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Audi S4 Most Popular Parts

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Billet Washer Fluid Reservoir Cap - Clear Anodized

ES#4039270 - 022732ECS01-02 - Billet Washer Fluid Reservoir Cap - Clear Anodized - Lose the plastic! - ECS - Audi

Lose the plastic! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4039270
Mfg#:
022732ECS01-02
In Stock
ON SALE! SAVE 26%
$71.99

This product was last offered at the strikethrough price on
05-02-2026

$53.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fog Light Grille - Satin/Matte Black - Left

ES#2540955 - 8K0807681LZDE - Fog Light Grille - Satin/Matte Black - Left - Keep your exterior looking clean - Genuine Volkswagen Audi - Audi

Keep your exterior looking clean affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Matte Black molding

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2540955
Mfg#:
8K0807681LZDE
Ships in 2 Business Days
9% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$701.99

This product was last offered at the strikethrough price on
07-01-2026

$641.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear Premuim Brake Service Kit

ES#3184284 - 8D0698012KT3 - Front & Rear Premuim Brake Service Kit - Featuring premium rotors and Akebono Euro Ceramic Brake pads - Assembled By ECS - Audi

Featuring premium rotors and Akebono Euro Ceramic Brake pads affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3184284
Mfg#:
8D0698012KT3
Ships in 5 Business Days
ON SALE!
$658.99

This product was last offered at the strikethrough price on
05-02-2026

$641.56 USD
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 8mm with Ball Seat Bolts

ES#2788499 - 002411ECS04A8KT - Wheel Spacer & Bolt Kit - 8mm with Ball Seat Bolts - Includes everything you need to install our new wheel-centric spacers on two wheels - ECS - Audi

Includes everything you need to install our new wheel-centric spacers on two wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Designed to be used with OE wheels only

Brand:
ECS - Corporate Logo
ES#:
2788499
Mfg#:
002411ECS04A8KT
Ships on Nov 10, 2026
ON SALE!
$134.99

This product was last offered at the strikethrough price on
06-13-2026

$128.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Front Control Arm Hardware Kit

ES#5424 - 8d0498800kit - Complete Front Control Arm Hardware Kit - Includes all hardware for front upper and lower control arms for ease of service - Febi - Audi

Includes all hardware for front upper and lower control arms for ease of service affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
5424
Mfg#:
8D0498800KIT
Ships in 1 day
$79.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Compressor Flange Water Hose Kit - Right

ES#4056902 - 06e121546KT - Compressor Flange Water Hose Kit - Right - Connects the supercharger flange to the hard water line. Upper & lower spring clamps included. - Genuine Volkswagen Audi - Audi

Connects the supercharger flange to the hard water line. Upper & lower spring clamps included. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4056902
Mfg#:
06E121546KT
In Stock
$32.99

This product was last offered at the strikethrough price on
06-03-2026

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mid Exact-Fit Stainless Steel Brake Lines

ES#3450991 - 024677ECS01 - Mid Exact-Fit Stainless Steel Brake Lines - Mid set of DOT-compliant lines for an improved pedal feel - ECS - Audi

Mid set of DOT-compliant lines for an improved pedal feel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3450991
Mfg#:
024677ECS01
In Stock
ON SALE! SAVE 15%
$93.99

This product was last offered at the strikethrough price on
06-13-2026

$79.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#1910119 - 8E0121403F - Coolant Expansion Tank - Coolant level sensor enclosed in tank - Vaico - Audi

Coolant level sensor enclosed in tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
1910119
Mfg#:
8E0121403F
In Stock
ON SALE! SAVE 40%
$75.99

This product was last offered at the strikethrough price on
05-07-2026

$45.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B4 OE Replacement DampTronic Rear Strut - Priced Each

ES#4148169 - 26-296029 - B4 OE Replacement DampTronic Rear Strut - Priced Each - Engineered to restore original performance and handling. German-made with world-famous Bilstein quality and a limited lifetime warranty! - Bilstein - Audi

Engineered to restore original performance and handling. German-made with world-famous Bilstein quality and a limited lifetime warranty! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with electronic suspension

Brand:
Bilstein - Corporate Logo
ES#:
4148169
Mfg#:
26-296029
Ships on Jul 28, 2026
Auto Notify
$319.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Snub Mount With Bracket

ES#3219171 - 034-509-2006 - Snub Mount With Bracket - Greatly reduces unwanted engine movement without excess vibration - 034Motorsport - Audi

Greatly reduces unwanted engine movement without excess vibration affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3219171
Mfg#:
034-509-2006
Ships in 2 Business Days
ON SALE! SAVE 10%
$118.00

This product was last offered at the strikethrough price on
06-28-2026

$106.20 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Shift Kit - Audi B8 A4/A5/S5/S5

ES#2834823 - 004113ECS01KT - Ultimate Shift Kit - Audi B8 A4/A5/S5/S5 - Includes the ECS Adjustable Short Throw Shifter paired with BFI's Heavy Weight SCHWARZ Shift Knob - ECS / BFI - Audi

Includes the ECS Adjustable Short Throw Shifter paired with BFI's Heavy Weight SCHWARZ Shift Knob affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ECS / BFI
ES#:
2834823
Mfg#:
004113ECS01KT
In Stock
$636.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Lower Control Arm Bushing - Outer - Priced Each

ES#3188079 - 4E0407181B - Front Lower Control Arm Bushing - Outer - Priced Each - Fits the left and right side - Lemforder - Audi

Fits the left and right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For the straight control arm

Brand:
Lemforder - Corporate Logo
ES#:
3188079
Mfg#:
4E0407181B
Ships in 1 Business Day
$28.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B6 Heavy Duty Shocks & Struts Kit

ES#4017911 - 24-119788KT - B6 Heavy Duty Shocks & Struts Kit - A heavy duty upgrade for the performance-minded driver - German-made with the same famous lifetime warranty - Bilstein - Audi

A heavy duty upgrade for the performance-minded driver - German-made with the same famous lifetime warranty affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bilstein - Corporate Logo
ES#:
4017911
Mfg#:
24-119788KT
In Stock
$666.00

This product was last offered at the strikethrough price on
05-26-2026

$636.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fog Light Grille - Satin/Matte Black - Right

ES#2540960 - 8K0807682MZDE - Fog Light Grille - Satin/Matte Black - Right - Keep your exterior looking clean - Genuine Volkswagen Audi - Audi

Keep your exterior looking clean affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles without automatic distance control with matte black moldings

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2540960
Mfg#:
8K0807682MZDE
Ships in 2 Business Days
8% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$695.00

This product was last offered at the strikethrough price on
07-01-2026

$635.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

LED Tail Light Set - Red/Clear

ES#2842113 - YDAA409LLEDRC - LED Tail Light Set - Red/Clear - Upgrade your exterior looks - Spyder - Audi

Upgrade your exterior looks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with factory LED taillights

Brand:
Spyder - Corporate Logo
ES#:
2842113
Mfg#:
YDAA409LLEDRC
Back Ordered
$635.99 USD
This product is lifetime replacement eligible Lifetime Replacement

APR Upgraded Ignition Coils - Grey - Set Of Six

ES#4164405 - MS100203-6KT - APR Upgraded Ignition Coils - Grey - Set Of Six - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - APR - Audi Porsche

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
CARB certified for sale in all 50 states

Brand:
APR - Corporate Logo
ES#:
4164405
Mfg#:
MS100203-6KT
EO#:
D-783-5
In Stock
$317.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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