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Audi S4 Most Popular Parts

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Auxiliary Fan Control Unit

ES#3235894 - 8D0959501D - Auxiliary Fan Control Unit - Controls the actuation of the radiator fan - Gates - Audi

Controls the actuation of the radiator fan

Brand:
Gates - Corporate Logo
ES#:
3235894
Mfg#:
8D0959501D
Ships in 6 Business Days
$332.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Manual Transmission Service Kit - With Magnetic Drain Plug

ES#2569942 - N10037106KT - Manual Transmission Service Kit - With Magnetic Drain Plug - Featuring Redline MT-90 fluid to service your transmission - Assembled By ECS - Audi

Featuring Redline MT-90 fluid to service your transmission 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2569942
Mfg#:
N10037106KT
In Stock
ON SALE!
$107.99

This product was last offered at the strikethrough price on
09-29-2026

$99.84 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Injector Insert - Priced Each

ES#2528886 - 06D133036K - Injector Insert - Priced Each - Secures the fuel injector correctly into the cylinder head - Genuine Volkswagen Audi - Audi

Secures the fuel injector correctly into the cylinder head

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2528886
Mfg#:
06D133036K
In Stock
2% off MSRP

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

$6.66

This product was last offered at the strikethrough price on
11-05-2026

$6.56 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

EMD Auto B9 S4 Wheel Spacer Flush Kit (More Aggressive)

ES#4043004 - EMDSPACERB9S4125 - EMD Auto B9 S4 Wheel Spacer Flush Kit (More Aggressive) - For those seeking a more aggressive stance on the stock 19" wheels, EMD flush spacer kit will help you get there! - Emmanuele Design - Audi

For those seeking a more aggressive stance on the stock 19" wheels, EMD flush spacer kit will help you get there!

Brand:
Emmanuele Design - Corporate Logo
ES#:
4043004
Mfg#:
EMDSPACERB9S4125
Ships in 2 Business Days
$199.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front 2-Piece Brake Rotors - Pair

Replace your rotors with 2-piece rotors from Giro Disc.

Brand:
Girodisc - Corporate Logo
ES#:
4608925
Mfg#:
A1-130
Ships in 4 Business Days
$995.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi With Brembo 18Z Front Rotors

Sold/priced in pairs for B5/C5 2.7TT with Cayenne, Q7, or Touareg 18Z 6-Piston Calipers

Brand:
Girodisc - Corporate Logo
ES#:
4904351
Mfg#:
A1-309
In Stock at Vendor
$995.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Clutch Master Cylinder

ES#3218332 - 8E1721401AJ - Clutch Master Cylinder - Restore the feel of your clutch - LUK - Audi

Restore the feel of your clutch We Price Match - Give Us A Call or Chat!

Brand:
LUK - Corporate Logo
ES#:
3218332
Mfg#:
8E1721401AJ
In Stock
$198.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Special Active Front Strut - Priced Each

ES#4698695 - 82451406 - Special Active Front Strut - Priced Each - Superior handling without compromising ride quality - Koni - Audi

Superior handling without compromising ride quality For vehicles without electronic suspension (49mm diameter strut)

Brand:
Koni - Corporate Logo
ES#:
4698695
Mfg#:
82451406
Back Ordered
ON SALE! SAVE 20%
$207.99

This product was last offered at the strikethrough price on
10-31-2026

$165.70 USD
Free Shipping
on orders $49 and up

Active Motor Mount Resistor Bypass - Priced Each

ES#4846369 - 034-708-0006 - Active Motor Mount Resistor Bypass - Priced Each - Used to remove the soft code caused by replacing the failure-prone factory "active" mounts with 034Motorsport Density Line & Motorsport Spec Engine Mounts. One required per mount. - 034Motorsport - Audi

Used to remove the soft code caused by replacing the failure-prone factory "active" mounts with 034Motorsport Density Line & Motorsport Spec Engine Mounts. One required per mount. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4846369
Mfg#:
034-708-0006
Back Ordered
$14.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Kit

ES#4769618 - 06m117015mKT - Oil Cooler Kit - Replace you Oil cooler with new gaskets and bolts - Genuine Volkswagen Audi - Audi

Replace you Oil cooler with new gaskets and bolts

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4769618
Mfg#:
06M117015MKT
Ships in 1-2 days
$508.99

This product was last offered at the strikethrough price on
10-05-2026

$496.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RacingLine Higher Output Ignition Coils - Red - Set Of Six

ES#4708319 - VWR900001-6KT - RacingLine Higher Output Ignition Coils - Red - Set Of Six - Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. - Racingline - Audi

Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils.

Brand:
Racingline - Corporate Logo
ES#:
4708319
Mfg#:
VWR900001-6KT
Ships on Nov 30, 2026
$330.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Hardware Kit

ES#2695738 - 077198025CKT3 - Valve Cover Hardware Kit - All hardware needed for replacing valve covers - Genuine Volkswagen Audi - Audi

All hardware needed for replacing valve covers From VIN 8E-5-118001, split is in the 2005 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2695738
Mfg#:
077198025CKT3
Ships on Dec 18, 2026
$375.99

This product was last offered at the strikethrough price on
08-04-2026

$330.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Front & Rear Brake Service Kit

ES#3537599 - 025997ECS0539KT - Performance Front & Rear Brake Service Kit - Featuring ECS V5 Drilled & Slotted rotors and ECS EP24 Enthusiast Performance pads - Assembled By ECS - Audi

Featuring ECS V5 Drilled & Slotted rotors and ECS EP24 Enthusiast Performance pads 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3537599
Mfg#:
025997ECS0539KT
Ships in 6 Business Days
ON SALE!
$1047.99

This product was last offered at the strikethrough price on
11-05-2026

$992.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Rear Sway Bar End Links - Pair

ES#2864590 - 034-402-4005 - Adjustable Rear Sway Bar End Links - Pair - Replace your flimsy, sloppy OEM sway bar end links with these performance engineered adjustable spherical endlinks - 034Motorsport - Audi

Replace your flimsy, sloppy OEM sway bar end links with these performance engineered adjustable spherical endlinks 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864590
Mfg#:
034-402-4005
Ships in 3 Business Days
$248.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

20" A02 Wheels - Bronze - Set Of Four

ES#4629233 - whl00041KT - 20" A02 Wheels - Bronze - Set Of Four - 20x9" ET37 5X112 - Bronze - APR - Audi BMW Volkswagen MINI

20x9" ET37 5X112 - Bronze Call In Or Chat For Best Price!

Wheel spacers may be necessary to clear brake calipers

Brand:
APR - Corporate Logo
ES#:
4629233
Mfg#:
WHL00041KT
Back Ordered
$1739.99

This product was last offered at the strikethrough price on
06-24-2026

$991.99 USD
This product is lifetime replacement eligible Lifetime Replacement

20" A02 Wheels - Hyper Silver - Set Of Four

ES#4629234 - whl00026KT - 20" A02 Wheels - Hyper Silver - Set Of Four - 20x9" ET37 5X112 - Hyper Silver - APR - Audi BMW Volkswagen MINI

20x9" ET37 5X112 - Hyper Silver Call In Or Chat For Best Price!

Wheel spacers may be necessary to clear brake calipers

Brand:
APR - Corporate Logo
ES#:
4629234
Mfg#:
WHL00026KT
Back Ordered
$1739.99

This product was last offered at the strikethrough price on
06-24-2026

$991.99 USD
This product is lifetime replacement eligible Lifetime Replacement

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