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Audi B5 S4 2.7T Most Popular Parts

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ES#1896 - B5S4S4BBKRXS - ECS "Stage 4" Front Big Brake Kit - B5/B6/B7/C5 - Enhance braking performance with this plug-and-play upgrade! Featuring massive 6-piston calipers, lightweight 2-piece brake rotors, and all components needed for installation. - ECS - Audi

Enhance braking performance with this plug-and-play upgrade! Featuring massive 6-piston calipers, lightweight 2-piece brake rotors, and all components needed for installation. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
1896
Mfg#:
B5S4S4BBKRXS
In Stock
ON SALE!
$1999.99

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

$1899.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#4001248 - FMDV008R - 008 Premium Diverter Valve - *Limited Edition* Red*  - Smaller, tougher and tuneable! *Limited edition red finish* - Forge - Audi Volkswagen Porsche

Smaller, tougher and tuneable! *Limited edition red finish* affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Limited Editions ONLY at ECS Tuning : Limited Stock so Act Fast
2 required

Brand:
Forge - Corporate Logo
ES#:
4001248
Mfg#:
FMDV008R
Ships in 5 Business Days
$180.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4212766 - MM.N.065 - D2S 6000K XB 35W HID Bulbs - Pair - Quality replacement xenon bulbs from Morimoto - Morimoto - Audi BMW Volkswagen Mercedes Benz MINI

Quality replacement xenon bulbs from Morimoto affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Morimoto - Corporate Logo
ES#:
4212766
Mfg#:
MM.N.065
In Stock
$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3570418 - VWR630001 - VWR Stud & Nut Conversion Kit - Conical Seat - 70mm Studs - Replace those fussy bolts with Racingline's high tensile stud & lightweight nut conversion - Racingline - Audi Volkswagen

Replace those fussy bolts with Racingline's high tensile stud & lightweight nut conversion affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
3570418
Mfg#:
VWR630001
Ships in 3 Business Days
$206.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2777310 - s1au004 - Audi B5 A4/S4 Solo-Werks S1 Coilovers  - Set your vehicle low and tight for optimal performance - Solo-Werks - Audi

Set your vehicle low and tight for optimal performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Lowering front: 1.5" - 3", rear: 1.5" - 3"

Brand:
Solo-Werks - Corporate Logo
ES#:
2777310
Mfg#:
S1AU004
In Stock
$649.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4620276 - JHM-DCSBCI-AUDI - Driveshaft Center Support Bearing Carrier Insert Kit - No cutting requited! - JH Motorsports  - Audi

No cutting requited! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports  - Corporate Logo
ES#:
4620276
Mfg#:
JHM-DCSBCI-AUDI
In Stock
$139.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2622576 - 002403ECS02A10KT -  ECS Wheel Spacers - 10mm (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#:
2622576
Mfg#:
002403ECS02A10KT
In Stock
ON SALE! SAVE 35%
$104.99

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

$67.85 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#257461 - 92010A426 -  Stainless Steel Brake Rotor Set Screw - Priced Each - Holds brake rotor to hub when wheel is removed (M6x16). 18-8 stainless material provides added protection against oxidation and corrosion. - ECS - Audi Volkswagen Porsche

Holds brake rotor to hub when wheel is removed (M6x16). 18-8 stainless material provides added protection against oxidation and corrosion. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
257461
Mfg#:
92010A426
In Stock
ON SALE! SAVE 25%
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5340079 - 88.105.17NBSKT - 18" RSe10R Wheels - Set Of Four - 18x8.5 ET45 5x112 57.1CB - Satin Black - Neuspeed - Audi Volkswagen

18x8.5 ET45 5x112 57.1CB - Satin Black affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Neuspeed - Corporate Logo
ES#:
5340079
Mfg#:
88.105.17NBSKT
In Stock
$1516.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4314833 - 698-1KT - 18" Style 698 - Set Of Four - 18"x8" ET45 5x112 - Gloss Black - Alzor - Audi Volkswagen

18"x8" ET45 5x112 - Gloss Black affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Wheel spacers may be necessary for front caliper clearance

Brand:
Alzor - Corporate Logo
ES#:
4314833
Mfg#:
698-1KT
In Stock
ON SALE! SAVE 25%
$1175.99

This product was last offered at the strikethrough price on
02-26-2026

$881.97 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4159275 - S17D45R13ZNNI-2 - Ball Seat Wheel Bolt - 14x1.5x45mm - Priced Per Pair  - Black zinc coated wheel bolts made specifically for OE wheels - ECS - Audi Volkswagen

Black zinc coated wheel bolts made specifically for OE wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4159275
Mfg#:
S17D45R13ZNNI-2
In Stock
ON SALE! SAVE 30%
$11.99

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

$8.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2864576 - 034-401-1000 - Density Line Adjustable Upper Control Arm Kit (Camber Correcting)  - Adds positive camber to eliminate inner tire wear and reach factory alignment specs - 034Motorsport - Audi Volkswagen

Adds positive camber to eliminate inner tire wear and reach factory alignment specs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2864576
Mfg#:
034-401-1000
In Stock
$604.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2608947 - 628-7KT2 - 19" Style 628 Wheels - Set Of Four - 19x8.5 ET45 5x112 57.1CB - Gloss Gunmetal/Machined Face - Alzor - Audi Volkswagen

19x8.5 ET45 5x112 57.1CB - Gloss Gunmetal/Machined Face affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Alzor - Corporate Logo
ES#:
2608947
Mfg#:
628-7KT2
In Stock
ON SALE! SAVE 40%
$1310.00

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

$785.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2748192 - 00240302A10KT4 - ECS Wheel Spacer & Bolt Kit - 10mm With Black Conical Seat Bolts - Includes everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Includes everything you need to install spacers on two wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2748192
Mfg#:
00240302A10KT4
In Stock
ON SALE! SAVE 30%
$137.99

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

$96.38 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2739493 - 06A145710N - 710N Diverter Valve - Priced Each - A great upgrade for stock to mildly tuned engines - Kayser - Audi Volkswagen

A great upgrade for stock to mildly tuned engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Two per vehicle

Brand:
Kayser - Corporate Logo
ES#:
2739493
Mfg#:
06A145710N
In Stock
11% off MSRP

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

$46.99

This product was last offered at the strikethrough price on
06-04-2026

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2863233 - 002403ECS02AKT3 - Wheel Spacer & Bolt Kit - 12.5mm with Black Ball Seat Bolts - Includes everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Includes everything you need to install spacers on two wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2863233
Mfg#:
002403ECS02AKT3
In Stock
ON SALE! SAVE 35%
$185.39

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

$120.50 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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