Enter Vehicle Year Make Model

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

Year
Make
Model
Options
Drivetrain

Audi A4 Parts

What year is your
Free Same Day Shipping

Audi A4

Filter Results
  • Notify When Available
    97-06 A4; 00-06 TT; 00-06 Golf; 00-05 Jetta; 98-05 Passat; 98-10 Bet w/1.8L Trbo Bst Cntrl Sol Valve

    Replaces VW Audi Boost Control Valve TRQ ESA35957

    2 reviews
    Brand: TRQ - ESA35957
    $56.95
    Save 21%
    List $71.95 Save $15.00
  • Notify When Available

    VIDEO

    Wheel Bearing & Hub Assembly Set

    Replaces Audi Front Driver & Passenger Side 2 Piece Wheel Bearing & Hub Assembly Set TRQ BHA51482

    18 reviews
    Brand: TRQ - BHA51482

    • Quantity: 2 Piece
    • Kit Includes: (1) Front Driver Side Wheel Bearing & Hub Assembly
    • Kit Includes: (1) Front Passenger Side Wheel Bearing & Hub Assembly
    $130.95
    Save 18%
    List $158.95 Save $28.00
  • Notify When Available
    O2 Oxygen Sensor

    Replaces VW Audi O2 Oxygen Sensor TRQ OSA60679

    1 reviews
    Brand: TRQ - OSA60679

    $79.95
    Save 13%
    List $91.95 Save $12.00
  • Notify When Available
    Engine Water Pump

    Replaces VW Audi Engine Water Pump TRQ WPA87065

    2 reviews
    Brand: TRQ - WPA87065

    $84.95
    Save 26%
    List $114.95 Save $30.00
  • Notify When Available

    VIDEO

    Kit image

    Replaces Audi 12 Piece Ignition Kit TRQ ICA71883

    2 reviews
    Brand: TRQ - ICA71883

    • Kit Includes: (6) Spark Plugs
    • Quantity: 12 Piece
    • Kit Includes: (6) Ignition Coils
    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Red
    • Spark Plug Type: Iridium
    $162.95
    Save 18%
    List $197.95 Save $35.00
  • Notify When Available
    Engine Water Pump

    Replaces VW Audi Engine Water Pump TRQ WPA04284

    3 reviews
    Brand: TRQ - WPA04284

    $149.95
    Save 13%
    List $172.95 Save $23.00
  • Notify When Available

    VIDEO

    Spark Plug Set

    Replaces 6 Piece Spark Plug Set TRQ SPA02144

    9 reviews
    Brand: TRQ - SPA02144

    • Spark Plug Type: Iridium
    • Quantity: 6 Piece
    • Kit Includes: (6) Spark Plugs
    $46.95
    Save 10%
    List $51.95 Save $5.00
  • Notify When Available
    11-16 Audi A4, A5, Q5; 13-15 AllRoad Front Lwr Rearward Ctrl Arm w/ Balljoint LF

    Replaces Audi Front Driver Side Control Arm with Ball Joint TRQ PSA84330

    Brand: TRQ - PSA84330

    $86.95
    Save 30%
    List $123.95 Save $37.00
  • Notify When Available
    Ignition Coil Set

    Replaces VW Audi 4 Piece Ignition Coil Set TRQ Performance ICA79706

    5 reviews
    Brand: TRQ Performance - ICA79706

    • Quantity: 4 Piece
    • Kit Includes: (4) TRQ Ignition Coils
    • Ignition Coil Type: Performance
    • Ignition Coil Color: Red
    $125.95
    Save 21%
    List $158.95 Save $33.00
  • Notify When Available

    VIDEO

    Kit image

    Replaces VW Audi 8 Piece Ignition Kit TRQ ICA71803

    7 reviews
    Brand: TRQ - ICA71803

    • Kit Includes: (4) Spark Plugs
    • Quantity: 8 Piece
    • Kit Includes: (4) Ignition Coils
    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    • Spark Plug Type: Iridium
    $110.95
    Save 22%
    List $141.95 Save $31.00
1

...

1 2 3 4 5

...

109
Close



Audi is a registered trademark of Audi AG. 1A Auto is not affiliated with or sponsored by Audi or Audi AG. See all trademarks.
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.