The A0101531428 is a heavy-duty, high-precision Nitrogen Oxide (NOx) Sensor (Aftermarket Replacement) engineered specifically for Mercedes-Benz commercial vehicles (including the Actros, Arocs, and Atego series). Manufactured to accurately measure the NOx concentration in the exhaust gas, it provides critical data to the vehicle’s ECU to verify the overall efficiency of the SCR (Selective Catalytic Reduction) system. Featuring a precise 590mm cable length, this sensor ensures a direct physical fitment, helping to meet strict environmental standards and preventing costly Limp Mode downtime.

🌟 Premium Engineering Features:

• Proprietary Core Chip: Equipped with an in-house developed sensing chip, ensuring strict quality control from the source to the final product.

• Superior Accuracy & Stability: Delivers highly stable signals with strong anti-interference capabilities, guaranteeing precise NOx readings even in the harshest exhaust environments.

• Ultra-Fast Response: Instantly communicates with the vehicle’s ECU to regulate urea (AdBlue) injection rapidly, preventing emission-related derating.

📊 Comprehensive Part Number Cross Reference

(Data verified – 100% Interchangeable with the following superseded/alternate numbers)

🚛 Fits Applications (Engine & Vehicle)

(Please verify your exact OE part number before purchasing)

👨‍🔧 Tech Notes & Installation Guide

• ⚠️ Critical Fitment Check (OE Number & Cable Length):

  Commercial vehicle exhaust layouts vary significantly. This specific sensor features a 590mm cable. To ensure correct fitment and ECU communication, you MUST verify that your original sensor’s OE part number matches A0101531428 or Continental 5WK9 7329A before purchasing.

• ✅ Clear Fault Codes First:

  After installation, you MUST use an OBD diagnostic tool to clear all previous SCR/NOx fault codes stored in the vehicle’s ECU. Failing to perform this reset will keep the truck in Limp Mode (reduced engine power).

• ⚠️ System Maintenance:

  A failed NOx sensor can sometimes be a symptom of underlying SCR blockages. Inspect the AdBlue/DEF doser and exhaust pipes for severe soot or urea crystallization buildup before installing the new sensor to prevent immediate contamination.

🔍 Explore More Heavy Duty Parts:

• Browse our complete selection of NOx Sensors to find the exact match for your entire fleet.

⚖️ Legal Disclaimer

Part numbers, OE numbers, and brand names (e.g., Mercedes-Benz, Continental) mentioned above are for reference and identification purposes only. This product is a compatible aftermarket replacement part and is NOT manufactured, sponsored, or affiliated with the original equipment manufacturers.