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Audi S4 Most Popular Parts

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APR Supercharger Crank Pulley Upgrade (187mm)

ES#3219162 - MS100133 - APR Supercharger Crank Pulley Upgrade (187mm) - Increases diameter of factory pulley from ~162mm to ~187mm, which in turn spins the supercharger ~15.4% faster! - APR - Audi Porsche

Increases diameter of factory pulley from ~162mm to ~187mm, which in turn spins the supercharger ~15.4% faster! Call In Or Chat For Best Price!
APR Stage II software is required to run any upgraded Pulley configuration and is sold separately - Pleas

Brand:
APR - Corporate Logo
ES#:
3219162
Mfg#:
MS100133
Ships in 5 Business Days
11% off MSRP

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

$393.99

This product was last offered at the strikethrough price on
11-06-2026

$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PCV Breather Line Kit - Billet Fittings

ES#5516610 - TGK-0311-03 - PCV Breather Line Kit - Billet Fittings - Completely eliminates these vulnerabilities with precision-engineered components designed for sustained high-performance operation. - TGK Motorsport - Audi

Completely eliminates these vulnerabilities with precision-engineered components designed for sustained high-performance operation.

Brand:
TGK Motorsport - Corporate Logo
ES#:
5516610
Mfg#:
TGK-0311-03
Ships in 5 Business Days
$349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pro Series Main Stud Set

ES#4780217 - WAG-P201050810.B - Pro Series Main Stud Set - When running big power, the OE studs simply won't cut it! - Wagner Tuning - Audi

When running big power, the OE studs simply won't cut it!

Brand:
Wagner Tuning - Corporate Logo
ES#:
4780217
Mfg#:
WAG-P201050810.B
Ships in 2 Business Days
$349.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Right Rear Upper Control Arm

ES#4852549 - 8W0505324F - Right Rear Upper Control Arm - Keep your suspension tight - Mevotech - Audi

Keep your suspension tight

Brand:
Mevotech
ES#:
4852549
Mfg#:
8W0505324F
Ships in 1 Business Day
$181.00

This product was last offered at the strikethrough price on
06-09-2026

$174.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Left Rear Upper Control Arm

ES#4852482 - 8W0505323F - Left Rear Upper Control Arm - Keep your suspension tight - Mevotech - Audi

Keep your suspension tight

Brand:
Mevotech
ES#:
4852482
Mfg#:
8W0505323F
Ships in 1 Business Day
$181.00

This product was last offered at the strikethrough price on
06-09-2026

$174.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Grab Handle Sunglasses Case - Black

ES#4830349 - ATK-PR-0037 - Grab Handle Sunglasses Case - Black - The perfect accessory for the stylish and practical driver - AUTOTECKNIC - Audi

The perfect accessory for the stylish and practical driver

Brand:
AUTOTECKNIC - Corporate Logo
ES#:
4830349
Mfg#:
ATK-PR-0037
Ships in 7 Business Days
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Inner C/V Joint Boot Kit - Priced Each

ES#1485 - 443498201B - Inner C/V Joint Boot Kit - Priced Each - Complete boot kit with hardware and grease - GKN Drivetech - Audi

Complete boot kit with hardware and grease Manual transmission vehicles only

Brand:
GKN Drivetech - Corporate Logo
ES#:
1485
Mfg#:
443498201B
Ships on Jan 18, 2027
$23.31 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Slotted Brake Rotors - Pair (350x34)

Upgrade your looks and performance with a set of slotted rotors!

Brand:
Emmanuele Design - Corporate Logo
ES#:
4872025
Mfg#:
EMD-35034-PR
Ships in 10 Business Days
$349.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#2500528 - 5304058905105KIT - Ignition Service Kit - Includes six Beru coil packs and Denso spark plugs to service your ignition - Assembled By ECS - Audi

Includes six Beru coil packs and Denso spark plugs to service your ignition 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE

Brand:
Assembled By ECS - Corporate Logo
ES#:
2500528
Mfg#:
5304058905105KIT
In Stock
$417.99

This product was last offered at the strikethrough price on
09-15-2026

$348.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#4905736 - 8E0121251AJ - Radiator - Keep your engine cool with a new radiator - Nissens - Audi

Keep your engine cool with a new radiator We Price Match - Give Us A Call or Chat!
Fits vehicles with automatic transmission ONLY

Brand:
Nissens - Corporate Logo
ES#:
4905736
Mfg#:
8E0121251AJ
In Stock
$348.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Complete Front Control Arm Kit

ES#2984804 - 8D0498998 - Complete Front Control Arm Kit - Includes all front control arms and hardware - plus tie rod ends and sway bar end links! - Optimal - Audi Volkswagen

Includes all front control arms and hardware - plus tie rod ends and sway bar end links! Includes the A4 style tie rod ends. From VIN 8D-Y-080001, split is in 2000 model year

Brand:
Optimal - Corporate Logo
ES#:
2984804
Mfg#:
8D0498998
Special Order: No Guaranteed ETA
$348.99 USD
This product is lifetime replacement eligible Lifetime Replacement

A/C Evaporator

ES#3188159 - 8E1820103A - A/C Evaporator - Transfers the cool air to the interior cabin - Nissens - Audi

Transfers the cool air to the interior cabin We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
3188159
Mfg#:
8E1820103A
Ships in 6 Business Days
$195.99

This product was last offered at the strikethrough price on
11-06-2026

$174.08 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hawk DTC-70 Race Brake Pad Set

ES#1873791 - HB194U.570 - Hawk DTC-70 Race Brake Pad Set - Extremely high torque track pad with an aggressive yet controllable bite - Hawk - Audi

Extremely high torque track pad with an aggressive yet controllable bite

Brand:
Hawk - Corporate Logo
ES#:
1873791
Mfg#:
HB194U.570
In Stock
10% off MSRP

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

$385.99

This product was last offered at the strikethrough price on
11-06-2026

$347.99 USD
Free Shipping

Hawk Blue 9012 Front Brake Pad Set

ES#1873604 - HB122E.710 - Hawk Blue 9012 Front Brake Pad Set - Designed as an entry level endurance compound, there's nothing second-string about Hawk's Blue 9012 race compound! - Hawk - Audi

Designed as an entry level endurance compound, there's nothing second-string about Hawk's Blue 9012 race compound!

Brand:
Hawk - Corporate Logo
ES#:
1873604
Mfg#:
HB122E.710
Ships on Nov 25, 2026
10% off MSRP

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

$385.99

This product was last offered at the strikethrough price on
11-06-2026

$347.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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