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.
This Part Fits:
| Year |
Make |
Model |
Submodel |
| 2009 |
Audi |
A4 Quattro |
Base |
| 2008-2010 |
Audi |
A5 Quattro |
Base |
| 2012-2014 |
Audi |
A6 Quattro |
Premium |
| 2012-2015 |
Audi |
A6 Quattro |
Premium Plus |
| 2012-2015 |
Audi |
A6 Quattro |
Prestige |
| 2012-2013 |
Audi |
A7 Quattro |
Base |
| 2014-2015 |
Audi |
A7 Quattro |
Premium Plus |
| 2014-2015 |
Audi |
A7 Quattro |
Prestige |
| 2013-2014 |
Audi |
A8 Quattro |
Base |
| 2013-2014 |
Audi |
A8 Quattro |
L |
| 2009-2010 |
Audi |
Q5 |
Premium |
| 2009-2017 |
Audi |
Q5 |
Premium Plus |
| 2009-2017 |
Audi |
Q5 |
Prestige |
| 2010-2013 |
Audi |
S4 |
Base |
| 2014-2016 |
Audi |
S4 |
Premium Plus |
| 2014-2016 |
Audi |
S4 |
Prestige |
| 2013,2017 |
Audi |
S5 |
Base |
| 2010-2013 |
Audi |
S5 |
Cabriolet |
| 2014-2016 |
Audi |
S5 |
Premium Plus |
| 2014-2016 |
Audi |
S5 |
Prestige |
| 2014-2017 |
Audi |
SQ5 |
Premium Plus |
| 2014-2017 |
Audi |
SQ5 |
Prestige |
⚠️ California Proposition 65 Warning:
This product may expose you to chemicals known to the State of California
to cause cancer or reproductive harm.
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Price Match Guarantee:
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We are committed to providing the best value. If you find a lower advertised price from a verified vendor, we will match it. Shop with confidence knowing you’re getting the industry's lowest price.
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Project Incentives:
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We reward enthusiasts who trust us with their major projects. Use these tiered codes at checkout to apply instant savings to your order:
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• AH630 — $630 OFF $9000+
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Fitment Guarantee:
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Avoid the headache of the wrong part. If you are unsure about compatibility, contact us first. If we verify the fitment for your vehicle via email and it doesn’t fit, we will handle the exchange at no cost to you.
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Need an immediate answer? Our
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Secure Shipping:
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We offer FREE Ground Shipping within the 48 contiguous United States. Most in-stock orders process within 48 hours. For your security, high-value performance parts require a signature upon delivery to ensure they reach you safely.
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Unused items in brand-new, original packaging can be returned within 30 days. While standard refunds incur a 25% restocking fee, we will waive this fee entirely if you choose store credit or an exchange for your next upgrade.
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Exclusions:
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To ensure every customer receives brand-new, untampered components, parts that have been installed, modified, or used are non-returnable. Custom builds, special orders, and wheel/tire packages are considered final sale.
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Need assistance? Reach out via our
Contact Form before shipping any items back so we can provide you with an RMA number.
Fitment Guarantee
Fitment guides and tools are helpful—but your car is unique! Some trims and options aren’t always listed, so if you want 100% confidence that a part will fit, our team is happy to double-check for you. We take the guesswork out of your purchase by standing behind our expertise.
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Verify Your Build:
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If this product doesn't list your specific vehicle data, simply reach out to support@autohousesupply.com. We will manually verify compatibility for you.
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Our Promise:
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When we confirm a fitment in writing and it doesn’t work for your application, we cover the return shipping and exchange it at no cost to you.
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Questions? Send us your
Year, Make, and Model via our
Contact Form and we’ll get you a definitive answer so you can buy with confidence.
