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
    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
    Ball Joint Set

    Replaces Audi Front Driver & Passenger Side 2 Piece Ball Joint Set TRQ PSA66971

    Brand: TRQ - PSA66971

    • Quantity: 2 Piece
    • Kit Includes: (1) Front Passenger Side Lower Ball Joint
    • Kit Includes: (1) Front Driver Side Lower Ball Joint
    $54.95
    Save 14%
    List $63.95 Save $9.00
  • Notify When Available
    09-16 Audi A4; 10-16 A5; 12-14 A6; 13-15 Allroad; 15-16 Q3; 09-16 Q5 w/2.0L Radiator

    Replaces Audi A4 A4 Quattro A5 A5 Quattro Q5 Primary Radiator TRQ RDA83015

    1 reviews
    Brand: TRQ - RDA83015

    $159.95
    Save 17%
    List $192.95 Save $33.00
  • Notify When Available
    Oxygen Sensor

    Replaces Dodge Hyundai Kia Audi Fiat O2 Oxygen Sensor TRQ OSA61757

    5 reviews
    Brand: TRQ - OSA61757

    $76.95
    Save 16%
    List $91.95 Save $15.00
  • Notify When Available
    High Pressure Fuel Pump

    Replaces Audi High Pressure Fuel Pump TRQ FPA60455

    5 reviews
    Brand: TRQ - FPA60455

    $186.95
    Save 13%
    List $214.95 Save $28.00
  • Notify When Available

    VIDEO

    O2 Oxygen Sensor

    Replaces Ford VW Audi Porsche O2 Oxygen Sensor TRQ OSA60399

    2 reviews
    Brand: TRQ - OSA60399

    $71.95
    Save 15%
    List $84.95 Save $13.00
  • Notify When Available

    VIDEO

    Ignition Kit

    Replaces VW Audi 8 Piece Ignition Kit TRQ Performance TKA05816

    5 reviews
    Brand: TRQ Performance - TKA05816

    • Kit Includes: (4) Spark Plugs
    • Quantity: 8 Piece
    • Ignition Coil Type: Performance
    • Ignition Coil Color: Red
    • Spark Plug Type: Iridium
    • Kit Includes: (4) Performance Ignition Coils
    $136.95
    Save 22%
    List $174.95 Save $38.00
  • Notify When Available

    VIDEO

    Engine Knock Sensor

    Replaces VW Audi Engine Knock Sensor TRQ ESA90006

    Brand: TRQ - ESA90006
    $34.95
    Save 15%
    List $40.95 Save $6.00
  • Notify When Available
    Intake Manifold

    Replaces VW Audi Intake Manifold TRQ IMA80694

    Brand: TRQ - IMA80694

    $95.95
    Save 14%
    List $111.95 Save $16.00
  • 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
    $54.95
    Save 14%
    List $63.95 Save $9.00
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.