Enter Vehicle Year Make Model

Specify your vehicle's year, make and model to guarantee fit.

Year
Make
Model
Options
Drivetrain

Audi A4 Emissions & Sensors

What year is your
Free Same Day Shipping

Audi A4 Emissions & Sensors

Filter Results
  • Notify When Available
    13-17 Mazda; Scion; Toyota Oxygen Sensor

    Replaces VW Audi Porsche O2 Oxygen Sensor TRQ OSA61714

    Brand: TRQ - OSA61714

    $65.95
    Save 20%
    List $82.95 Save $17.00
  • Notify When Available
    MAP Sensor

    Replaces VW Audi MAP Sensor TRQ ESA95888

    Brand: TRQ - ESA95888
    $34.95
  • Notify When Available

    VIDEO

    99-04 Audi VW Multifit Dowstream O2 Oxygen Sensor

    Replaces VW Audi Porsche O2 Oxygen Sensor TRQ OSA61197

    3 reviews
    Brand: TRQ - OSA61197

    $39.95
    Save 22%
    List $50.95 Save $11.00
  • Notify When Available
    98-02 Audi A4; 98-01 A6, VW Passat w/2.8L (eng ID AHA) Mass Air Flow Meter w/Housing

    Replaces VW Audi Mass Air Flow Sensor DIY Solutions EMS00078

    Brand: DIY Solutions - EMS00078

    $54.95
    Save 27%
    List $74.95 Save $20.00
  • Notify When Available
    06-08 A3, GTI, Passat; 05-09 A4; 08-09 TT; 07-09 EOS; 12-13 Golf R w/2.0L AFM w/Housing

    Replaces VW Audi Mass Air Flow Sensor DIY Solutions EMS00121

    3 reviews
    Brand: DIY Solutions - EMS00121

    $64.95
    Save 28%
    List $89.95 Save $25.00
  • Notify When Available
    O2 Oxygen Sensor

    Replaces VW Audi Porsche O2 Oxygen Sensor TRQ OSA60682

    Brand: TRQ - OSA60682

    $66.95
    Save 28%
    List $92.95 Save $26.00
  • Notify When Available
    O2 Oxygen Sensor

    Replaces Audi A4 A4 Quattro A6 A6 Quattro O2 Oxygen Sensor TRQ OSA61463

    Brand: TRQ - OSA61463

    $39.95
    Save 25%
    List $52.95 Save $13.00
  • Notify When Available

    VIDEO

    O2 Oxygen Sensor

    Replaces VW Audi O2 Oxygen Sensor TRQ OSA61799

    3 reviews
    Brand: TRQ - OSA61799

    $34.95
    Save 31%
    List $50.95 Save $16.00
  • Notify When Available

    VIDEO

    O2 Oxygen Sensor

    Replaces VW Audi O2 Oxygen Sensor TRQ OSA61270

    3 reviews
    Brand: TRQ - OSA61270

    $39.95
    Save 22%
    List $50.95 Save $11.00
  • Notify When Available
    O2 Oxygen Sensor

    Replaces Audi O2 Oxygen Sensor TRQ OSA60635

    Brand: TRQ - OSA60635

    $49.95
    Save 21%
    List $62.95 Save $13.00
1

...

1 2 3 4 5

...

5
Close



Same Day Shipping

Need your part faster? Choose expedited shipping at checkout.

Guaranteed To Fit

Highest quality, direct fit replacement auto parts enforced to the strictest product standards.

USA Customer Support

Exceeding customers' expectations, our team of passionate auto enthusiasts are here to help.

Instructional Video Library

Thousands of how-to auto repair videos to guide you step-by-step through your repair.

Go To Top
Specify your vehicle

Specify your vehicle's year, make and model to guarantee fit.

Year
Make
Model
Options
Drivetrain

If your vehicle isn't listed, close the window to return to search.