Enter Vehicle Year Make Model

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

Year
Make
Model
Options
Drivetrain

2001 Audi A4 Knock Sensor

What year is your
Free Same Day Shipping

2001 Audi A4 Knock Sensor

Filter Results
  • Notify When Available
    Engine Knock Sensor

    Replaces 2001 Audi A4 L4 1.8L Engine Knock Sensor TRQ ESA90084

    Brand: TRQ - ESA90084
    $23.95
    Save 33%
    List $35.95 Save $12.00

    Guaranteed to Fit 2001 Audi A4

    Guaranteed to Fit 2001 Audi A4

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.