Call To Order: 1-800-541-9352

Get the Best Priced Audi A4 Oxygen Sensor

Select Your Vehicle:
  • Fast Shipping
  • 30-Day Return Policy
  • Low Prices

Audi A4 Replacement Oxygen Sensor Information


If you invested in a performance-optimized car to take advantage of its outstanding engine power and performance, support your decision by using first rate new parts. When you picked your Audi, you were choosing a vehicle with great performance and outstanding looks; you will want to ensure that decision by using only the most high quality parts and accessories. With advanced craftsmanship and amazingly satin style, no car is more preferred than a high-class Audi. The Audi A4 Oxygen Sensor is a component used to control the level of oxygen in your car or truck's emissions. Such sensors are electronic parts that are used in the exhaust to improve fuel mileage. Generally installed in the exhaust manifold, this device delivers oxygen levels present in the engine's fuel system to the computer. Nobody else can bring you a better deal on quality Audi aftermarket accessories than we do year in and year out. All customers understandably desire fantastic information and support when looking at reliable auto parts. Thus, we created a well-informed support call desk to support all your questions.


Audi A4 Oxygen Sensor They are available for the following Audi A4 years: 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, 16, 15, 14, 13, 12, 11, 10, 09, 08, 07, 06, 05, 04, 03, 02, 01, 00, 99, 98, 97, 96. This part is also sometimes called Audi A4 O2 Sensor. We stock oxygen sensor parts for most Audi models including A4 Quattro, A6 Quattro, TT Quattro, A8 Quattro, S4, Allroad Quattro, Q7, TT, A6, A3, A5 Quattro, Q5, S6, S8, A3 Quattro, RS4, 100, S5, 200 Quattro, 90 Quattro, V8 Quattro, Cabriolet, A5, A7 Quattro, 4000 Quattro, 90, S7, 80 Quattro, 100 Quattro, 5000 Quattro, RS6, Coupe Quattro, Quattro, 4000, S3, 80, RS7, 200, allroad and R8.

We stock these Oxygen Sensor brands for the Audi A4: Walker Products, Bosch, NGK, API, DIY Solutions and Standard Motor Products.


Oxygen Sensor for Audi A4 - Partsgeek
› Change Vehicle
Review Fitment Notes to Ensure Proper Fit

Related Top Sellers

Research on Oxygen Sensor for Audi A4

An oxygen sensor measures the unburned oxygen in the exhaust as it exits the engine. The Audi A4 o2 sensor location is in the exhaust manifold. The reason for the measure is to gauge the fuel mixture and see if it is burning rich or lean. This information is sent to your vehicles computer from the 2007 Audi A4 oxygen sensor and is used to help your car run efficiently and to reduce emissions. If you see your check engine light come on, this is one of many symptoms when you have Audi A4 oxygen sensor symptoms and you should have your car scanned and see if you get the code that will point to the oxygen sensor as the problem. Other o2 sensor symptoms are your car may have a poor idle, a problem starting, and high fuel consumption.

Wrong Mix

If you have a bad Audi A4 oxygen sensor, then you are probably getting the wrong mix of gasoline and oxygen which can increase the pollutants flowing through your exhaust. If you have oxygen sensor problems and this happens the mixture can prematurely cause your catalytic converter to fail or even worse, damage your engine. A failed catalytic converter can be an expensive repair. It is important to get this addressed as soon as possible. An important point is that intake and exhaust leaks can trigger Audi A3 Lambda sensor symptoms at the o2 sensor location in your car. If this is the case a problem code may show but there may be nothing wrong with the 2008 Audi A4 o2 sensor.

Placement of the o2 Sensors

An online video can help with the proper steps to do the replacement. Online you can often find a diagram that will show the exact placement of the 2001 Audi A4 o2 sensor bank 1 sensor 2 and the easiest way to remove it. If the video is not the perfect help, then you can join an online forum for Audi A4 owners that you can interact with. The benefits of a forum are that you will chat with people that own the exact same vehicle as you have. Often these people do their own repairs and replacements. You can get help and instruction for regular maintenance work like an oil change or, in this case, you can find out the Audi A4 o2 sensor replacement cost and how to replace them.

Proper Mixture Cost

Having a local repair shop change your oxygen sensors will cost more than $200 for one in the front. Just by knowing the proper o2 sensor location and having the proper sensor socket, you can do the sensor replacement yourself quickly. A faulty oxygen sensor is a primary reason that vehicles fail the emissions test at inspection stations. It is important to fix. All you need is a little time and PartsGeek.com can help with your o2 sensor replacement cost. We sell parts and accessories for your Audi A4 exclusively online. We don't have a big building and a big overhead. This translates into better prices for you.


Some of our Customer Reviews
Very Satisfied
Reviewer: sean c

This product shipped fast and arrived fast. Very happy with my purchase. I will continue to shop with confidence at parts geek.

2001 Audi A4 Oxygen Sensor

Very Satisfied
Reviewer: frank pereira

i was looking around and find place that were selling it for more money online and when i found this site i save money then going to place

1996 Audi A4 Oxygen Sensor

Very Satisfied
Reviewer: Everett Thomas

I'm a regular costumer, and a weekend mechanic, the Parts Geek have the best price on parts, I just purchase a O2 sensor upstream by Walker, I use this brand before, and my car still running!

2003 Audi A4 Oxygen Sensor

Very Satisfied
Reviewer: Audi oxygen sensor

The product was exactly as pictures delivery was very fast and great service .

2011 Audi A4 Oxygen Sensor

Somewhat Satisfied
Reviewer: O2 Sensor

Satisfied but the last sensor only lasted ~15 mths

1997 Audi A4 Oxygen Sensor