059907807J / 5WK97229 NOx Sensor for VW Touareg 3.0 TDI & Audi A4 A5 A6 A7 A8 – OEM Replacement Guide
059907807J / 5WK97229 NOx Sensor Overview
The 059907807J / 5WK97229 NOx Sensor is a precision Nitrogen Oxide (NOx) sensor engineered for VW and Audi diesel engines, ensuring emissions are monitored and controlled according to strict Euro 5 and Euro 6 standards.
It plays a crucial role in the Selective Catalytic Reduction (SCR) system, ensuring your vehicle maintains low emissions and optimal fuel efficiency.
At AutoMan Spare Parts, we supply genuine OEM NOx sensors compatible with leading European models. As the No.1 online supplier of OEM nitrogen oxide sensors in the USA & UK, we guarantee high-quality performance and competitive pricing.
Key Features of 059907807J / 5WK97229 NOx Sensor
| Feature | Description |
|---|---|
| OEM Part Numbers | 059907807J / 5WK97229 |
| Sensor Type | Nitrogen Oxide (NOx) Sensor |
| Function | Measures NOx levels in exhaust gases to optimize SCR and emission control |
| Compatibility | VW Touareg, Audi A4, A5, A6, A7, A8 (3.0 TDI engines) |
| Installation Location | Downstream (after catalytic converter) |
| Operating Temperature Range | Up to 800°C |
| Build Quality | Stainless steel probe, OEM-grade connectors |
| Warranty | 12-month limited warranty |
Why Choose the 059907807J / 5WK97229 NOx Sensor
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OEM-Quality Precision: Designed to match factory specifications for perfect fit and function.
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Improved Fuel Economy: Ensures optimal combustion by adjusting the air-fuel ratio.
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Emission Compliance: Helps your car pass emission tests and avoid check-engine lights.
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Extended SCR System Life: Protects the catalytic converter and EGR components.
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Plug & Play Fitment: Simple installation with OEM-style connectors.
Compatibility Table
| Vehicle Make | Model | Engine | Year Range | OEM Part Numbers |
|---|---|---|---|---|
| Volkswagen (VW) | Touareg | 3.0 TDI | 2011–2018 | 059907807J / 5WK97229 |
| Audi | A4 | 3.0 TDI | 2008–2016 | 059907807J / 5WK97229 |
| Audi | A5 | 3.0 TDI | 2008–2017 | 059907807J / 5WK97229 |
| Audi | A6 | 3.0 TDI | 2008–2018 | 059907807J / 5WK97229 |
| Audi | A7 | 3.0 TDI | 2010–2018 | 059907807J / 5WK97229 |
| Audi | A8 | 3.0 TDI | 2010–2017 | 059907807J / 5WK97229 |
Symptoms of a Faulty NOx Sensor
| Symptom | Possible Impact |
|---|---|
| Check Engine Light | Indicates emissions fault |
| Poor Fuel Economy | Sensor sends inaccurate data |
| High NOx Emissions | Engine not running efficiently |
| Reduced Engine Power | ECU activates limp mode |
| Failed Emission Test | Due to incorrect NOx readings |
Installation & Maintenance Tips
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Always disconnect the battery before replacing the sensor.
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Use OEM-compatible tools to avoid damaging the connectors.
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Reset the ECU fault codes after installation.
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Check the exhaust wiring harness for corrosion or damage.
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Regularly inspect your SCR system and AdBlue levels.
Why Buy from AutoMan Spare Parts
At www.automanspareparts.com, we specialize in OEM and aftermarket NOx sensors for all major brands including Audi, Volkswagen, BMW, Mercedes-Benz, and more.
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No.1 in the USA for OEM Nitrogen Oxide Sensors
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Fast global shipping to USA, Mexico, UAE, and Europe
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Bulk and wholesale options available
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Quality guarantee on all parts
FAQ
Q1: What does the NOx sensor do in my Audi or VW?
A: It measures nitrogen oxide levels in exhaust gases, sending data to the ECU to optimize the SCR system and reduce emissions.
Q2: How do I know if my NOx sensor has failed?
A: Common signs include the check engine light, reduced power, poor fuel efficiency, or failed emissions tests.
Q3: Can I clean and reuse a NOx sensor?
A: No. Once contaminated or faulty, the sensor should be replaced to restore accurate readings.
Q4: Is the 059907807J sensor interchangeable with other codes?
A: It can cross-reference with 5WK97229 and a few equivalent OEM variants depending on the vehicle ECU calibration.
Q5: Do you offer international shipping?
A: Yes, AutoMan Spare Parts ships globally, including to the USA, Mexico, and Europe.
TL;DR Summary
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Part Numbers: 059907807J / 5WK97229
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Compatible Vehicles: VW Touareg 3.0 TDI, Audi A4–A8 3.0 TDI
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Function: Monitors exhaust NOx emissions
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Symptoms of Failure: Check engine light, low power, poor fuel economy
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Buy OEM Quality: Available now at AutoManSpareParts.com — No.1 for NOx Sensors in the USA
