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Audi A4 Quattro Air / Fuel Ratio Sensor Replacement

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  1. ✓ In Stock 2009-2017 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream (Denso)

    2009-2017 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: 234-5019

    O.E. Quality Direct Fit Replacement Sensor

    $135.83 View part →
  2. ✓ In Stock 2009-2016 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream (NGK)

    2009-2016 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream (NGK)

    Partslink #: 24328

    B1S1 OE Equivalent Design

    $136.60 View part →
  3. ✓ In Stock 2005-2009 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream (Denso)

    2005-2009 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: 234-5102

    O.E. Quality Direct Fit Replacement Sensor

    $170.34 View part →
  4. ✓ In Stock 2001-2005 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream (Denso)

    2001-2005 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: 234-5115

    O.E. Quality Direct Fit Replacement Sensor

    $172.52 View part →
  5. ✓ In Stock 2018-2020 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream (Denso)

    2018-2020 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: 234-5163

    O.E. Quality Direct Fit Replacement Sensor

    $174.87 View part →
  6. ✓ In Stock 2001-2005 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream (NGK)

    2001-2005 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream (NGK)

    Partslink #: 24318

    B1S1 OE Equivalent Design

    $174.99 View part →
  7. ✓ In Stock 2021-2022 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream (Denso)

    2021-2022 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: 234-5736

    O.E. Quality Direct Fit Replacement Sensor

    $177.20 View part →
  8. ✓ In Stock 2005-2009 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream (NGK)

    2005-2009 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream (NGK)

    Partslink #: 24342

    B1S1 OE Equivalent Design

    $184.98 View part →
  9. ✓ In Stock 2009 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream (Denso)

    2009 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: 234-5164

    O.E. Quality Direct Fit Replacement Sensor

    $196.04 View part →
  10. ✓ In Stock 2005-2009 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream Left or Upstream Right (NGK)

    2005-2009 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream Left or Upstream Right (NGK)

    Partslink #: 24308

    B2S1 OE MFR: NTK

    $222.02 View part →
  11. ✓ In Stock 2005-2009 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream or Upstream Left or Upstream Right (Denso)

    2005-2009 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream or Upstream Left or Upstream Right (Denso)

    Partslink #: 234-5120

    O.E. Quality Direct Fit Replacement Sensor

    $236.24 View part →
  12. ✓ In Stock 2009 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream Left or Upstream Right (NGK)

    2009 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream Left or Upstream Right (NGK)

    Partslink #: 27002

    ULEV Emissions Standard OE MFR: NTK

    $268.43 View part →
  13. ✓ In Stock 2002-2006 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream Left or Upstream Right (NGK)

    2002-2006 Audi A4 Quattro Air / Fuel Ratio Sensor - Upstream Left or Upstream Right (NGK)

    Partslink #: 27087

    B2S1 OE Equivalent Design

    $281.87 View part →

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Air / Fuel Ratio Sensor Compatibility for Audi A4 Quattro

Browse our selection of quality air / fuel ratio sensor parts designed specifically for your Audi A4 Quattro. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.

Available Trims

Avant · Base · Cabriolet · Confort · DTM · Elite · Komfort · Le Mans · Luxury · Premium · Premium Plus · Prestige · Progressiv · S Line · S Line Sport · Select · Sport · Technik · Trendy · Trendy Plus · Ultra sport · Vangard

Body Types

Convertible · Sedan · Wagon

Engine Options

L4 1.8L · L4 2.0L · V6 2.8L · V6 3.0L · V6 3.2L

Transmissions

Automatic · Automatic Dual Clutch · Manual

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