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Replacement Parts for Audi A4 Oxygen Sensor
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Audi A4 Oxygen Sensor

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Oxygen Sensors
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  • Denso Air Fuel Ratio Sensor for Audi A4 - 234-5120

    Denso® Air Fuel Ratio Sensor for Audi A4

    PartNumber: 234-5120
    Product Specifications
    • Connector Gender: Male
    • Location: Cylinder 1,2,3
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511116146
    • Wire Harness Length: 22.56" (573 mm)
    • Wires Quantity: 5 Wire Leads
    • Part Description: Audi A4 Air Fuel Ratio Sensor
    More Info
    $145.54
  • Denso Air Fuel Ratio Sensor for Audi A4 - 234-5028

    Denso® Air Fuel Ratio Sensor for Audi A4

    PartNumber: 234-5028
    Product Specifications
    • Connector Gender: Male
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511117617
    • Wire Harness Length: 28.74" (730 mm)
    • Wires Quantity: 5 Wire Leads
    • Part Description: Audi A4 Air Fuel Ratio Sensor
    More Info
    $145.62
  • Delphi Oxygen Sensor for Audi A4 - ES20160

    Delphi® Oxygen Sensor for Audi A4

    PartNumber: ES20160
    Product Specifications
    • Connector Shape: Flat
    • Position: Front
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604147412
    • Wire Harness Length: 24.8" (620 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Audi A4 Oxygen Sensor
    More Info
    $126.71
  • Spectra Premium Oxygen Sensor for Audi A4 - OS6083

    Spectra Premium® Oxygen Sensor for Audi A4

    PartNumber: OS6083
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Oval
    • Installation Type: Screw
    • OE Part Number: 06E906265F, 06E906265S
    • Overall Length: 23.81" (604.77 mm)
    • Position: Upstream
    • UPC: 671607568486
    • Part Description: Audi A4 Oxygen Sensor
    More Info
    $92.36
  • Denso Oxygen Sensor for Audi A4 - 234-4808

    Denso® Oxygen Sensor for Audi A4

    PartNumber: 234-4808
    Product Specifications
    • Connector Gender: Male
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511115637
    • Wire Harness Length: 24.61" (625.1 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Audi A4 Oxygen Sensor
    More Info
    $93.64
  • Delphi Oxygen Sensor for Audi A4 - ES11079

    Delphi® Oxygen Sensor for Audi A4

    PartNumber: ES11079
    Product Specifications
    • Connector Shape: Square
    • Finish: Brown
    • Position: Front
    • Terminal Quantity: 5
    • Terminal Type: Blade
    • UPC: 689604213957
    • Wire Harness Length: 48" (1200 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Audi A4 Oxygen Sensor
    More Info
    $123.74
  • Walker Products Wideband Premium Oxygen Sensor for Audi A4 - 250-25113

    Walker Products® Wideband Premium Oxygen Sensor for Audi A4

    PartNumber: 250-25113
    Product Specifications
    • Connector Gender: Male
    • Overall Length: 22.63"(574.802 mm)
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620106453
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 18.70"(474.98 mm)
    • Wires Quantity: 5 Wire Leads
    • Part Description: Audi A4 Wideband Premium Oxygen Sensor
    More Info
    $110.36
  • NTK OE Type 5-Wire Wideband A/F Sensor for Audi A4 - 24308

    NTK® OE Type 5-Wire Wideband A/F Sensor for Audi A4

    PartNumber: 24308
    Product Specifications
    • Meets or Exceeds Original Equipment Manufacture Specifications: Yes
    • Mounting Bracket Included: No
    • Sensor Type: Heated
    • Thread Diameter: 18.000
    • Thread Length: 0.38
    • Universal Or Specific Fit: Specific
    • UPC: 087295243084
    • Wire Quantity: 5
    • Wiring Harness Length: 23.5
    • Part Description: Audi A4 OE Type 5-Wire Wideband A/F Sensor
    More Info
    $151.64
  • Spectra Premium Oxygen Sensor for Audi A4 - OS6128

    Spectra Premium® Oxygen Sensor for Audi A4

    PartNumber: OS6128
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Rectangular / Oval
    • Installation Type: Screw
    • OE Part Number: 06E906265E
    • Overall Length: 39.38" (1000.25 mm)
    • Position: Downstream Passenger Side
    • UPC: 671607568936
    • Part Description: Audi A4 Oxygen Sensor
    More Info
    $81.58
  • Denso Oxygen Sensor for Audi A4 - 234-4829

    Denso® Oxygen Sensor for Audi A4

    PartNumber: 234-4829
    Product Specifications
    • Connector Gender: Male
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream Driver Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511115729
    • Wire Harness Length: 31.38" (797.1 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Audi A4 Oxygen Sensor
    More Info
    $97.27
  • Delphi Oxygen Sensor for Audi A4 - ES10920

    Delphi® Oxygen Sensor for Audi A4

    PartNumber: ES10920
    Product Specifications
    • Connector Shape: Square
    • Position: Front
    • Terminal Quantity: 5
    • Terminal Type: Blade
    • UPC: 689604146873
    • Wire Harness Length: 24" (600 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Audi A4 Oxygen Sensor
    More Info
    $121.12
  • Walker Products Oxygen Sensor for Audi A4 - 350-35092

    Walker Products® Oxygen Sensor for Audi A4

    PartNumber: 350-35092
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Overall Length: 22.63"
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620106859
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 18.70"
    • Wires Quantity: 5 Wire Leads
    • Part Description: Audi A4 Oxygen Sensor
    More Info
    $87.48
  • Spectra Premium Oxygen Sensor for Audi A4 - OS6238

    Spectra Premium® Oxygen Sensor for Audi A4

    PartNumber: OS6238
    Product Specifications
    • OE Part Number: 06E906265D
    • Position: Downstream Driver Side
    • UPC: 671607570038
    • Part Description: Audi A4 Oxygen Sensor
    More Info
    $76.05
  • NTK OE Type Oxygen Sensor for Audi A4 - 25174

    NTK® OE Type Oxygen Sensor for Audi A4

    PartNumber: 25174
    Product Specifications
    • Mounting Type: Threaded
    • Sensor Type: Heated
    • Thread Diameter: 18.000
    • Universal Or Specific Fit: Specific
    • UPC: 087295251744
    • Wire Quantity: 4
    • Wiring Harness Length: 38.2500
    • Part Description: Audi A4 OE Type Oxygen Sensor
    More Info
    $139.07
  • Denso Oxygen Sensor for Audi A4 - 234-4812

    Denso® Oxygen Sensor for Audi A4

    PartNumber: 234-4812
    Product Specifications
    • Connector Gender: Male
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511115668
    • Wire Harness Length: 66.54" (1690.1 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Audi A4 Oxygen Sensor
    More Info
    $122.99
  • Delphi Oxygen Sensor for Audi A4 - ES20374

    Delphi® Oxygen Sensor for Audi A4

    PartNumber: ES20374
    Product Specifications
    • Connector Shape: Flat
    • Overall Length: 33.2" (830 mm)
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604201725
    • Wire Harness Length: 32" (800 mm)
    • Wrench Size: 0.88"(22 mm)
    • Part Description: Audi A4 Oxygen Sensor
    More Info
    $108.60
  • Spectra Premium Oxygen Sensor for Audi A4 - OS5026

    Spectra Premium® Oxygen Sensor for Audi A4

    PartNumber: OS5026
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Oval
    • Installation Type: Screw
    • Overall Length: 29 5/16"
    • Position: Downstream
    • Sensor Type: Heated - Zirconia
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607156744
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Audi A4 Oxygen Sensor
    More Info
    $58.75
  • NTK OE Type Oxygen Sensor for Audi A4 - 25173

    NTK® OE Type Oxygen Sensor for Audi A4

    PartNumber: 25173
    Product Specifications
    • Mounting Type: Threaded
    • Sensor Type: Heated
    • Thread Diameter: 18.000
    • Universal Or Specific Fit: Specific
    • UPC: 087295251737
    • Wire Quantity: 4
    • Wiring Harness Length: 38.2500
    • Part Description: Audi A4 OE Type Oxygen Sensor
    More Info
    $125.71
  • Walker Products Wideband Premium Oxygen Sensor for Audi A4 - 250-25120

    Walker Products® Wideband Premium Oxygen Sensor for Audi A4

    PartNumber: 250-25120
    Product Specifications
    • Connector Gender: Male
    • Overall Length: 18.11"(459.994 mm)
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620113321
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 12.79"(324.866 mm)
    • Wires Quantity: 5 Wire Leads
    • Part Description: Audi A4 Wideband Premium Oxygen Sensor
    More Info
    $109.70
  • Denso Air Fuel Ratio Sensor for Audi A4 - 234-5102

    Denso® Air Fuel Ratio Sensor for Audi A4

    PartNumber: 234-5102
    Product Specifications
    • Connector Gender: Male
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511115965
    • Wire Harness Length: 30.47" (773.9 mm)
    • Wires Quantity: 5 Wire Leads
    • Part Description: Audi A4 Air Fuel Ratio Sensor
    More Info
    $119.32
  • Delphi Oxygen Sensor for Audi A4 - ES20365

    Delphi® Oxygen Sensor for Audi A4

    PartNumber: ES20365
    Product Specifications
    • Connector Shape: Flat
    • Overall Length: 33.2" (830 mm)
    • Position: Center
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604201633
    • Wire Harness Length: 32" (800 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Audi A4 Oxygen Sensor
    More Info
    $107.21
  • Spectra Premium Oxygen Sensor for Audi A4 - OS6122

    Spectra Premium® Oxygen Sensor for Audi A4

    PartNumber: OS6122
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Rectangular / Oval
    • Installation Type: Screw
    • Location: Cylinders 4 To 6
    • OE Part Number: 06E906265N
    • Overall Length: 24.63" (625.6 mm)
    • Position: Downstream
    • UPC: 671607568875
    • Part Description: Audi A4 Oxygen Sensor
    More Info
    $43.77
  • NTK OE Type 5-Wire Wideband A/F Sensor for Audi A4 - 24317

    NTK® OE Type 5-Wire Wideband A/F Sensor for Audi A4

    PartNumber: 24317
    Product Specifications
    • Meets or Exceeds Original Equipment Manufacture Specifications: Yes
    • Mounting Bracket Included: No
    • Sensor Type: Heated
    • Thread Diameter: 18.000
    • Thread Length: 0.38
    • Universal Or Specific Fit: Specific
    • UPC: 087295243176
    • Wire Quantity: 5
    • Wiring Harness Length: 57.0
    • Part Description: Audi A4 OE Type 5-Wire Wideband A/F Sensor
    More Info
    $112.85
  • Walker Products Premium Oxygen Sensor for Audi A4 - 250-241143

    Walker Products® Premium Oxygen Sensor for Audi A4

    PartNumber: 250-241143
    Product Specifications
    • Connector Gender: Male
    • Overall Length: 17.83"(452.882 mm)
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620101908
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 14.29"(362.966 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Audi A4 Premium Oxygen Sensor
    More Info
    $104.21
  • Denso Air Fuel Ratio Sensor for Audi A4 - 234-5115

    Denso® Air Fuel Ratio Sensor for Audi A4

    PartNumber: 234-5115
    Product Specifications
    • Connector Gender: Male
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511116092
    • Wire Harness Length: 35.55" (903 mm)
    • Wires Quantity: 5 Wire Leads
    • Part Description: Audi A4 Air Fuel Ratio Sensor
    More Info
    $115.56
  • NTK OE Type Oxygen Sensor for Audi A4 - 25656

    NTK® OE Type Oxygen Sensor for Audi A4

    PartNumber: 25656
    Product Specifications
    • Mounting Type: Threaded
    • Sensor Type: Heated
    • Thread Diameter: 18.000
    • Universal Or Specific Fit: Specific
    • UPC: 087295256565
    • Wire Quantity: 4
    • Wiring Harness Length: 31.5000
    • Part Description: Audi A4 OE Type Oxygen Sensor
    More Info
    $106.34
  • Walker Products Wideband Premium Oxygen Sensor for Audi A4 - 250-25037

    Walker Products® Wideband Premium Oxygen Sensor for Audi A4

    PartNumber: 250-25037
    Product Specifications
    • Connector Gender: Male
    • Overall Length: 53.27"(1353.058 mm)
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620018619
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 49.72"(1262.888 mm)
    • Wires Quantity: 5 Wire Leads
    • Part Description: Audi A4 Wideband Premium Oxygen Sensor
    More Info
    $108.90
  • Delphi Oxygen Sensor for Audi A4 - ES20164

    Delphi® Oxygen Sensor for Audi A4

    PartNumber: ES20164
    Product Specifications
    • Connector Shape: Flat
    • Position: Rear
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604147450
    • Wire Harness Length: 67.6" (1690 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Audi A4 Oxygen Sensor
    More Info
    $99.06
  • Walker Products Oxygen Sensor for Audi A4 - 350-35064

    Walker Products® Oxygen Sensor for Audi A4

    PartNumber: 350-35064
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Overall Length: 53.27"
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620095290
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 49.72"
    • Wires Quantity: 5 Wire Leads
    • Part Description: Audi A4 Oxygen Sensor
    More Info
    $89.62
  • Denso Oxygen Sensor for Audi A4 - 234-4413

    Denso® Oxygen Sensor for Audi A4

    PartNumber: 234-4413
    Product Specifications
    • Connector Gender: Male
    • Installation Type: Screw
    • Location: Cylinder 4,5,6
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511115606
    • Wire Harness Length: 23.27" (591.1 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Audi A4 Oxygen Sensor
    More Info
    $92.29
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About Audi A4 Oxygen Sensor

The first-generation Audi A4 made its debut in October 1994. Audi A4 comes with plenty of quality vehicles and parts. For example, it has oxygen sensor parts. The oxygen sensor monitors the amount of oxygen that is in the exhaust. As an electronic device, it has the ability to measure oxygen that is in gas or liquid.
Audi A4 has lots of auto parts with impressive performance. But the oxygen sensor still needs repair and maintenance after a long time of usage. It is used to monitor the oxygen content in the exhaust gasses. The Audi A4 oxygen sensor can be tested by following the next steps. First, start the engine and bring it to operating temperature. Second, run the engine to 1200 rpm. Third, use a voltmeter to verify the sensor voltage the voltage of the sensor depends on the vehicle's recommended oxygen sensor voltage. We are here for you 24/7 online. We offer practical and durable Audi A4 parts of great value.