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Audi S4 Most Popular Parts

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B8 Performance Plus Rear Shock - Priced Each

ES#4044760 - 24-262323 - B8 Performance Plus Rear Shock - Priced Each - Compliments factory sport package or lowering springs with a remarkably comfortable sport ride. World-famous Bilstein quality with a limited lifetime warranty! - Bilstein - Audi

Compliments factory sport package or lowering springs with a remarkably comfortable sport ride. World-famous Bilstein quality with a limited lifetime warranty! 10X Entries Into Our F80 M3 Sweepstakes

For vehicles without electronic suspension

Brand:
Bilstein - Corporate Logo
ES#:
4044760
Mfg#:
24-262323
In Stock
33% off MSRP

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

$222.00

This product was last offered at the strikethrough price on
10-23-2026

$149.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Titanium Ball Seat Wheel Bolt - 14x1.5x27mm - Priced Each

ES#3552850 - 025384ECS02-01 - Titanium Ball Seat Wheel Bolt - 14x1.5x27mm - Priced Each - Lightweight, corrosion resistant, high performance lug bolt - ECS - Audi Volkswagen

Lightweight, corrosion resistant, high performance lug bolt 10X Entries Into Our F80 M3 Sweepstakes
Stock length bolt for use without spacers

Brand:
ECS - Corporate Logo
ES#:
3552850
Mfg#:
025384ECS02-01
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

Street Density Line Transmission Mount

ES#2952012 - 034-509-4001sd - Street Density Line Transmission Mount - Increase performance and durability without sacrificing comfort - 034Motorsport - Audi

Increase performance and durability without sacrificing comfort 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2952012
Mfg#:
034-509-4001SD
In Stock
$116.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Camber Correcting Density Line Control Arm Kit - Front

ES#4159575 - 034-401-1054 - Camber Correcting Density Line Control Arm Kit - Front - Includes lower control arms, upper adjustable control arms, M14 ball joints and all necessary hardware. - 034Motorsport - Audi

Includes lower control arms, upper adjustable control arms, M14 ball joints and all necessary hardware. 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with M14 ball joints

Brand:
034Motorsport - Corporate Logo
ES#:
4159575
Mfg#:
034-401-1054
Ships in 2 Business Days
$1276.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Brake Pad Wear Sensor Bypass - Priced Each

ES#2825687 - 002595ECS04A - Brake Pad Wear Sensor Bypass - Priced Each - Ideal for custom applications or to eliminate the OEM wear sensor - ECS - Audi

Ideal for custom applications or to eliminate the OEM wear sensor 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2825687
Mfg#:
002595ECS04A
In Stock
ON SALE! SAVE 41%
$39.99

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

$23.48 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Kohlefaser Luft-Technik Intake System - Red Carbon/Kevlar - Audi B8 S4/S5 3.0T

ES#3648559 - 000931ECS0102KT2 - Kohlefaser Luft-Technik Intake System - Red Carbon/Kevlar - Audi B8 S4/S5 3.0T - Engineered for dyno proven performance and show quality looks! - ECS - Audi

Engineered for dyno proven performance and show quality looks! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3648559
Mfg#:
000931ECS0102KT2
In Stock
ON SALE! SAVE 15%
$830.99

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

$706.34 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front & Rear Brake Service Kit

ES#4830256 - 4M0615301AN8KT - Front & Rear Brake Service Kit - Featuring Zimmermann Cross-Drilled rotors and ECS DD23 Daily Driver ceramic pads - Includes set screws, brake wear sensors, and silicone brake lubricant - Assembled By ECS - Audi

Featuring Zimmermann Cross-Drilled rotors and ECS DD23 Daily Driver ceramic pads - Includes set screws, brake wear sensors, and silicone brake lubricant 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4830256
Mfg#:
4M0615301AN8KT
Ships on Dec 4, 2026
ON SALE! SAVE 41%
$1070.99

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

$631.88 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Platinum White H7 Halogen Bulb - Pair

ES#11130 - ZZH7BSPLWA - Platinum White H7 Halogen Bulb - Pair - Comparable to 7500k HID color for increased intensity & visual appeal - ZiZa - Audi BMW Volkswagen MINI

Comparable to 7500k HID color for increased intensity & visual appeal 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ZiZa - Corporate Logo
ES#:
11130
Mfg#:
ZZH7BSPLWA
In Stock
ON SALE! SAVE 10%
$29.99

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

$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Short Throw Shifter - Audi B6/B7 A4/S4

ES#3023144 - 009198ECS01 - Adjustable Short Throw Shifter - Audi B6/B7 A4/S4 - Find your perfect setting with 3 steps of throw reduction - ECS - Audi

Find your perfect setting with 3 steps of throw reduction 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3023144
Mfg#:
009198ECS01
In Stock
$393.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump

ES#3437891 - 8K0919051AS - Fuel Pump - Includes sending unit and fuel filter - Continental - Audi

Includes sending unit and fuel filter We Price Match - Give Us A Call or Chat!
From the 2013 model year without flexfuel (e85) fuel option (Plastic intake manifold)

Brand:
Continental - Corporate Logo
ES#:
3437891
Mfg#:
8K0919051AS
In Stock
$654.99

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

$629.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Density Line Street Density Motor Mount - Priced Each

ES#3183549 - 034-509-0008-SD - Density Line Street Density Motor Mount - Priced Each - Void-free and fluid-free, eliminating the slop associated with the factory mounts - 034Motorsport - Audi

Void-free and fluid-free, eliminating the slop associated with the factory mounts 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3183549
Mfg#:
034-509-0008-SD
In Stock
$128.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Caliper Bolt - Priced Each

ES#472036 - N91147601 - Caliper Bolt - Priced Each - Bolt that secures the caliper/carrier to the spindle. M14x1.5x48 - Genuine Volkswagen Audi - Audi Porsche

Bolt that secures the caliper/carrier to the spindle. M14x1.5x48

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
472036
Mfg#:
N91147601
In Stock
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 5mm With Black Conical Seat Bolts

ES#2748279 - 6-ECS-015 - Wheel Spacer & Bolt Kit - 5mm With Black Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi

Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels 10X Entries Into Our F80 M3 Sweepstakes
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748279
Mfg#:
6-ECS-015
Ships on Dec 7, 2026
ON SALE! SAVE 25%
$140.99

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

$105.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR Lug Bolts (Set of 10) - 45mm

ES#3570138 - MS100177 - APR Lug Bolts (Set of 10) - 45mm - Black zinc coated 45mm ball set wheel bolts to be used with 15mm wheel spacers - APR - Audi Volkswagen

Black zinc coated 45mm ball set wheel bolts to be used with 15mm wheel spacers Call In Or Chat For Best Price!

Brand:
APR - Corporate Logo
ES#:
3570138
Mfg#:
MS100177
In Stock
ON SALE! SAVE 10%
$56.35

This product was last offered at the strikethrough price on
09-28-2026

$50.72 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

D3S Xenon Bulb - Priced Each

ES#3183280 - N10721806 - D3S Xenon Bulb - Priced Each - Get your exterior light shining bright again - Genuine Volkswagen Audi - Audi Volkswagen

Get your exterior light shining bright again

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3183280
Mfg#:
N10721806
In Stock
18% off MSRP

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

$270.37

This product was last offered at the strikethrough price on
10-23-2026

$222.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B6 Performance DampTronic Front Strut - Priced Each

ES#4390655 - 26-296036 - B6 Performance DampTronic Front Strut - Priced Each - Unbelievable control, precise handling, ultimate performance and incredible comfort. German-made with world-famous Bilstein quality and a limited lifetime warranty! A heavy duty upgrade for the performance minded driver. - Bilstein - Audi

Unbelievable control, precise handling, ultimate performance and incredible comfort. German-made with world-famous Bilstein quality and a limited lifetime warranty! A heavy duty upgrade for the performance minded driver. 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with factory electronic dampening control
For vehicles with electronic suspension (49mm diameter strut)

Brand:
Bilstein - Corporate Logo
ES#:
4390655
Mfg#:
26-296036
In Stock
33% off MSRP

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

$713.00

This product was last offered at the strikethrough price on
10-23-2026

$479.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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