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Audi S4 Most Popular Parts

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ECS 4.2 Performance Ignition Coil - Set Of Eight

ES#5338615 - 056059la07-8KT - ECS 4.2 Performance Ignition Coil - Set Of Eight - Increased energy output over OE coils for a stronger, more consistent spark! - ECS - Audi

Increased energy output over OE coils for a stronger, more consistent spark! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
5338615
Mfg#:
056059LA07-8KT
Ships on Aug 4, 2026
Auto Notify
ON SALE! SAVE 20%
$287.99

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

$230.34 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

18" ZTF-R01 Forged Wheels - Set Of Four

ES#5444735 - 0346040001bz2KT - 18" ZTF-R01 Forged Wheels - Set Of Four - 18"x8.5" ET45 CB57.1/66.6mm 5x112 - Bronze - 034Motorsport - Audi BMW Volkswagen

18"x8.5" ET45 CB57.1/66.6mm 5x112 - Bronze affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
5444735
Mfg#:
0346040001BZ2KT
Ships in 2 Business Days
$2300.00 USD
This product is lifetime replacement eligible Lifetime Replacement

JHM Oil Cooler and Auxiliary Radiator Delete Kit

ES#4045944 - B67OCARDK - JHM Oil Cooler and Auxiliary Radiator Delete Kit - The solution for this issue that deletes the auxiliary radiator while also improving oil cooling and oil capacity. - JH Motorsports - Audi

The solution for this issue that deletes the auxiliary radiator while also improving oil cooling and oil capacity. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports - Corporate Logo
ES#:
4045944
Mfg#:
B67OCARDK
Ships in 10 Business Days
$1149.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Axle Assembly - Right

ES#4057257 - 8D0407272BC - Front Axle Assembly - Right - Replace your worn or broken axle - TrakMotive - Audi Volkswagen

Replace your worn or broken axle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
TrakMotive - Corporate Logo
ES#:
4057257
Mfg#:
8D0407272BC
In Stock
$117.99

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

$114.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 Billet Tunnel Brace - Black

ES#3476922 - 023781ECS01-01 - Audi B9 Billet Tunnel Brace - Black - Replace your small and weak stamped brace with heavy-duty billet aluminum! - ECS - Audi

Replace your small and weak stamped brace with heavy-duty billet aluminum! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3476922
Mfg#:
023781ECS01-01
In Stock
ON SALE! SAVE 20%
$168.99

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

$135.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B5 S4 Center Differential Delete - NO WELDING NEEDED

ES#4637661 - 015434LA01A - B5 S4 Center Differential Delete - NO WELDING NEEDED - Easily allows the removal of center differential when converting your B5 S4 to RWD (rear wheel drive) from Quattro - ECS - Audi

Easily allows the removal of center differential when converting your B5 S4 to RWD (rear wheel drive) from Quattro affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4637661
Mfg#:
015434LA01A
Ships on Oct 28, 2026
ON SALE! SAVE 25%
$611.99

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

$458.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Crankshaft Seal With Flange

ES#3419418 - 06E103153E - Front Crankshaft Seal With Flange - Stop oil leaks and prevent internal engine damage - Elring - Audi

Stop oil leaks and prevent internal engine damage 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:
Elring - Corporate Logo
ES#:
3419418
Mfg#:
06E103153E
In Stock
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Spring Seat - priced each

ES#280753 - 06E109641A - Valve Spring Seat - priced each - Keeps the valve spring in place - Genuine Volkswagen Audi - Audi Volkswagen

Keeps the valve spring in place affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280753
Mfg#:
06E109641A
In Stock
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

19" BBS SR Wheels - Set Of Four

ES#3138788 - SR028SGKT - 19" BBS SR Wheels - Set Of Four - 19x8.5 ET46 5x112 57.1CB - Satin Grey - BBS - Audi Volkswagen

19x8.5 ET46 5x112 57.1CB - Satin Grey affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
BBS - Corporate Logo
ES#:
3138788
Mfg#:
SR028SGKT
Ships on Jul 8, 2026
$2293.99 USD
This product is lifetime replacement eligible Lifetime Replacement

19" BBS XR Wheels - Set Of Four

ES#4753489 - XR0203BGKT - 19" BBS XR Wheels - Set Of Four - 19x8.5 ET44 5x112 57.1CB - Gloss Black - BBS - Audi Volkswagen

19x8.5 ET44 5x112 57.1CB - Gloss Black affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
BBS - Corporate Logo
ES#:
4753489
Mfg#:
XR0203BGKT
Ships on Jul 8, 2026
$2293.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Lower Radiator Hose

ES#252442 - 8E0121055AD - Lower Radiator Hose - Complete assembly with quick-coupling piece - Genuine Volkswagen Audi - Audi

Complete assembly with quick-coupling piece affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Connects thermostat to the lower main radiator and the left side additional radiator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
252442
Mfg#:
8E0121055AD
In Stock at Vendor
20% off MSRP

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

$238.99

This product was last offered at the strikethrough price on
04-17-2026

$190.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#1831805 - 077905115T - Ignition Coil - Priced Each - Keep your engine running smooth - Bremi - Audi Volkswagen

Keep your engine running smooth affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Bremi - Corporate Logo
ES#:
1831805
Mfg#:
077905115T
In Stock at Vendor
$26.65

This product was last offered at the strikethrough price on
04-09-2026

$24.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacers - 20mm (Pair)

ES#250711 - 002403ECS03A20KT - ECS Wheel Spacers - 20mm (Pair) - Exclusively built for your 57.1mm centerbore VW/Audi - ECS - Audi Volkswagen

Exclusively built for your 57.1mm centerbore VW/Audi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
250711
Mfg#:
002403ECS03A20KT
In Stock
ON SALE! SAVE 10%
$140.99

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

$126.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Wheel Bearing Kit

ES#2627311 - 8E0498625BKT2 - Front Wheel Bearing Kit - Includes both front wheel bearings and installation hardware - SKF - Audi Volkswagen

Includes both front wheel bearings and installation hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SKF - Corporate Logo
ES#:
2627311
Mfg#:
8E0498625BKT2
In Stock
$379.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Clutch Masters Billet Aluminum OE Replacement Slave Cylinder

ES#4821016 - SC-02050 - Clutch Masters Billet Aluminum OE Replacement Slave Cylinder - Direct adjustable replacement for the factory slave cylinder - Clutch Masters - Audi

Direct adjustable replacement for the factory slave cylinder affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Clutch Masters - Corporate Logo
ES#:
4821016
Mfg#:
SC-02050
In Stock
15% off MSRP

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

$335.00

This product was last offered at the strikethrough price on
06-19-2026

$284.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacers - 8mm (Pair)

ES#2167465 - 002411ECS01A08KT - ECS Wheel Spacers - 8mm (Pair) - Add some flair to your car with our new wheel spacers - ECS - Audi BMW Porsche

Add some flair to your car with our new wheel spacers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Designed to be used with aftermarket wheels

Brand:
ECS - Corporate Logo
ES#:
2167465
Mfg#:
002411ECS01A08KT
In Stock
ON SALE!
$95.99

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

$91.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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