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Audi S4 Most Popular Parts

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ECS Lug Bolts (Set Of 10) - 27mm

ES#5396561 - s17d27r13znniKT - ECS Lug Bolts (Set Of 10) - 27mm - Black zinc coated 27mm (OEM Length) ball set wheel bolts - ECS - Audi Volkswagen

Black zinc coated 27mm (OEM Length) ball set wheel bolts 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
5396561
Mfg#:
S17D27R13ZNNIKT
In Stock
ON SALE! SAVE 25%
$44.99

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

$33.68 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ball Seat Wheel Bolt - 14x1.5x40mm - Priced Per Pair

ES#4164435 - S17D40R13ZNNI2 - Ball Seat Wheel Bolt - 14x1.5x40mm - 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 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4164435
Mfg#:
S17D40R13ZNNI2
In Stock
ON SALE! SAVE 25%
$12.99

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

$9.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Radiator Upgrade

ES#4900053 - 034-102-1005 - 034Motorsport Radiator Upgrade - Replace your factory radiator with a larger, more efficient radiator to improve cooling capacity and maintain peak performance. - 034Motorsport - Audi

Replace your factory radiator with a larger, more efficient radiator to improve cooling capacity and maintain peak performance. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4900053
Mfg#:
034-102-1005
In Stock
$800.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front 2-Piece Brake Rotors - Pair (350x34)

ES#3493799 - 023938ecs01KT - Front 2-Piece Brake Rotors - Pair (350x34) - Direct bolt-on replacement - 16% less weight! - ECS - Audi

Direct bolt-on replacement - 16% less weight! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3493799
Mfg#:
023938ECS01KT
In Stock
ON SALE! SAVE 16%
$1052.99

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

$879.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Roller Rocker Arm - Priced Each

ES#3640370 - 0P2109417 - Roller Rocker Arm - Priced Each - Keep your lobes intact - Genuine Volkswagen Audi - Audi

Keep your lobes intact

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3640370
Mfg#:
0P2109417
In Stock
Limited Qty Sale
$43.99

This product was last offered at the strikethrough price on
08-19-2026

$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 3.0T Supercharger Coolant Bleeder Bolt - Priced Each

ES#3559302 - 025670ECS01 - Audi B8 3.0T Supercharger Coolant Bleeder Bolt - Priced Each - Get rid of the plastic bleeder bolts on the back of the supercharger! - ECS - Audi

Get rid of the plastic bleeder bolts on the back of the supercharger! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3559302
Mfg#:
025670ECS01
In Stock
ON SALE! SAVE 25%
$32.99

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

$24.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JHM HD Overdrive Lightweight Supercharger Crank Pulley (187mm)

ES#4045868 - 06E105251F-187mm - JHM HD Overdrive Lightweight Supercharger Crank Pulley (187mm) - Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly. - JH Motorsports - Audi Volkswagen Porsche

Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly. *To be used with 'Stage 2' software or software specific to a supercharger crank pulley upgrade*

Brand:
JH Motorsports - Corporate Logo
ES#:
4045868
Mfg#:
06E105251F-187MM
Ships in 6 Business Days
$324.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Brake Rotors - Pair (350x34)

ES#4067197 - 4M0615301ANKT2 - Front Brake Rotors - Pair (350x34) - Restore the stopping power in your vehicle - Zimmermann - Audi

Restore the stopping power in your vehicle We Price Match - Give Us A Call or Chat!

Brand:
Zimmermann - Corporate Logo
ES#:
4067197
Mfg#:
4M0615301ANKT2
In Stock
ON SALE! SAVE 42%
$384.99

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

$224.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport 3.0T Supercharger Pulley Upgrade

ES#3432403 - 034-145-Z034 - 034Motorsport 3.0T Supercharger Pulley Upgrade - Increased horsepower and torque throughout the powerband when paired with Stage 2 Performance Software. - 034Motorsport - Audi

Increased horsepower and torque throughout the powerband when paired with Stage 2 Performance Software. 2X Entries Into Our F80 M3 Sweepstakes
*3.0 TFSI Performance Software is sold separately and required in order for this pulley to yield a performance benefit.*

Brand:
034Motorsport - Corporate Logo
ES#:
3432403
Mfg#:
034-145-Z034
In Stock
$199.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 S4/S5 3.0T Performance Throttle Body Upgrade

ES#4382060 - 007911LA02KT - Audi B8 S4/S5 3.0T Performance Throttle Body Upgrade - Unleash the true potential of your supercharger! - ECS - Audi

Unleash the true potential of your supercharger! 10X Entries Into Our F80 M3 Sweepstakes
10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4382060
Mfg#:
007911LA02KT
In Stock
ON SALE! SAVE 20%
$642.99

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

$514.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Transfer Case Oil - priced each

ES#2726939 - G055515A2 - Transfer Case Oil - priced each - For proper maintenance of your transfer case - Genuine Volkswagen Audi - Audi Volkswagen

For proper maintenance of your transfer case For vehicles with Sport Diff Only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2726939
Mfg#:
G055515A2
Ships in 9 Business Days
$38.99 USD
Free Shipping
on orders $49 and up

ST X Performance Coilover System - Fixed Damping

ES#4056953 - 13210075 - ST X Performance Coilover System - Fixed Damping - Set your vehicle low and tight for optimal performance. - Suspension Techniques - Audi

Set your vehicle low and tight for optimal performance. Sedan Models Only - Average lowering of 0.6'' to 1.8'' front and 0.6" to 1.6" rear - Vehicles equipped with Electronic Damping Control (EDC) will lose shock dampening and receive a system error code with coilover systems

Brand:
Suspension Techniques - Corporate Logo
ES#:
4056953
Mfg#:
13210075
In Stock at Vendor
$1089.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heat Exchanger Kit - Bolt-On - Performance Multi-Pass - Silver

ES#4046103 - PMPHX30T40T - Heat Exchanger Kit - Bolt-On - Performance Multi-Pass - Silver - Installation of this kit is now easier than ever, without the need of removing the crash bar to drill holes for bracket mounting. - JH Motorsports - Audi

Installation of this kit is now easier than ever, without the need of removing the crash bar to drill holes for bracket mounting.

Brand:
JH Motorsports - Corporate Logo
ES#:
4046103
Mfg#:
PMPHX30T40T
Ships in 5 Business Days
$669.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Oil Service Kit

ES#2535605 - N0160276KT - Oil Service Kit - Includes OEM oil filter, drain plug/washer, and 8 quarts of OEM 502.00/505.00 High Performance Genuine Engine Oil (5w-40) - Genuine Volkswagen Audi - Audi

Includes OEM oil filter, drain plug/washer, and 8 quarts of OEM 502.00/505.00 High Performance Genuine Engine Oil (5w-40)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2535605
Mfg#:
N0160276KT
In Stock
$163.99

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

$157.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

S34 Carbon Fiber Intake

ES#4304717 - 034-108-1027 - S34 Carbon Fiber Intake - Improved power, supercharger sound, and overall performance. - 034Motorsport - Audi

Improved power, supercharger sound, and overall performance. 2X Entries Into Our F80 M3 Sweepstakes
CARB certified for sale in all 50 states

Brand:
034Motorsport - Corporate Logo
ES#:
4304717
Mfg#:
034-108-1027
EO#:
D-850-2
In Stock
$455.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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