04L907805AR NOx Sensor A2C39831400-02 for Audi A4 A6 A7 A8 Q5 Q7.

Product Description:
This is a high-quality NOx (Nitrogen Oxide) Sensor with part number A2C39831400-02 / 04L907805AR, designed for Audi diesel engines equipped with SCR (Selective Catalytic Reduction) systems. It plays a vital role in monitoring and controlling the emission of nitrogen oxides to ensure your vehicle meets stringent environmental standards.

Crafted with OE specifications, this sensor ensures accurate detection and reliable operation. It is a direct-fit replacement and ideal for restoring optimal engine performance and fuel efficiency while keeping emissions low.

Features:

OE Part Number: A2C39831400-02 / 04L907805AR
Mounts in the exhaust system
Compatible with Audi models equipped with diesel SCR systems
Improves fuel efficiency and reduces emissions
Plug-and-play replacement; no modifications required

Compatibility List:
Fits the following Audi models (depending on engine variant and trim):

Model	Chassis Code	Year Range
Audi A4	B9	2015–2022
Audi A6	4G / C7	2011–2018
Audi S6	4G / C7	2012–2018
Audi A7	4G / C7	2011–2018
Audi A8	D4	2010–2017
Audi Q5	8R / FY	2013–2021
Audi Q7	4M	2015–2020

Note: Always verify the part number and consult your VIN or mechanic before purchase to ensure proper fitment.

Key features

OE Part Number: A2C39831400-02 / 04L907805AR
Mounts in the exhaust system
Compatible with Audi models equipped with diesel SCR systems
Improves fuel efficiency and reduces emissions
Plug-and-play replacement; no modifications required

Shipping, returns and warranty

Worldwide shipping with tracking
30-day returns on unused, uninstalled parts
90-day limited warranty against defects

Send us your VIN and we confirm fitment before shipping. See our shipping policy and return policy.

Audi A6 4G / C7 2011–2018

A2C39831400-02 NOx Sensor 04L907805AR for Audi A4 A6 A7 A8 Q5 Q7