 1889126 / 1810704

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 DEF dosing adjustment.

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

Q3: Is part number matching required?
A3: Yes, exact matching of 5WK96660C / 1889126 / 1810704 is required for correct compatibility.

Q4: Are DAF, Kenworth, and Peterbilt using the same sensor?
A4: Yes, many of these platforms share SCR system components across different brands and engines.

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