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Audi S4 Most Popular Parts

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Audi Thrust Arm Monoball Upgrade Kit - Front Lower, Inner

ES#4389692 - 006418la01KT - Audi Thrust Arm Monoball Upgrade Kit - Front Lower, Inner - Eliminate deflection caused by stock rubber bushings! - ECS - Audi

Eliminate deflection caused by stock rubber bushings! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
4389692
Mfg#:
006418LA01KT
In Stock
$438.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Kit

ES#4418372 - 06E121018BKT - Water Pump Kit - Includes a new HD water pump and thermostat - Assembled By ECS - Audi

Includes a new HD water pump and thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits up to the 2012 model year (pre-facelift)

Brand:
Assembled By ECS - Corporate Logo
ES#:
4418372
Mfg#:
06E121018BKT
Ships in 3 Business Days
ON SALE!
$219.99

This product was last offered at the strikethrough price on
01-03-2026

$203.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Solid Rear Sway Bar - 25.4mm

ES#2864583 - 034-402-1000 - Solid Rear Sway Bar - 25.4mm - Substantially reduce understeer and body roll - 034Motorsport - Audi

Substantially reduce understeer and body roll affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2864583
Mfg#:
034-402-1000
In Stock
$332.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Priced Each

ES#7573 - BKR6EQUP - Spark Plugs - Priced Each - BKR6EQUP / 3199 - NGK - Audi BMW

BKR6EQUP / 3199 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
NGK - Corporate Logo
ES#:
7573
Mfg#:
BKR6EQUP
In Stock
$9.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Hub - Priced Each

ES#3246200 - 8K0407613B - Wheel Hub - Priced Each - Does not include wheel bearing - Febi - Audi

Does not include wheel bearing 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#:
3246200
Mfg#:
8K0407613B
In Stock
$152.99

This product was last offered at the strikethrough price on
04-13-2026

$139.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 15mm With Black Conical Seat Bolts

ES#2748194 - ECS10157KTWBC1 - ECS Wheel Spacer & Bolt Kit - 15mm 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! USE CODE ECS20 IN CART FOR BEST PRICE
Fits most aftermarket wheels that require conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748194
Mfg#:
ECS10157KTWBC1
In Stock
$164.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Special Active Shock Absorber - Priced Each

ES#3560586 - 80451265 - Rear Special Active Shock Absorber - Priced Each - Superior handling without compromising ride quality - Koni - Audi

Superior handling without compromising ride quality affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vehicles equipped with Electronic Damping Control (EDC) will lose factory shock damping and receive a system error code

Brand:
Koni - Corporate Logo
ES#:
3560586
Mfg#:
80451265
In Stock
ON SALE! SAVE 20%
$161.22

This product was last offered at the strikethrough price on
02-27-2026

$128.62 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Pulley - 6 Bolt

ES#4881203 - 06M121031G - Water Pump Pulley - 6 Bolt - 6 Bolt pulley that attaches to the water pump - Genuine Volkswagen Audi - Audi

6 Bolt pulley that attaches to the water pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4881203
Mfg#:
06M121031G
In Stock
2% off MSRP

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

$198.99

This product was last offered at the strikethrough price on
06-12-2026

$195.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel-It! FLEX FUEL KIT For AUDI S4

ES#4499539 - FIFFKB8S4 - Fuel-It! FLEX FUEL KIT For AUDI S4 - If you're running E85 or ethanol mixes in your Audi, you need this kit! - Fuel-It! - Audi

If you're running E85 or ethanol mixes in your Audi, you need this kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fuel-It! - Corporate Logo
ES#:
4499539
Mfg#:
FIFFKB8S4
Ships in 1 Business Day
$454.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B6/B7 Manual - Driveshaft Center Support Bearing Carrier

ES#4616120 - 012185la01KT - B6/B7 Manual - Driveshaft Center Support Bearing Carrier - As our beloved B6/B7 age the stock center support bearing starts to wear out causing drivetrain clunk. This upgrade keeps the driveshaft firmly in place at all times and its polyurethane construction ensures it will outlast the squishy rubber bushing - ECS - Audi

As our beloved B6/B7 age the stock center support bearing starts to wear out causing drivetrain clunk. This upgrade keeps the driveshaft firmly in place at all times and its polyurethane construction ensures it will outlast the squishy rubber bushing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
4616120
Mfg#:
012185LA01KT
In Stock
$302.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Rear RedStuff Performance Brake Pad Set

ES#2070769 - DP31988C - Rear 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#:
2070769
Mfg#:
DP31988C
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.

$179.39

This product was last offered at the strikethrough price on
06-12-2026

$170.42 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

8100 X-Clean Engine Oil (5w-40) - 5 Liter

ES#1928404 - 3374650233888 - 8100 X-Clean Engine Oil (5w-40) - 5 Liter - 100% Synthetic engine oil specially designed around the demands of direct fuel injection engines. - Motul - Audi BMW Volkswagen

100% Synthetic engine oil specially designed around the demands of direct fuel injection engines. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Motul - Corporate Logo
ES#:
1928404
Mfg#:
3374650233888
In Stock
$58.99 USD
Free Shipping
on orders $49 and up

Carbon Fiber Antenna Cover

ES#3191300 - 022697ECS01 - Carbon Fiber Antenna Cover - Add a unique, lightweight look to your ride - ECS - Audi Volkswagen

Add a unique, lightweight look to your ride affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

Fits from the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
3191300
Mfg#:
022697ECS01
In Stock
$97.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ball Seat Wheel Bolt - 14x1.5x37mm - Priced Per Pair

ES#4164434 - S17D37R13znni2 - Ball Seat Wheel Bolt - 14x1.5x37mm - 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! USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
4164434
Mfg#:
S17D37R13ZNNI2
In Stock
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

01E 6-speed Full Rebuild Kit W/ JHM Updated 1-2 Collar

ES#4045855 - 01E311239L-kit - 01E 6-speed Full Rebuild Kit W/ JHM Updated 1-2 Collar - FULL 01E Rebuild Kit with JHM Performance Carbon Synchros and the JHM updated 1-2 Shift Collar - Fix it right the first time! - JH Motorsports - Audi

FULL 01E Rebuild Kit with JHM Performance Carbon Synchros and the JHM updated 1-2 Shift Collar - Fix it right the first time! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*Please see fitment notes in long description prior to ordering*

Brand:
JH Motorsports - Corporate Logo
ES#:
4045855
Mfg#:
01E311239L-KIT
Ships in 4 Business Days
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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