NOx Sensor for Audi A6 / S6 / A7 / S7 3.0 TDI Quattro – OEM Replacement

High-Quality OEM NOx Sensor for Reliable Emissions Performance

Restore your vehicle's emissions system performance with this premium NOx Sensor, designed for Audi A6, S6, A7, and S7 3.0 TDI Quattro diesel models. Manufactured to OEM specifications and fully tested for quality and reliability, this sensor helps maintain optimal engine efficiency, fuel economy, and emissions compliance.

A faulty NOx sensor can trigger engine warning lights, increase fuel consumption, and affect overall vehicle performance. This replacement sensor provides a dependable solution for restoring proper operation.

Key Features

Designed for Audi A6, S6, A7, and S7 3.0 TDI Quattro models
OEM-quality replacement NOx sensor
Direct-fit installation
Helps reduce harmful emissions
Supports optimal fuel efficiency
Improves engine management system performance
Resolves common NOx sensor fault codes
100% tested before shipping
Durable construction for long service life
Suitable for replacement and repair applications

Product Description

This OEM NOx Sensor is engineered to meet or exceed original equipment specifications, ensuring reliable performance and seamless compatibility with Audi diesel vehicles. It continuously monitors nitrogen oxide levels in the exhaust system, allowing the engine control unit to optimize combustion and emissions control.

When a NOx sensor fails, it may cause warning lights, reduced engine performance, increased fuel consumption, and emissions-related faults. Replacing a defective sensor with this high-quality OEM replacement helps restore proper vehicle operation and maintain compliance with emissions standards.

Manufactured from premium materials and thoroughly tested, this sensor delivers dependable performance under demanding driving conditions.

Specifications

Specification	Details
Product Name	NOx Sensor
Sensor Type	Nitrogen Oxide (NOx) Sensor
Brand	OEM
Model Number	5WK97211
OEM Number	5WK9 7211
OE Number	4G0907807H
Alternative OE Numbers	4G0907807C, 4G0907807R, 4G09078070
Vehicle Compatibility	Audi A6 / S6 / A7 / S7 3.0 TDI Quattro
Condition	New
Application	Automotive Emissions System
Quality	100% Tested
Size	Standard OEM Size
Purpose	Replacement / Repair
Delivery Time	7–15 Days
Warranty	12 Months
Place of Origin	Guangdong, China

Compatible Part Numbers

5WK97211
5WK9 7211
4G0907807H
4G0907807C
4G0907807R
4G09078070

Package Includes

1 × NOx Sensor
Ready for Direct Installation

Why Choose This NOx Sensor?

✔ OEM-quality replacement part
✔ Accurate emissions monitoring
✔ Helps restore engine performance
✔ Supports fuel efficiency and emissions compliance
✔ Direct-fit installation
✔ Fully tested before shipment
✔ 12-month warranty included

Keep your Audi A6, S6, A7, or S7 3.0 TDI Quattro running efficiently with this high-quality OEM NOx Sensor, designed for dependable performance and long-lasting reliability. 🚗🔧✨

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.

We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.