2003 Audi A4 Quattro Oxygen Sensors
Enhance and Protect Your 2003 Audi A4 Quattro with Quality Oxygen Sensors
Maintaining the performance of your 2003 Audi A4 Quattro starts with choosing the right parts, and a high-quality Oxygen Sensor helps ensure a reliable and efficient vehicle. At Advance Auto Parts, we offer Oxygen Sensors specifically for the 2003 Audi A4 Quattro, ensuring a perfect fit and lasting durability. Choosing to shop with Advance Auto Parts means you’re making a smart decision to prioritize both quality and reliability for your vehicle.
Affordable and Reliable Oxygen Sensors for Every Budget
Finding an Oxygen Sensor that combines quality with affordability is easy at Advance Auto Parts. With prices starting as low as $78.17 and an average price of $115.22, you can choose one that fits your budget while delivering the quality you expect. Our Oxygen Sensors are competitively priced, ranging from $78.17 to $190.43, so you get value without compromising on strength or reliability.
Trusted Brands and Top-Rated Options
With 9 Oxygen Sensors from 3 trusted brands in stock, Advance Auto Parts has you covered. Our Oxygen Sensors for the 2003 Audi A4 Quattro have earned reviews from over 598 customers, with an average 4 stars rating across the board. Popular options include Oxygen Sensor: 4 Wire, 24.92" Long, Heated, Universal, Wideband Oxygen Sensor: 5 Wire, 58.86" Long, Heated, Exact Fit, and Oxygen Sensor: 4 Wire, 68.7" Long, Heated, Exact Fit, starting at $80.99. Our selection includes highly regarded brands such as Bosch, NTK, and DENSO, and more, offering you top-notch reliability. For example, we have 6 Bosch Oxygen Sensors starting at $78.17 with an average rating of 5 stars, 1 NTK options from $112.99 with a 5 stars rating, and 2 DENSO Oxygen Sensors priced from $135.99 with a 5 stars average rating.
Oxygen Sensors for Your 2003 Audi A4 Quattro
Bosch – Wideband Oxygen Sensor: 5 Wire, 58.86" Long, Heated, Exact Fit (Part No.17351)
from
$106.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation advancements. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance. Bosch oxygen sensors deliver exceptional OE level reliability, performance and durability, further improving service life of the product.
Product Features:
See More
Product Features:
- Advanced Wideband sensing element for exact air/fuel measurement
- Robust sensor design increases sensor longevity
- Seared protection tube due to 100% functional quality test
- ‘True Direct-fit’ OE connectors and harness
- Pre-coated threads with anti-seize compound right out of the box
Bosch – Oxygen Sensor: 4 Wire, 68.7" Long, Heated, Exact Fit (Part No.16978)
from
$111.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation advancements. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance. Bosch oxygen sensors deliver exceptional OE level reliability, performance and durability, further improving service life of the product.
Product Features:
See More
Product Features:
- Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
- Direct Fit includes OE Connector for easy installation
- Performance meets or exceeds OE specifications
- True Direct-fit OE connectors and harness
Bosch – Oxygen Sensor: 4 Wire, 24.92" Long, Heated, Universal (Part No.15733)
from
$80.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation advancements. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance. Bosch oxygen sensors deliver exceptional OE level reliability, performance and durability, further improving service life of the product.
Product Features:
See More
Product Features:
- Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
- Includes Smart Link Connector, no soldering required
- No special tools required for installation
- Seared protection tube due to 100% functional quality test
- Performance meets or exceeds OE specifications
Bosch – Wideband Oxygen Sensor: 5 Wire, 28.74" Long, Heated, Exact Fit (Part No.17353)
from
$131.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation advancements. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance. Bosch oxygen sensors deliver exceptional OE level reliability, performance and durability, further improving service life of the product.
Product Features:
See More
Product Features:
- Advanced Wideband sensing element for exact air/fuel measurement
- Robust sensor design increases sensor longevity
- Seared protection tube due to 100% functional quality test
- ‘True Direct-fit’ OE connectors and harness
- Pre-coated threads with anti-seize compound right out of the box
Bosch – Universal Oxygen Sensor (Part No.C5010126014BOS)
from
$78.17
The Bosch universal oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are subjected. Each element is incredibly strong for best-in-class performance and maximum service life. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.
Product Features:
See More
Product Features:
- OE-Equivalent.
- Direct fit for easy installation.
- OE Style connectors and wire lengths.
- Base ceramic probe of Zirconium and Yttrium.
- Patented Platinum Power Grid.
DENSO – Oxygen Sensor (Part No.C5010374961ND)
from
$190.43
Oxygen Sensor
Bosch – Oxygen Sensor (Part No.C5010417731BOS)
from
$143.45
The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are subjected. Each element is incredibly strong for best-in-class performance and maximum service life.
Product Features:
See More
Product Features:
- OE-Equivalent.
- Direct fit for easy installation.
- OE Style connectors and wire lengths.
- Base ceramic probe of Zirconium and Yttrium.
- Patented Platinum Power Grid.
DENSO – Oxygen Sensor: 4 Wire, 69.21" Long, Heated, Exact Fit (Part No.234-4874)
from
$135.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision built for exact replacement, and a first time fit; This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.
Product Features:
See More
Product Features:
- Specifically designed to meet the increasing demands of today’s engines
- 100% checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
- Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
- Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
- Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination
NTK – Switching Oxygen Sensor: 4 Wire, 37" Long, Heated, Direct Fit (Part No.25605)
from
$112.99
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.
Product Features:
See More
Product Features:
- OEM QUALITY: NTK is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
- PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, NTK Oxygen Sensors offer superior OE fit, form, function
- OE TECHNOLOGY: Upgraded to the latest OE technologies, NTK Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
- EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
- EASY INSTALLATION: NTK Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
- ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
- NTK ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
FAQs for 2003 Audi A4 Quattro Oxygen Sensors
Which Oxygen Sensors are the top sellers for the 2003 Audi A4 Quattro?
Out of 9 Oxygen Sensors that fit 2003 Audi A4 Quattros, the following parts are the top sellers:
How can I make sure that a part will be compatible with my 2003 Audi A4 Quattro?
Our Audi A4 Quattro aftermarket and OEM parts are designed specifically for the 2003 model. You can always find your specific fitment and compatibility for your 2003 Audi on an individual product page.
What is the price range for 2003 Audi A4 Quattro Oxygen Sensors?
The range of prices of Oxygen Sensors for the 2003 Audi A4 Quattro goes from $78.17 up to $190.43 for the most premium parts.
What is the average price of a 2003 Audi A4 Quattro Oxygen Sensor?
Does Advance Auto Parts sell Oxygen Sensors for other Audi A4 Quattro model years?
Can I get help with 2003 Audi A4 Quattro Oxygen Sensor orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Audi Oxygen Sensors and more.
What is your return policy for Audi A4 Quattro Oxygen Sensors?
Advance Auto Parts keeps returns simple. For new Audi A4 Quattro Oxygen Sensors and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
Oxygen Sensors For Other Audi A4 Quattro Model Years
Looking for parts for a different model year of the Audi A4 Quattro? Below, you’ll find links to Oxygen Sensors for a range of model years, from 1996 models all the way up to 2023. At Advance Auto Parts, we carry high-quality OEM and aftermarket auto parts for popular years like 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, and more, ensuring you have access to the best options for your specific needs. Choosing an Oxygen Sensor from Advance Auto Parts means investing in top-tier parts that will keep your Audi A4 Quattro running at its best, no matter the year.
