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Audi S4 Most Popular Parts

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Remanufactured Power Steering Rack

New Servotronic steering rack to restore your smooth steering - Includes refundable $390 core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with Servotronic (speed related variable steering assist) - Fits up to the 2012 model year

Brand:
Bosch - Corporate Logo
ES#:
4820755
Mfg#:
8T1422066BKT
In Stock
$2315.99

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

$2277.99 USD
This product is lifetime replacement eligible Lifetime Replacement

19" 5-Spoke 'Rotor' Wheels - Set Of Four

ES#2960424 - 8K0601025CNkt - 19" 5-Spoke 'Rotor' Wheels - Set Of Four - 19"x8.5" ET43 5x112 Gunmetal/ Aluminum face - Genuine Volkswagen Audi - Audi

19"x8.5" ET43 5x112 Gunmetal/ Aluminum face affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2960424
Mfg#:
8K0601025CNKT
Ships on Jun 30, 2026
$4554.84 USD
This product is lifetime replacement eligible Lifetime Replacement

18" BBS RE-V7 Wheels - Set Of Four

18x8.5 ET42 5x112 57.1CB - Diamond Black affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
BBS - Corporate Logo
ES#:
4753211
Mfg#:
REV7007DBKT
Ships on Jun 30, 2026
$4553.99 USD
This product is lifetime replacement eligible Lifetime Replacement

18" RSE10 - Set Of Four

ES#4732699 - 88.10.16bg.2KT - 18" RSE10 - Set Of Four - 18x9 ET45 5x112 57.1CB - Gloss Black - Neuspeed - Audi Volkswagen

18x9 ET45 5x112 57.1CB - Gloss Black affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Neuspeed - Corporate Logo
ES#:
4732699
Mfg#:
88.10.16BG.2KT
Ships on Jul 7, 2026
$1516.99 USD

18" RSe10R Wheels - Set Of Four

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

Brand:
Neuspeed - Corporate Logo
ES#:
5340080
Mfg#:
88.105.17NBRSKT
Ships in 3 Business Days
$1516.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Front Limited Slip Differential

ES#2836967 - 18309170WK - Front Limited Slip Differential - Put all your power to the ground! - Wavetrac - Audi

Put all your power to the ground! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with 01E 6-Speed manual transmission only

Brand:
Wavetrac - Corporate Logo
ES#:
2836967
Mfg#:
18309170WK
Ships in 2 Business Days
$1515.99 USD
Free Shipping

IE Harsh Climate 5" Oiled Filter & Sock Kit

ES#4465497 - IEINUU2 - IE Harsh Climate 5" Oiled Filter & Sock Kit - Direct replacement filter for all popular IE air intake kits with a 5" velocity stack. - Integrated Engineering - Audi Volkswagen

Direct replacement filter for all popular IE air intake kits with a 5" velocity stack. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
For vehicles that already have an IE intake

Brand:
Integrated Engineering - Corporate Logo
ES#:
4465497
Mfg#:
IEINUU2
In Stock
$76.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Camshaft Set - 272 / 264 Degree

A moderate increase for street vehicles affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Schrick - Corporate Logo
ES#:
4056149
Mfg#:
0457A1721641KT
Ships on Oct 1, 2026
$4541.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Clutch Master Cylinder

ES#4683086 - 8K1721401H - Clutch Master Cylinder - Includes clutch safety switch - Restore the feel of your clutch - LUK - Audi

Includes clutch safety switch - Restore the feel of your clutch affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
LUK - Corporate Logo
ES#:
4683086
Mfg#:
8K1721401H
Back Ordered
$245.99

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

$238.99 USD
Free Shipping
on orders $49 and up

Cam Chain Tensioner Kit

ES#4488369 - 078109087f88hKT - Cam Chain Tensioner Kit - Complete kit to replace both cam chain tensioners. Includes tensioners, hardware, gaskets, and tool! - Assembled By ECS - Audi Volkswagen

Complete kit to replace both cam chain tensioners. Includes tensioners, hardware, gaskets, and tool! 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#:
4488369
Mfg#:
078109087F88HKT
Ships in 6 Business Days
ON SALE! SAVE 23%
$589.99

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

$453.58 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Torx Head Self Tapping Screw (4.8 X 16 mm)

ES#2872975 - N90775001 - Torx Head Self Tapping Screw (4.8 X 16 mm) - Febi - Audi

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

Brand:
Febi - Corporate Logo
ES#:
2872975
Mfg#:
N90775001
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/B8.5 S4/S5 Carbon Fiber Left Side Engine Bay Cover

ES#3570284 - 023149ecs02KT - Audi B8/B8.5 S4/S5 Carbon Fiber Left Side Engine Bay Cover - Cover up unsightly under hood components with carbon fiber style! - ECS - Audi

Cover up unsightly under hood components with carbon fiber style! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3570284
Mfg#:
023149ECS02KT
Ships on Aug 31, 2026
Auto Notify
ON SALE! SAVE 15%
$241.99

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

$205.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

XB LED Projector Fog Lights - S5 Type - Pair

ES#4313748 - LF640 - XB LED Projector Fog Lights - S5 Type - Pair - Plug-and-play design that replaces the original halogen units using factory mounting points - Morimoto - Audi Volkswagen

Plug-and-play design that replaces the original halogen units using factory mounting points affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 2012 model year

Brand:
Morimoto - Corporate Logo
ES#:
4313748
Mfg#:
LF640
In Stock
$181.00 USD
Free Shipping
on orders $49 and up

Supercharger Inlet Kit - Carbon Fiber - Audi B8 S4/S5 3.0T

ES#2836833 - 000931ecs02aKT - Supercharger Inlet Kit - Carbon Fiber - Audi B8 S4/S5 3.0T - Replace the accordion throttle body hose with a smooth carbon fiber tube - ECS - Audi

Replace the accordion throttle body hose with a smooth carbon fiber tube affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2836833
Mfg#:
000931ECS02AKT
In Stock
ON SALE! SAVE 15%
$252.99

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

$215.04 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Filter Housing

ES#5335418 - 06M115401M - Filter Housing - Replace the broken of leaking filter housing. - Genuine Volkswagen Audi - Audi

Replace the broken of leaking filter housing. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5335418
Mfg#:
06M115401M
In Stock
1% off MSRP

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

$285.99

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

$281.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Tunnel Street Shield Aluminum Skid Plate Kit

ES#3610307 - 023780ecs02KT - ECS Tuning Tunnel Street Shield Aluminum Skid Plate Kit - Protect your vehicle's tunnel and improve aerodynamics - ECS - Audi

Protect your vehicle's tunnel and improve aerodynamics affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits Manual and DSG Transmissions

Brand:
ECS - Corporate Logo
ES#:
3610307
Mfg#:
023780ECS02KT
In Stock
ON SALE! SAVE 10%
$334.00

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

$300.60 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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