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Audi S4 Most Popular Parts

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ES#4759299 - JE-30T-389543 - IE Spec JE Forged Pistons - Combination tested for up to 1000ft-lbs of torque, combine iE connecting rods and JE Pistons for unparalleled strength in your high-boost build. - Integrated Engineering - Audi

Combination tested for up to 1000ft-lbs of torque, combine iE connecting rods and JE Pistons for unparalleled strength in your high-boost build.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4759299
Mfg#:
JE-30T-389543
Ships in 4 Business Days
$2049.99 USD
Free Shipping
on orders $49 and up
ES#2084966 - 0B5105317K - DSG Flywheel - Does not include hardware - Genuine Volkswagen Audi - Audi

Does not include hardware DSG transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2084966
Mfg#:
0B5105317K
Ships on Nov 20, 2026
5% off MSRP

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

$2151.99

This product was last offered at the strikethrough price on
10-26-2026

$2048.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3449971 - 024686ECS02 - Rear Exact-Fit Stainless Steel Brake Lines - Rear set of DOT-compliant lines for an improved pedal feel - ECS - Audi Volkswagen

Rear set of DOT-compliant lines for an improved pedal feel 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3449971
Mfg#:
024686ECS02
In Stock
ON SALE!
$95.99

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

$93.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4013557 - 034-106-3031 - 750CC EV14 Bosch Fuel Injector - Priced Each - The most advanced injector we offer. - Bosch - Audi

The most advanced injector we offer. We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4013557
Mfg#:
034-106-3031
Ships in 2 Business Days
$127.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4150347 - 06E145723A - Compressor Intercooler Gasket - Priced Each - Seals the intercooler ends to the rear of the supercharger compressor - Ajusa - Audi Volkswagen

Seals the intercooler ends to the rear of the supercharger compressor

Brand:
Ajusa - Corporate Logo
ES#:
4150347
Mfg#:
06E145723A
In Stock
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4920226 - 06H109311B - Fuel Pump Cam Follower FUP3058 - Recommended to be replaced when replacing fuel pump - Hitachi - Audi BMW Volkswagen MINI

Recommended to be replaced when replacing fuel pump

Brand:
Hitachi - Corporate Logo
ES#:
4920226
Mfg#:
06H109311B
In Stock
$94.99

This product was last offered at the strikethrough price on
06-15-2026

$92.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2800160 - 4D0422821A - Complete Tie Rod - Priced Each  - Fits the left and right side & includes the inner and outer tie rod - Meyle HD - Audi Volkswagen

Fits the left and right side & includes the inner and outer tie rod 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle HD - Corporate Logo
ES#:
2800160
Mfg#:
4D0422821A
In Stock
$65.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3075941 - 10320MBW212Rkt - 20" V-FF 103 Style Wheels - Set Of Four - 20"x10" ET42 66.6CB 5x112 Mystic Black - Vorsteiner - Audi

20"x10" ET42 66.6CB 5x112 Mystic Black

Brand:
Vorsteiner - Corporate Logo
ES#:
3075941
Mfg#:
10320MBW212RKT
Ships on Jan 8, 2027
$2040.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4231891 - 8E0407272BA - Front Axle Assembly - Right  - Complete driveshaft with CV joints; ready for installation - GKN Drivetech - Audi

Complete driveshaft with CV joints; ready for installation

Brand:
GKN Drivetech - Corporate Logo
ES#:
4231891
Mfg#:
8E0407272BA
Ships in 1 Business Day
$524.99

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

$509.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2164644 - WHT005184 - High Pressure Fuel Pump O-Ring - Seals the high pressure fuel pump to the cylinder head. 31x2mm - Genuine Volkswagen Audi - Audi Volkswagen

Seals the high pressure fuel pump to the cylinder head. 31x2mm

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2164644
Mfg#:
WHT005184
In Stock
36% off MSRP

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

$18.50

This product was last offered at the strikethrough price on
11-01-2026

$11.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4931828 - vs519942571anKT - 19" Apex VS-5 Wheels - Set Of Four - 18x9 ET42 5x112 57.1CB - Anthracite - APEX Wheels - Audi Volkswagen

18x9 ET42 5x112 57.1CB - Anthracite 2X Entries Into Our F80 M3 Sweepstakes

Brand:
APEX Wheels - Corporate Logo
ES#:
4931828
Mfg#:
VS519942571ANKT
Back Ordered
$2036.00 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2017 - 50314 - Sport Springs - Set - Unrivaled comfort and performance. Average lowering of 1.2"F 1.0"R - H&R - Audi

Unrivaled comfort and performance. Average lowering of 1.2"F 1.0"R We Price Match - Give Us A Call or Chat!
Fits Sedan models only

Brand:
H&R - Corporate Logo
ES#:
2017
Mfg#:
50314
In Stock
15% off MSRP

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

$399.00

This product was last offered at the strikethrough price on
10-01-2026

$339.15 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2713629 - 50377 - Sport Springs - Set  - Unrivaled comfort and performance. Average lowering of 1.4"F 1.3"R - H&R - Audi

Unrivaled comfort and performance. Average lowering of 1.4"F 1.3"R We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
2713629
Mfg#:
50377
In Stock
15% off MSRP

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

$399.00

This product was last offered at the strikethrough price on
10-01-2026

$339.15 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4661038 - 6PK2449 - ECS Red Kevlar Accessory Belt 06E903137Q - Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. - ECS - Audi Mercedes Benz
ECS Tuning recommends this product.

Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. 10X Entries Into Our F80 M3 Sweepstakes

Up to the 2012 model year.

Brand:
ECS - Corporate Logo
ES#:
4661038
Mfg#:
6PK2449
In Stock
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818389 - 0791092291KT - Timing Chain Kit - Without Service Tools - Includes the upgraded RS4 lower metal guide rail, OEM, iwis and Bremmen chains, tensioners, and guides - The essentials necessary to get the job done! - Assembled By ECS - Audi

Includes the upgraded RS4 lower metal guide rail, OEM, iwis and Bremmen chains, tensioners, and guides - The essentials necessary to get the job done! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4818389
Mfg#:
0791092291KT
In Stock
ON SALE!
$1021.99

This product was last offered at the strikethrough price on
06-18-2026

$1016.21 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

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