The Walker Products Nitrogen Oxide (NOx) Sensor (part number 1004-1023) is a direct-fit replacement for 2010-2024 Alexander Dennis, American LaFrance, Autocar LLC., and Blue Bird vehicles with 14.9L engines. NOx sensors in vehicle exhaust systems measure nitrogen oxide emissions, aiding ECM in emissions control for compliance with environmental regulations and ensuring efficient operation of systems like Selective Catalytic Reduction (SCR)
Features:
- Accurate Emission Control – Delivers precise NOx readings to help maintain peak SCR system efficiency and lower emissions.
- Engineered for Precision – Features advanced sensing technology and exact OE materials for consistent, high-accuracy NOx detection in extreme conditions.
- Fleet-Tested Reliability – Proven in demanding commercial and diesel applications for reduced downtime and fewer replacements.
- Plug-and-Play Installation – Designed for direct OE replacement, reducing install time and eliminating compatibility issues.
Specifications:
| Number of Terminals | 4 |
| Connector Type | Blade |
| Connector Shape | Square |
| Connector Gender | Male |
| Terminal Gender | Female |
| Fit Type | Direct Fit |
Fits: 2010-2024 Alexander Dennis, American LaFrance, Autocar LLC., Blue Bird, and Capacity Of Texas models including Enviro200, Condor, Xpeditor, Xpert, Xspotter Off Road, Xspotter On Road, All American FE, All American RE and more — 14.9L engines.
Confirm the year, make, model, and engine against your vehicle before ordering. Full application data is shown in the fitment lookup on this page.
Fitment Notes: 12 Volt Sensor, SNS141
Interchanges With: Cummins 4326874, Cummins A045S171, Cummins 2872946, Cummins A034M375
WARNING: This product can expose you to chemicals, including Nickel and Nickel Alloyed Stainless Steel, which are known to the State of California to cause cancer or birth defects or other reproductive harm.
