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Audi S4 Most Popular Parts

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ES#4370310 - 48-275071 - Bilstein B16 PSS10 Suspension System - Height adjustable suspension system offering adjustable compression and rebound to dial in for competition, comfort, or anywhere in between. World-famous Bilstein quality with a limited lifetime warranty! - Bilstein - Audi

Height adjustable suspension system offering adjustable compression and rebound to dial in for competition, comfort, or anywhere in between. World-famous Bilstein quality with a limited lifetime warranty! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Without Electronic Suspension

Brand:
Bilstein - Corporate Logo
ES#:
4370310
Mfg#:
48-275071
Ships in 2 Business Days
31% off MSRP

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

$3573.00

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

$2473.00 USD
Free Shipping
on orders $49 and up
ES#4875812 - 003452LB04-02 - D2S Premium LED Conversion Kit - Series 2 - Set of 2 24,000lm combined plug and play LED headlight bulbs to replace your tired xenon bulbs - ZiZa - Audi BMW Volkswagen Mercedes Benz MINI

Set of 2 24,000lm combined plug and play LED headlight bulbs to replace your tired xenon bulbs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits cabriolet models only

Brand:
ZiZa - Corporate Logo
ES#:
4875812
Mfg#:
003452LB04-02
In Stock
ON SALE! SAVE 10%
$89.99

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

$80.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4745298 - 034-202-6006 - Billet Aluminum Front Main Seal - Replace the failure-prone stamped steel factory front main wiper seal - 034Motorsport - Audi

Replace the failure-prone stamped steel factory front main wiper seal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4745298
Mfg#:
034-202-6006
In Stock
$190.00 USD
Free Shipping
ES#4042975 - CTS-HW-266-192 - CTS Turbo Supercharger Crank Pulley Upgrade - 192mm - Larger diameter pulley increases the speed at which the supercharger spins, increasing the boost pressure output - CTS - Audi Porsche

Larger diameter pulley increases the speed at which the supercharger spins, increasing the boost pressure output affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Most Stage 2+ software tunes are compatible with this kit. Be sure to use the correct software for 192mm

Brand:
CTS - Corporate Logo
ES#:
4042975
Mfg#:
CTS-HW-266-192
Ships in 7 Business Days
$379.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4871918 - 06M121678H - Coolant Shut Off Valve - Controls the circulation of coolant within the engine via vacuum - Bremmen Parts - Audi

Controls the circulation of coolant within the engine via vacuum affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4871918
Mfg#:
06M121678H
Ships in 3 Business Days
ON SALE! SAVE 17%
$118.99

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

$98.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4668213 - 8K0615301M-S - Front V5 Slotted Brake Rotors - Set (345x30) - Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. - ECS - Audi

Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4668213
Mfg#:
8K0615301M-S
In Stock
ON SALE!
$461.99

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

$448.12 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4499830 - RA841C100200 - B9 S4/S5/SQ5 3.0T Intercooler kit - Increased volume and surface area, bar and plate cores with end tanks specifically designed to promote even airflow. - REVO - Audi

Increased volume and surface area, bar and plate cores with end tanks specifically designed to promote even airflow. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
REVO - Corporate Logo
ES#:
4499830
Mfg#:
RA841C100200
Back Ordered
$819.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2603075 - 002411ECS02AKT3 -  Wheel Spacer & Bolt Kit - 12.5mm With Ball Seat Bolts - Complete kit for two wheels, includes everything you need to install spacers - ECS - Audi

Complete kit for two wheels, includes everything you need to install spacers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits OEM wheels, or wheels that use OEM ball seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2603075
Mfg#:
002411ECS02AKT3
Back Ordered
Auto Notify
ON SALE! SAVE 25%
$167.99

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

$125.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3220567 - 078109087F - Cam Chain Tensioner - Cylinders 4-6 (Left) - Applies tension to the camshaft timing chain - Bremmen Parts - Audi Volkswagen

Applies tension to the camshaft timing chain affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
3220567
Mfg#:
078109087F
In Stock
ON SALE! SAVE 20%
$219.29

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

$175.43 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2070767 - DP31986C - Front RedStuff Performance Brake Pad Set - High performance street pad, featuring Kevlar technology - EBC - Audi

High performance street pad, featuring Kevlar technology affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
EBC - Corporate Logo
ES#:
2070767
Mfg#:
DP31986C
In Stock
5% off MSRP

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

$235.02

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

$223.27 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.37" stainless steel with quad 100mm Titanium tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From the 2013 model year

Brand:
Milltek Sport - Corporate Logo
ES#:
2827525
Mfg#:
SSXAU408
Ships in 3 Business Days
$4901.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4668220 - 06E121018K - Water Pump - New water pump with coolant housing, does not include pulley - Pierburg - Audi Volkswagen

New water pump with coolant housing, does not include pulley affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits from the 2013 model year (facelift)

Brand:
Pierburg - Corporate Logo
ES#:
4668220
Mfg#:
06E121018K
Ships on Jul 28, 2026
Auto Notify
$168.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3647760 - 48322 - Timing Chain Kit  - Includes new timing chains, tensioners, and timing cover gasket - Febi - Audi

Includes new timing chains, tensioners, and timing cover gasket 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#:
3647760
Mfg#:
48322
In Stock
Limited Qty Sale
$1321.99

This product was last offered at the strikethrough price on
04-20-2026

$979.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3005 - 8D0498998S1 - Complete High Durability Front Control Arm Kit - Includes all front control arms, HD tie rod ends, HD sway bar end links & hardware - Meyle HD - Audi Volkswagen

Includes all front control arms, HD tie rod ends, HD sway bar end links & hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
From VIN 8D-Y-080001, split is in 2000 model year

Brand:
Meyle HD - Corporate Logo
ES#:
3005
Mfg#:
8D0498998S1
In Stock
$714.99

This product was last offered at the strikethrough price on
05-08-2026

$543.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3514668 - 06E105251F - Crankshaft Pulley - Reduces vibrations and drives the accessory belt - URO - Audi Volkswagen

Reduces vibrations and drives the accessory belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3514668
Mfg#:
06E105251F
In Stock
$232.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3419105 - 022928ecs01KT - Carbon Fiber Fog Light Grille Overlay Set - Audi B8.5 A4/S4 - Masks the aluminum-look trim strips on the fog light grilles with carbon fiber - ECS - Audi

Masks the aluminum-look trim strips on the fog light grilles with carbon fiber affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits Facelift models from the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
3419105
Mfg#:
022928ECS01KT
In Stock
ON SALE! SAVE 15%
$173.99

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

$147.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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