Fitment
Compatible with heavy-duty diesel SCR emission systems

Vehicle applications include:
Peterbilt 579 diesel models
Kenworth T880 diesel models
International LoneStar diesel models
Other heavy-duty trucks using part number 3687930

FAQ
Q1: What is the function of this NOx sensor?
A1: It measures nitrogen oxide levels in diesel exhaust for SCR emission system control.

Q2: Where is this sensor installed?
A2: It is installed in the exhaust system, typically before or after the SCR catalytic system.

Q3: Is part number matching required?
A3: Yes, exact part number matching is required for correct compatibility.

Q4: What are common failure symptoms?
A4: Engine warning lights, SCR system fault codes, or reduced engine performance mode.

Q5: Are Peterbilt and Kenworth using the same sensor?
A5: Compatibility depends on emission system configuration and part number, not only truck brand.