NOx Sensor (Nitrogen Oxide Sensor) for Volvo Trucks
Part Numbers: 5WK97371, A2C93782800, 2282799
System Voltage: 24V
Product Overview
The NOx Sensor is a critical emission control component for modern Volvo trucks equipped with Selective Catalytic Reduction (SCR) systems. It precisely measures the concentration of nitrogen oxides (NOx) in diesel exhaust gases and provides real-time feedback to the Engine Control Unit (ECU). This data enables accurate dosing of Diesel Exhaust Fluid (DEF/AdBlue®), ensuring efficient NOx reduction and compliance with Euro IV/V/VI and EPA emission standards.
Key Features
High-Accuracy Measurement
Utilizes advanced electrochemical sensing technology for precise NOx detection.
Maintains stability under extreme exhaust temperatures (up to 900°C) and heavy-duty vibration.
Direct OEM Replacement
Designed to meet Volvo's original specifications for performance and durability.
Plug-and-play compatibility with Volvo truck SCR and CAN bus systems.
Robust Construction
High-temperature ceramic sensor element resistant to thermal shock and contamination.
Integrated heating element ensures rapid activation in cold environments and prevents condensation.
IP67-rated connector for waterproof and dustproof protection.
Smart Communication
Communicates via CAN bus (J1939 protocol) for real-time data transmission to the ECU.
Built-in diagnostic capability for early fault detection.
Technical Specifications
Parameter | Specification |
|---|
Part Numbers | 5WK97371, A2C93782800, 2282799 |
Voltage | 24V DC (Heavy-Duty Truck System) |
Measurement Range | 0–2,500 ppm NOx |
Output Signal | CAN bus (SAE J1939) |
Operating Temperature | -40°C to +900°C (Exhaust Gas) |
Heater Power | Integrated, for fast cold-start operation |
Connector | OEM-standard, 4-pin or 6-pin |
Compatible Volvo Truck Models
FH Series (FH13, FH16 with D11/D13/D16 engines)
FM/FMX Series (FM9, FM13, FMX13)
VNL/VNR Series (North American models)
Other Volvo trucks with SCR systems (confirm via VIN)
Why This NOx Sensor is Essential
✅ Emission Compliance: Critical for meeting strict global NOx regulations.
✅ Fuel & DEF Efficiency: Prevents over/under-dosing of DEF, optimizing operating costs.
✅ System Protection: Helps avoid SCR catalyst damage and costly repairs.
✅ OEM Reliability: Ensures accurate data and long service life under harsh conditions.
