Keep Emissions in Check with Cummins X15 ISX15 NOx Sensor 2013–2021 OEM 5462441
What is it?
The NOx Sensor (OEM 5462441) is a key emissions monitoring component for the Cummins X15 and ISX15 engine series (model years 2013–2021). It continuously measures nitrogen-oxide levels in the exhaust stream, providing crucial data to the engine management system for proper after-treatment performance.
Why choose this sensor?
Specifically built for the 2013–2021 Cummins X15 and ISX15 engines, this sensor ensures accurate emissions monitoring and system reliability. A failing or inaccurate NOx sensor can trigger fault codes, derate the engine, or cause failed emissions tests. Replacing it with a genuine OEM part restores correct readings and helps your system function properly.
Key Benefits
✅ Accurately monitors NOx levels for compliant emissions control
✅ Helps prevent engine derate, fault codes, and compliance failures
✅ Built to endure high-temperature exhaust environments and long service cycles
✅ Direct-fit replacement—no modifications required
✅ Maintains OEM specifications for emissions system integrity
Applications
Perfect for heavy-duty trucks equipped with Cummins X15 or ISX15 engines (2013–2021) that rely on precise emissions monitoring and reliable after-treatment performance.
Installation Notes
Before installation, ensure the exhaust system upstream of the sensor is clean and free of debris or soot buildup to avoid contamination. Replace sealing washers and ensure the sensor connector is secured properly. After installation, clear fault codes and monitor system diagnostics to confirm accurate NOx readings.
Final Thoughts
If your engine is showing fault codes, derating, or alerted for emissions sensor issues, the OEM 5462441 NOx Sensor is the essential replacement you need. With factory-matched fitment and dependable design, it keeps your emissions system precise and your truck ready for the road.

