# NGK Audi A8 Quattro 2009-2005 Direct Fit Oxygen Sensor

NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

-   ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning

This Part Fits:

Year

Make

Model

Submodel

2002-2004

Audi

A6 Quattro

Base

2005-2009

Audi

A8 Quattro

L

2002-2005

Audi

Allroad Quattro

Base

2004-2008

Audi

S4

Avant

2004-2008

Audi

S4

Base

2004-2009

Audi

S4

Cabriolet

2003

Bentley

Continental

GT

2000-2002

Volkswagen

Cabrio

GL

2000-2002

Volkswagen

Cabrio

GLS

2001-2002

Volkswagen

Cabrio

GLX

2001-2003

Volkswagen

EuroVan

GLS

2001-2003

Volkswagen

EuroVan

MV

2004

Volkswagen

R32

Base

2005-2006

Volkswagen

Touareg

Base

2004

Volkswagen

Touareg

V8

## Details

- **Price:** 208.43 CAD
- **Vendor:** NGK
- **Type:** Oxygen Sensors

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 208.43 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- Photo - out of package
- Photo - out of package
- Photo - out of package
- Photo - out of package
- Photo - out of package
- Photo - out of package

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/ngk-audi-a8-quattro-2009-2005-direct-fit-oxygen-sensor)
> Updated: 2026-06-27