2003 Audi A6 Quattro Air- Fuel Ratio Sensors

Your 2003 Audi A6 Quattro might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Air- Fuel Ratio Sensors you desperately need.

We currently carry 5 Air- Fuel Ratio Sensors to choose from for your 2003 Audi A6 Quattro, and our inventory prices range from as little as $115.52 up to $234.99.

On top of low prices, Advance Auto Parts offers 3 different trusted brands of Air- Fuel Ratio Sensors for the 2003 Audi A6 Quattro. We only sell parts from trusted brands like Bosch so that you can find quality parts you can count on.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Air- Fuel Ratio Sensors stock in-person!

Air- Fuel Ratio Sensors for Your 2003 Audi A6 Quattro

DENSO – Wideband Oxygen Sensor: Upstream, 5 Wire, 28.74" Long, Heated, Exact Fit (Part No.234-5028)

Wideband Oxygen Sensor: Upstream, 5 Wire, 28.74" Long, Heated, Exact Fit

from

$234.99
DENSO Air/Fuel Ratio 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.; DENSO gives you the right part and the right fit+ the first time.

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
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DENSO – First Time Fit Air Fuel Ratio Sensor (Part No.C5015689987ND)

First Time Fit Air Fuel Ratio Sensor

from

$176.72
DENSO a global supplier to automakers manufactures an OE-equivalent direct fit air fuel ratio sensor that maintains the quality and performance of the Original Equipment it replaces. DENSO continues to innovate with the latest development in air fuel ratio sensors. These components, also known as wide-band oxygen sensors, have a broader response range to provide much finer control of air/fuel mixtures over a greater variety of operating conditions.

Product Features:
  • Tarnish-proof platinum electrodes provides longer life and maintains accuracy
  • Quick-response planar zirconia element can quickly detect oxygen concentration
  • Measures A/F ratios from approximately 12:1 to 19:1
  • Increased performance by mapping a/f ratios throughout rpm range
  • Reduces emissions by keeping the air-fuel mixture at an optimum ratio
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DENSO – First Time Fit Oxygen Sensor (Part No.C5010690465ND)

First Time Fit Oxygen Sensor

from

$174.88
Denso First Time Fit oxygen sensors are constructed of the highest quality materials available. High-quality stainless steel, porous polytetrafluoroethylene (PTFE), fluorine rubber, aluminum oxide, high-grade platinum and ceramics are used in each DENSO sensor.

Product Features:
  • SUPERIOR DESIGN – Maximizes engine performance and fuel efficiency while reducing harmful emissions.
  • DOUBLE-PROTECTION COVER – Maintains proper unit temperature for quicker response times and protects the ceramic element against silicone and lead poisoning.
  • ALUMINUM-OXIDE TRAP LAYER – Keeps silicone and lead outside the ceramic element through DENSO’s exclusive design, preventing damage to the platinum electrode.
  • STAINLESS STEEL HOUSING – Resists corrosion and contamination with a rugged, watertight body.
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Bosch – Bosch Oxygen Sensor (Part No.C5010400960BOS)

Bosch Oxygen Sensor

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$166.60
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:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • OE Style connectors and wire lengths.
  • Base ceramic probe of Zirconium and Yttrium.
  • Patented Platinum Power Grid.
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Walker – Walker Oxygen Sensor (Part No.C5010380257WKR)

Walker Oxygen Sensor

from

$115.52
Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet and exceed all original equipment specification and test requirements.

Product Features:
  • Improved Engine Response and Performance
  • Lower Emissions
  • Improved Fuel Economy
  • Longer Sensor Life
  • Meets OEM Specifications Installation Notes: Vehicles equipped with Air Fuel Ratio Sensors may look very similar to the Oxygen Sensor. Please confirm the correct part before ordering and if the connector does not match, do not install
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FAQs for 2003 Audi A6 Quattro Air- Fuel Ratio Sensors

What are the most popular Air- Fuel Ratio Sensors for the 2003 Audi A6 Quattro?

With 3 brands you can trust, our most popular Air- Fuel Ratio Sensors for the 2003 Audi A6 Quattro parts are:
Walker Oxygen Sensor
from $115.52
This product is not rated
Walker Oxygen Sensor
Air- Fuel Ratio Sensors
First Time Fit Air Fuel Ratio Sensor
from $176.72
This product is not rated
First Time Fit Air Fuel Ratio Sensor
Air- Fuel Ratio Sensors
First Time Fit Oxygen Sensor
from $174.88
This product is not rated
First Time Fit Oxygen Sensor
Air- Fuel Ratio Sensors