The NOx sensor accurately monitors the levels of NOx gases in the exhaust. It is ideal for those who want to optimize the operation of their vehicle’s SCR (Selective Catalytic Reduction) and EGR (Exhaust Gas Recirculation) systems.
This sensor is made according to OEM standards, and provides high resistance to vibration, corrosion and temperature. It is a perfect part to replace the original, for Euro 4/5 diesel trucks to stay emission legal and to drive efficiently.
Specifications
OEM Replacement: Fits the following OEM part numbers: 4326870, 5WK96740B, and other equivalent numbers for direct replacement.
High Accurate NOx Sensor:** The NOx sensor can detect the concentration of nitrogen oxides in the exhaust gas with high accuracy, for fine control of SCR.
12V Heavy Duty NOx Sensor: The sensor is specially designed for the 12V systems used in Mercedes-Benz trucks, ensuring full electrical compatibility.
Top-Quality Durability:** The stainless steel sensor and the heat-resistant reinforced connectors offer maximum resistance to heat, vibration, and corrosion.
Plug-and-Play Installation: Factory style plug and direct fitment – installation is simple and does not require modifications or reprogramming.
Technical Specifications
| Parameter | Details |
|---|---|
| OE Number | 4326870 |
| Model Number | 5WK96740B |
| Brand Name | OEM |
| Type | Nitrogen Oxide (NOx) Sensor |
| Voltage | 12V |
| Condition | 100% New |
| Application | Mercedes-Benz Truck Exhaust System |
| Quality | 100% Tested |
| Warranty | 12 Months |
| Origin | Guangdong, China |
| Delivery Time | 7–15 Days |
| Packing | Neutral / Customer Customized |
| Size | Standard |
Compatible Vehicles
This NOx sensor fits multiple Mercedes-Benz heavy truck models, including:
| Make | Model | Year Range | Engine |
|---|---|---|---|
| Mercedes-Benz | SK Series | 1987.07–1996.09 | 4050 A (368KW, 500PS), 3553 AK (390KW, 530PS) |
| Mercedes-Benz | NG Series | 1973.08–1991.11 | 2626, 2636, 3333 S (260KW, 355PS) |
| Mercedes-Benz | T2/L Series | 1959.01–1995.01 | LK 2628, LS 2624 (206KW–250PS) |
| Mercedes-Benz | SK / NG Trucks | 1980–1996 | 2644, 2648, 2650, 3548 (435–503PS engines) |
✅ Ideal for replacing faulty or damaged NOx sensors on Euro 4/5 Mercedes-Benz diesel trucks.
Benefits
✅ Maintains Euro emission compliance
✅ Improves fuel efficiency and engine performance
✅ Extends SCR and catalytic converter lifespan
✅ Reduces nitrogen oxide (NOx) emissions effectively
✅ Ensures precise ECU data for better combustion control
Packaging & Delivery
Packaging: Individual anti-static bag + foam + export carton
Net Weight: Approx. 0.45 kg
Box Size: 23 × 10 × 4 cm
Delivery Time: 7–15 working days
Warranty: 12 months
Advantages of Choosing Our OEM NOx Sensors
Our NOx sensors match OEM quality and are 100% factory tested to guarantee:
Signal accuracy
Thermal resistance
Voltage stability
Plug compatibility
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