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Audi Oxygen Sensor – Front 1K0998262AA – Bosch 17363
Audi Oxygen Sensor – Front 1K0998262AA – Bosch 17363
Audi Oxygen Sensor – Front 1K0998262AA – Bosch 17363
Audi Oxygen Sensor – Front 1K0998262AA – Bosch 17363
Audi Oxygen Sensor – Front 1K0998262AA – Bosch 17363
Audi Oxygen Sensor – Front 1K0998262AA – Bosch 17363
Audi Oxygen Sensor – Front 1K0998262AA – Bosch 17363
Audi Oxygen Sensor – Front 1K0998262AA – Bosch 17363

Audi Oxygen Sensor – Front 1K0998262AA – Bosch 17363

BOSCH
Disponibilité:
Rupture de stock
UGC 17363
Épuisé
$81.89 - $81.89
$81.89
$81.89 - $81.89
$81.89
CALIFORNIA WARNING

Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts.

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This Bosch 17363 oxygen sensor is a front (upstream) sensor designed for select Audi models with 4.2L V8, 5.2L V10, and 6.0L W12 engines from 2005–2015. It measures exhaust oxygen content to fine-tune the air-fuel mixture, reducing emissions and improving fuel economy. Developed by Bosch, the pioneer of automotive oxygen sensors, it provides reliable OE-quality performance.

Key Features & Benefits

  • Front/Upstream Position: Installed before the catalytic converter to monitor engine-out emissions for optimal fuel trim.
  • Heated 4-Wire Design: Rapid warm-up for accurate readings and reduced cold-start emissions.
  • OEM Cross-Reference 1K0998262AA: Direct replacement for Audi part number 1K0998262AA.
  • Vehicle-Specific Fitment: Engineered for Audi R8, A6 Quattro, A8 Quattro, RS4, S8, and A8 W12 models.
  • Durable Construction: Steel housing and robust connector ensure long service life in high-temperature exhaust systems.

Vehicle Fitment

Make Model Years Engine
Audi R8 2008–2012 4.2V8
Audi R8 2014–2015 4.2V8
Audi A6 Quattro 2005–2011 4.2V8
Audi A8 Quattro 2007–2010 4.2V8
Audi RS4 2007–2008 4.2V8
Audi S8 2007 5.2V10
Audi A8 Quattro 2007 6.0W12

Technical Specifications

Part Number 17363
OEM Cross-Reference 1K0998262AA
Brand Bosch
Type Oxygen Sensor
Position Front / Upstream
Material Steel
Weight 0.491631 lb

Installation Notes

Professional installation recommended to properly route wiring and prevent exhaust leaks.

About Bosch

Bosch invented the automotive oxygen sensor in the late 1960s and remains a top-tier supplier of OE and aftermarket sensors globally.

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 7 applications
Audi
Make Model Engine Years
Audi R8 4.2V8 2008–2012
Audi R8 4.2V8 2014–2015
Audi A6 Quattro 4.2V8 2005–2011
Audi A8 Quattro 4.2V8 2007–2010
Audi RS4 4.2V8 2007–2008
Audi S8 5.2V10 2007–2007
Audi A8 Quattro 6.0W12 2007–2007
Fits 7 vehicle applications Check vehicle fitment before ordering View fitment

About this Oxygen Sensor

The BOSCH 17363 oxygen sensor measures the oxygen in the exhaust so the engine computer can keep the fuel mixture correct. Sensors before the catalytic converter control the mixture; sensors after it monitor the converter's efficiency.

Frequently asked questions

What does an oxygen sensor do?

It reports how rich or lean the exhaust is, and the engine computer adjusts fuel delivery in response. A faulty sensor can make the engine run too rich or too lean.

What are the signs of a failing oxygen sensor?

A check-engine light with oxygen-sensor or fuel-trim codes, poorer fuel economy, rough idle, or a failed emissions test. Exhaust leaks near the sensor can cause similar codes, so check for those too.

How do I know which sensor I need?

Sensors are specific to their position: upstream (before the catalytic converter) or downstream (after it), and on V engines, bank 1 or bank 2. The fault code usually identifies the position; check the product details for the position this sensor fits.

Can I replace an oxygen sensor myself?

Usually, yes, using an oxygen-sensor socket. Many new sensors come with anti-seize already on the threads; if not, use a sensor-safe compound only on the threads, and keep it off the sensor tip.

How do I make sure this oxygen sensor fits my car?

Compare the part numbers listed on this page with the number on your old part or in your vehicle's parts catalog, and check the fitment information. If you are unsure, contact us with your VIN before ordering.

Euromotiv is an independent retailer of OEM, Genuine, and aftermarket automotive parts. We are not affiliated with, endorsed by, or authorized by Audi AG, Volkswagen AG, BMW AG, Mercedes-Benz Group AG, Dr. Ing. h.c. F. Porsche AG, MINI, or any other vehicle manufacturer. All trademarks, logos, and brand names are the property of their respective owners and are used solely for identification and compatibility purposes.