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Audi S4 Most Popular Parts

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Front Crankshaft Seal

ES#2718797 - 038103085E - Front Crankshaft Seal - Stop oil leaks and prevent internal engine damage. 35x48x10 - Elring - Audi Volkswagen

Stop oil leaks and prevent internal engine damage. 35x48x10 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2718797
Mfg#:
038103085E
In Stock
$9.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

K04/K03 Turbocharger Installation Kit

ES#2724103 - RS4KO4INSTKt - K04/K03 Turbocharger Installation Kit - Includes all hardware & gaskets to install turbos - plus turbo mounting bolts - Assembled By ECS - Audi

Includes all hardware & gaskets to install turbos - plus turbo mounting bolts 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#:
2724103
Mfg#:
RS4KO4INSTKT
Ships in 6 Business Days
ON SALE! SAVE 19%
$218.65

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

$177.18 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Starter - New

ES#2643208 - 078911023D - Starter - New - New unit - No core charge required - Bosch - Audi Volkswagen

New unit - No core charge required affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2643208
Mfg#:
078911023D
Back Ordered
$727.99

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

$706.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Koni Sport Shocks And Struts - Set Of Four

ES#2219806 - 86-2149SPORT - Koni Sport Shocks And Struts - Set Of Four - Add the legendary performance of Koni shocks and struts to your Audi - Koni - Audi

Add the legendary performance of Koni shocks and struts to your Audi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Koni - Corporate Logo
ES#:
2219806
Mfg#:
86-2149SPORT
Back Ordered
ON SALE! SAVE 20%
$885.99

This product was last offered at the strikethrough price on
02-16-2026

$706.85 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Drain Plug

ES#2792760 - N90813201 - Oil Drain Plug - Includes crush washer. M14x1.5 - Febi - Audi Volkswagen

Includes crush washer. M14x1.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2792760
Mfg#:
N90813201
In Stock
$5.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear Cross Drilled Rotor Set (350x34mm/330x22mm)

ES#5444975 - B930FRR4KT - Front & Rear Cross Drilled Rotor Set (350x34mm/330x22mm) - Zimmerman Sport drilled rotors deliver excellent braking performance! - Zimmermann - Audi

Zimmerman Sport drilled rotors deliver excellent braking performance! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Zimmermann - Corporate Logo
ES#:
5444975
Mfg#:
B930FRR4KT
In Stock
$820.99

This product was last offered at the strikethrough price on
04-30-2026

$705.96 USD
This product is lifetime replacement eligible Lifetime Replacement

Shocks & Struts - Koni Sports (Set Of Four)

ES#2219836 - 8040-1283SPORT - Shocks & Struts - Koni Sports (Set Of Four) - Add the legendary performance of Koni shocks and struts to your Audi - Koni - Audi

Add the legendary performance of Koni shocks and struts to your Audi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Koni - Corporate Logo
ES#:
2219836
Mfg#:
8040-1283SPORT
In Stock at Vendor
ON SALE! SAVE 20%
$883.99

This product was last offered at the strikethrough price on
02-16-2026

$705.63 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Lower Control Arm Brace - Audi B8 A4/A5/S4/S5

ES#3478040 - 008050ecs01KT - Rear Lower Control Arm Brace - Audi B8 A4/A5/S4/S5 - Provides additional support to the rear lower control arms for flex reduction to enhance your driving experience - ECS - Audi

Provides additional support to the rear lower control arms for flex reduction to enhance your driving experience affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3478040
Mfg#:
008050ECS01KT
Ships on Aug 11, 2026
Auto Notify
ON SALE! SAVE 25%
$187.99

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

$140.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#4818443 - 06C905163B - Camshaft Position Sensor - Located on the side of the camshaft in the cylinder head. - Bremmen Parts - Audi Volkswagen

Located on the side of the camshaft in the cylinder head. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Right side cam position sensor

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818443
Mfg#:
06C905163B
In Stock
ON SALE! SAVE 21%
$36.99

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

$29.37 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Wiper Arm - Left

ES#2523009 - 8E1955407C - Front Wiper Arm - Left - Keep your windshield clean and clear - Genuine Volkswagen Audi - Audi

Keep your windshield clean and clear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For sedan and avant models only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2523009
Mfg#:
8E1955407C
Ships in 4 Business Days
14% off MSRP

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

$136.67

This product was last offered at the strikethrough price on
06-28-2026

$117.45 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sway Bar Teflon Bushing Rebuild & Upgrade Kit - 25.4mm Pair

ES#4905885 - 034-402-Z062 - Sway Bar Teflon Bushing Rebuild & Upgrade Kit - 25.4mm Pair - Replacement Bushing Set for 034-402-1003, 034-402-1005, 034-402-1007, 034-402-1008 and, 034-402-1035. Rear Position. - 034Motorsport - Audi

Replacement Bushing Set for 034-402-1003, 034-402-1005, 034-402-1007, 034-402-1008 and, 034-402-1035. Rear Position. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4905885
Mfg#:
034-402-Z062
In Stock
ON SALE! SAVE 10%
$32.00

This product was last offered at the strikethrough price on
06-28-2026

$28.80 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Upper Strut Mount - Priced Each

ES#4138988 - 8K0412377D - Front Upper Strut Mount - Priced Each - Keep your suspension in top shape - Fits left & right side - KYB - Audi

Keep your suspension in top shape - Fits left & right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
KYB - Corporate Logo
ES#:
4138988
Mfg#:
8K0412377D
Ships in 1 Business Day
$45.99

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

$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Guide Rail - Priced Each

ES#5445308 - 079109513D - Upper Guide Rail - Priced Each - Upper guide rail for the cam chain tensioner - Fits right or left tensioner - Bremmen Parts - Audi

Upper guide rail for the cam chain tensioner - Fits right or left tensioner affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5445308
Mfg#:
079109513D
In Stock
ON SALE! SAVE 20%
$39.99

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

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lightweight Alternator Pulley - Black

ES#3086 - 001551ECS02A-01 - Lightweight Alternator Pulley - Black - NOT an under drive pulley, reduces rotational mass of stock pulley system. - ECS - Audi

NOT an under drive pulley, reduces rotational mass of stock pulley system. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3086
Mfg#:
001551ECS02A-01
In Stock
ON SALE!
$96.99

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

$87.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Axle Flange Seal - Priced Each

ES#3450009 - 02D525596F - Axle Flange Seal - Priced Each - Stop leaks from your differential - Corteco - Audi Volkswagen

Stop leaks from your differential affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits the left & right side for vehicles with Torque Vectoring differentials

Brand:
Corteco - Corporate Logo
ES#:
3450009
Mfg#:
02D525596F
In Stock
$12.99

This product was last offered at the strikethrough price on
04-24-2026

$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supersprint Center Section Connecting Pipes

ES#3054021 - 764422 - Supersprint Center Section Connecting Pipes - Left and right side connecting pipes center section - To be installed with 764403 or 764413 - Supersprint - Audi

Left and right side connecting pipes center section - To be installed with 764403 or 764413 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supersprint - Corporate Logo
ES#:
3054021
Mfg#:
764422
Ships on Sep 30, 2026
$702.00 USD
Free Shipping

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