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Audi S4 Most Popular Parts

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Front & Rear Strut Install Kit

ES#5504424 - 8K0412377C3KTKT2 - Front & Rear Strut Install Kit - Includes all necessary hardware for installing front struts. - Assembled By ECS - Audi Porsche

Includes all necessary hardware for installing front struts. 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE

Brand:
Assembled By ECS - Corporate Logo
ES#:
5504424
Mfg#:
8K0412377C3KTKT2
Ships in 1-2 days
$332.99

This product was last offered at the strikethrough price on
08-31-2026

$330.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Timing Chain Kit - ultimate

ES#2762338 - 079109229KT3 - Complete Timing Chain Kit - ultimate - Everything need to get the job done - Assembled By ECS - Audi

Everything need to get the job done 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE

Brand:
Assembled By ECS - Corporate Logo
ES#:
2762338
Mfg#:
079109229KT3
Ships on Dec 2, 2026
$5314.99

This product was last offered at the strikethrough price on
06-01-2026

$4716.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Power Steering Fluid Reservoir

ES#5373785 - 8D0422376C - Power Steering Fluid Reservoir - Clean up your engine bay or replace a damaged reservoir - Atlantic Automotive Engineering - Audi Volkswagen

Clean up your engine bay or replace a damaged reservoir

Brand:
Atlantic Automotive Engineering - Corporate Logo
ES#:
5373785
Mfg#:
8D0422376C
Back Ordered
$25.99 USD
Free Shipping
on orders $49 and up

20" BBS CH-R Wheels - Set Of Four

ES#3138078 - CH118BPOKT1 - 20" BBS CH-R Wheels - Set Of Four - 20x8.5 ET40 5x112 66.6CB - Satin Black with Polished Rim Protector - BBS - Audi BMW Mercedes Benz

20x8.5 ET40 5x112 66.6CB - Satin Black with Polished Rim Protector

Brand:
BBS - Corporate Logo
ES#:
3138078
Mfg#:
CH118BPOKT1
Back Ordered
$3784.00

This product was last offered at the strikethrough price on
11-04-2026

$2812.99 USD
This product is lifetime replacement eligible Lifetime Replacement

18" BBS SR Wheels - Set Of Four

ES#4753222 - SR041VGPKKT1 - 18" BBS SR Wheels - Set Of Four - 18x8 ET30 5x112 66.6CB - Satin Black with Diamond Cut Face - BBS - Audi BMW Mercedes Benz MINI

18x8 ET30 5x112 66.6CB - Satin Black with Diamond Cut Face

Brand:
BBS - Corporate Logo
ES#:
4753222
Mfg#:
SR041VGPKKT1
Back Ordered
$2031.99

This product was last offered at the strikethrough price on
11-04-2026

$2030.99 USD
This product is lifetime replacement eligible Lifetime Replacement

18" BBS RI-A Wheels - Set Of Four

ES#4753247 - RIA023GLKT1 - 18" BBS RI-A Wheels - Set Of Four - 18x8.5 ET45 5x112 66.6CB - Gold - BBS - Audi BMW Mercedes Benz MINI

18x8.5 ET45 5x112 66.6CB - Gold

Brand:
BBS - Corporate Logo
ES#:
4753247
Mfg#:
RIA023GLKT1
Back Ordered
$4433.99

This product was last offered at the strikethrough price on
11-04-2026

$4372.99 USD
This product is lifetime replacement eligible Lifetime Replacement

18" BBS CH-R Wheels - Set Of Four

ES#3138059 - CH146SPOKT1 - 18" BBS CH-R Wheels - Set Of Four - 18x8.5 ET38 5x112 66.6CB - Brilliant Silver with Polished Rim Protector - BBS - Audi BMW Mercedes Benz MINI

18x8.5 ET38 5x112 66.6CB - Brilliant Silver with Polished Rim Protector

Brand:
BBS - Corporate Logo
ES#:
3138059
Mfg#:
CH146SPOKT1
Back Ordered
$2997.99

This product was last offered at the strikethrough price on
11-04-2026

$2252.99 USD
This product is lifetime replacement eligible Lifetime Replacement

18" BBS CH-R Wheels - Set Of Four

ES#3137838 - CH146SPOKT - 18" BBS CH-R Wheels - Set Of Four - 18x8.5 ET38 5x112 57.1CB - Brilliant Silver with Polished Rim Protector - BBS - Audi Volkswagen

18x8.5 ET38 5x112 57.1CB - Brilliant Silver with Polished Rim Protector

Brand:
BBS - Corporate Logo
ES#:
3137838
Mfg#:
CH146SPOKT
Back Ordered
$2997.99

This product was last offered at the strikethrough price on
11-04-2026

$2252.99 USD
This product is lifetime replacement eligible Lifetime Replacement

ER Series Coilover Suspension Kit - B9 Audi A4/S4

ES#5375563 - S-28-ER - ER Series Coilover Suspension Kit - B9 Audi A4/S4 - Get the high quality, unique features of the BC Racing "BR" and "RM" series with the added benefit of an external reservoir for superior performance! - BC Racing - Audi

Get the high quality, unique features of the BC Racing "BR" and "RM" series with the added benefit of an external reservoir for superior performance! For vehicles with production date from 7/12/2016 with 48.5mm front strut body without factory Electronic Damping Control.

Brand:
BC Racing - Corporate Logo
ES#:
5375563
Mfg#:
S-28-ER
Back Ordered
$2255.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BR Series Coilover Suspension Kit - B9 Audi A4/S4

ES#4424822 - S-28-BR - BR Series Coilover Suspension Kit - B9 Audi A4/S4 - Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors! - BC Racing - Audi

Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors! For vehicles with production date from 7/12/2016 with 48.5mm front strut body without factory Electronic Damping Control.

Brand:
BC Racing - Corporate Logo
ES#:
4424822
Mfg#:
S-28-BR
Back Ordered
$1195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DS Series Coilover Suspension Kit - B9 Audi A4/S4

ES#5375567 - S-27-DS - DS Series Coilover Suspension Kit - B9 Audi A4/S4 - BC Racing took the best features from their BR Series Coilover, engineered components to improve driver experience, and are proud to present the BC Racing DS series with digressive piston damping that dramatically improves suspension feel and feedback. - BC Racing - Audi

BC Racing took the best features from their BR Series Coilover, engineered components to improve driver experience, and are proud to present the BC Racing DS series with digressive piston damping that dramatically improves suspension feel and feedback. For vehicles with production date up to 7/11/2016 with 53mm front strut body without factory Electronic Damping Control.

Brand:
BC Racing - Corporate Logo
ES#:
5375567
Mfg#:
S-27-DS
Back Ordered
$1395.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DS Series Coilover Suspension Kit - B9 Audi A4/S4

ES#5375516 - S-35-DS - DS Series Coilover Suspension Kit - B9 Audi A4/S4 - BC Racing took the best features from their BR Series Coilover, engineered components to improve driver experience, and are proud to present the BC Racing DS series with digressive piston damping that dramatically improves suspension feel and feedback. - BC Racing - Audi

BC Racing took the best features from their BR Series Coilover, engineered components to improve driver experience, and are proud to present the BC Racing DS series with digressive piston damping that dramatically improves suspension feel and feedback. For vehicles with production date up to 7/11/2016 with 53mm front strut body with factory Electronic Damping Control.

Brand:
BC Racing - Corporate Logo
ES#:
5375516
Mfg#:
S-35-DS
Back Ordered
$1395.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DS Series Coilover Suspension Kit - B9 Audi A4/S4

ES#5375564 - S-28-DS - DS Series Coilover Suspension Kit - B9 Audi A4/S4 - BC Racing took the best features from their BR Series Coilover, engineered components to improve driver experience, and are proud to present the BC Racing DS series with digressive piston damping that dramatically improves suspension feel and feedback. - BC Racing - Audi

BC Racing took the best features from their BR Series Coilover, engineered components to improve driver experience, and are proud to present the BC Racing DS series with digressive piston damping that dramatically improves suspension feel and feedback. For vehicles with production date from 7/12/2016 with 48.5mm front strut body without factory Electronic Damping Control.

Brand:
BC Racing - Corporate Logo
ES#:
5375564
Mfg#:
S-28-DS
Back Ordered
$1395.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ER Series Coilover Suspension Kit - B9 Audi A4/S4

ES#5375566 - S-27-ER - ER Series Coilover Suspension Kit - B9 Audi A4/S4 - Get the high quality, unique features of the BC Racing "BR" and "RM" series with the added benefit of an external reservoir for superior performance! - BC Racing - Audi

Get the high quality, unique features of the BC Racing "BR" and "RM" series with the added benefit of an external reservoir for superior performance! For vehicles with production date up to 7/11/2016 with 53mm front strut body without factory Electronic Damping Control.

Brand:
BC Racing - Corporate Logo
ES#:
5375566
Mfg#:
S-27-ER
Back Ordered
$2255.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bentley Service Manual On CD

ES#2570088 - ac45 - Bentley Service Manual On CD - 1992 to 1998 Audi 100 / C4 Chassis A6 / S4 / S6 - Bentley - Audi

1992 to 1998 Audi 100 / C4 Chassis A6 / S4 / S6 Works on Windows Operating Systems Windows 2000 and XP only

Brand:
Bentley - Corporate Logo
ES#:
2570088
Mfg#:
AC45
Back Ordered
$155.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B4 OE Replacement Front Strut - Priced Each

ES#4390642 - 24-303828 - B4 OE Replacement Front Strut - Priced Each - Bilstein - Audi

10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bilstein - Corporate Logo
ES#:
4390642
Mfg#:
24-303828
Back Ordered
50% off MSRP

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

$368.00

This product was last offered at the strikethrough price on
11-06-2026

$184.00 USD
Free Shipping
on orders $49 and up

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