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Audi A4 Air / Fuel Ratio Sensor Replacement

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  1. ✓ In Stock 2009-2016 Audi A4 Air / Fuel Ratio Sensor - Upstream (Denso)

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

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

    Partslink #: 24328

    B1S1 OE Equivalent Design

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

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

    Partslink #: 234-5102

    O.E. Quality Direct Fit Replacement Sensor

    $170.34 View part →
  4. ✓ In Stock 2001-2006 Audi A4 Air / Fuel Ratio Sensor - Upstream (Denso)

    2001-2006 Audi A4 Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: 234-5115

    O.E. Quality Direct Fit Replacement Sensor

    $172.52 View part →
  5. ✓ In Stock 2001-2006 Audi A4 Air / Fuel Ratio Sensor - Upstream (NGK)

    2001-2006 Audi A4 Air / Fuel Ratio Sensor - Upstream (NGK)

    Partslink #: 24318

    B1S1 OE Equivalent Design

    $174.99 View part →
  6. ✓ In Stock 2017-2020 Audi A4 Air / Fuel Ratio Sensor - Upstream (Denso)

    2017-2020 Audi A4 Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: 234-5736

    O.E. Quality Direct Fit Replacement Sensor

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

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

    Partslink #: 24342

    B1S1 OE Equivalent Design

    $184.98 View part →
  8. ✓ In Stock 2017-2020 Audi A4 Air / Fuel Ratio Sensor - Upstream (NGK)

    2017-2020 Audi A4 Air / Fuel Ratio Sensor - Upstream (NGK)

    Partslink #: 27052

    B1S1 OE Equivalent Design

    $189.30 View part →
  9. ✓ In Stock 2006-2008 Audi A4 Air / Fuel Ratio Sensor - Upstream Left or Upstream Right (NGK)

    2006-2008 Audi A4 Air / Fuel Ratio Sensor - Upstream Left or Upstream Right (NGK)

    Partslink #: 24308

    B2S1 OE MFR: NTK

    $222.02 View part →
  10. ✓ In Stock 2002-2005 Audi A4 Air / Fuel Ratio Sensor - Upstream Left or Upstream Right (NGK)

    2002-2005 Audi A4 Air / Fuel Ratio Sensor - Upstream Left or Upstream Right (NGK)

    Partslink #: 27087

    B2S1 OE Equivalent Design

    $281.87 View part →
  11. ✓ In Stock 2006-2008 Audi A4 Air / Fuel Ratio Sensor - Upstream (Denso)

    2006-2008 Audi A4 Air / Fuel Ratio Sensor - Upstream (Denso)

    Partslink #: 234-5120

    O.E. Quality Direct Fit Replacement Sensor

    $236.24 View part →

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Air / Fuel Ratio Sensor Compatibility for Audi A4

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

Available Trims

Avant · Avant Confort · Avant Luxury · Base · Basico · Cabrio · Cabrio Elite · Cabrio S Line · Cabriolet · Confort · Dynamic · Elite · Komfort · Limited Edition · Luxury · Premium · Premium Plus · Prestige · Progressiv · S Line · S Line Sport · Select · Sport · Sport Limited Edition · Titanium · Trendy · Trendy Plus · 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 CVT · Automatic Dual Clutch · Manual

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