2006 Audi S4 Air- Fuel Ratio Sensors

Your 2006 Audi S4 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 2 Air- Fuel Ratio Sensors to choose from for your 2006 Audi S4, and our inventory prices range from as little as $176.72 up to $234.99.

On top of low prices, Advance Auto Parts offers 1 different trusted brands of Air- Fuel Ratio Sensors for the 2006 Audi S4. We only sell parts from trusted brands like DENSO 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 2006 Audi S4

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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