Enter Vehicle Year Make Model

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

Year
Make
Model
Options
Drivetrain

2021 Audi S4 Parts

What year is your
Free Same Day Shipping

2021 Audi S4

Filter Results
  • Notify When Available
    Control Arm with Ball Joint Set

    Replaces 2021 Audi S4 Front Driver & Passenger Side Forward & Rearward Upper 4 Piece Control Arm with Ball Joint Set TRQ PSA45576

    Brand: TRQ - PSA45576

    • Quantity: 4 Piece
    • Kit Includes: (2) Front Upper Rearward Control Arms with Ball Joints
    • Kit Includes: (2) Front Upper Forward Control Arms with Ball Joints
    $104.95
    Save 23%
    List $136.95 Save $32.00

    Guaranteed to Fit 2021 Audi S4

    Guaranteed to Fit 2021 Audi S4

  • Notify When Available
    Engine Water Pump

    Replaces 2021 Audi S4 Engine Water Pump TRQ WPA04224

    Brand: TRQ - WPA04224

    $61.95
    Save 23%
    List $80.95 Save $19.00

    Guaranteed to Fit 2021 Audi S4

    Guaranteed to Fit 2021 Audi S4

  • Notify When Available
    Brake Pad & Rotor Kit

    Replaces 2021 Audi S4 Front Ceramic Brake Pad & Rotor Kit TRQ BKA48162

    Brand: TRQ - BKA48162

    • Brake Pad Friction Material: Ceramic
    • Kit Includes: (2) Front Brake Rotors
    • Kit Includes: (1) Front Ceramic Brake Pad Set
    $189.95
    Save 19%
    List $235.95 Save $46.00

    Guaranteed to Fit 2021 Audi S4

    Guaranteed to Fit 2021 Audi S4

  • Notify When Available
    Brake Pads

    Replaces 2021 Audi S4 Front Ceramic Brake Pads TRQ BFA18996

    Brand: TRQ - BFA18996

    • Includes: Contact Point Grease
    • Includes: Hardware
    • Brake Pad Friction Material: Ceramic
    $54.95
    Save 25%
    List $72.95 Save $18.00

    Guaranteed to Fit 2021 Audi S4

    Guaranteed to Fit 2021 Audi S4

  • Notify When Available
    Control Arm with Ball Joint

    Replaces 2021 Audi S4 Front Passenger Side Lower Rearward Control Arm with Ball Joint TRQ PSA44246

    Brand: TRQ - PSA44246

    $86.95
    Save 24%
    List $114.95 Save $28.00

    Guaranteed to Fit 2021 Audi S4

    Guaranteed to Fit 2021 Audi S4

  • Notify When Available
    Control Arm

    Replaces 2021 Audi S4 Front Driver Side Forward Lower Control Arm TRQ PSA44243

    Brand: TRQ - PSA44243

    $61.95
    Save 25%
    List $82.95 Save $21.00

    Guaranteed to Fit 2021 Audi S4

    Guaranteed to Fit 2021 Audi S4

  • Notify When Available
    Tie Rod

    Replaces 2021 Audi S4 Front Driver Side Outer Tie Rod TRQ PSA44247

    Brand: TRQ - PSA44247

    $38.95
    Save 32%
    List $56.95 Save $18.00

    Guaranteed to Fit 2021 Audi S4

    Guaranteed to Fit 2021 Audi S4

  • Notify When Available
    Control Arm with Ball Joint

    Replaces 2021 Audi S4 Front Driver Side Rearward Upper Control Arm with Ball Joint TRQ PSA44253

    Brand: TRQ - PSA44253

    $49.95
    Save 17%
    List $59.95 Save $10.00

    Guaranteed to Fit 2021 Audi S4

    Guaranteed to Fit 2021 Audi S4

  • Notify When Available
    Kit image

    Replaces 2021 Audi S4 Driver & Passenger Side 2 Piece Hood Lift Support Set TRQ GSA44510

    Brand: TRQ - GSA44510

    • Quantity: 2 Piece
    • Kit Includes: (1) Passenger Side Hood Lift Support
    • Kit Includes: (1) Driver Side Hood Lift Support
    $39.95
    Save 31%
    List $57.95 Save $18.00

    Guaranteed to Fit 2021 Audi S4

    Guaranteed to Fit 2021 Audi S4

  • Notify When Available
    Control Arm with Ball Joint Set

    Replaces 2021 Audi S4 Front Driver Side Forward Lower 2 Piece Control Arm with Ball Joint Set TRQ PSA45565

    Brand: TRQ - PSA45565

    • Quantity: 2 Piece
    • Kit Includes: (1) Front Driver Side Lower Ball Joint
    • Kit Includes: (1) Front Driver Side Forward Lower Control Arm
    $71.95
    Save 30%
    List $102.95 Save $31.00

    Guaranteed to Fit 2021 Audi S4

    Guaranteed to Fit 2021 Audi S4

1

...

1 2 3 4 5

...

31
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.