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Audi S4 Most Popular Parts

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ES#4499684 - WHL00021KT - 20" A01 Flow Formed Wheels - Set Of Four - 20"x9.0" ET42 5x112 - Satin Black - APR - Audi Volkswagen MINI Porsche

20"x9.0" ET42 5x112 - Satin Black Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4499684
Mfg#:
WHL00021KT
Ships in 3 Business Days
$1739.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3690559 - 06e103484nKT - Valve Cover Gasket Set - Includes the left and right side seals - Elring - Audi

Includes the left and right side seals affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3690559
Mfg#:
06E103484NKT
In Stock
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3677993 - 95b615123fKT - Front Big Brake Kit - Stage 2 - No Pads/Rotors - Upgrade your brake system to the 4-piston Brembo Porsche Macan calipers - ECS - Audi

Upgrade your brake system to the 4-piston Brembo Porsche Macan calipers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3677993
Mfg#:
95B615123FKT
Ships in 1 Business Day
$1103.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#4447155 - 4m0615301an1KT - Front Cross-Drilled Brake Rotors - Pair (350x34) - Zimmerman Sport drilled rotors deliver excellent braking performance! - Zimmermann - Audi

Zimmerman Sport drilled rotors deliver excellent braking performance! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Zimmermann - Corporate Logo
ES#:
4447155
Mfg#:
4M0615301AN1KT
In Stock
$490.99

This product was last offered at the strikethrough price on
04-29-2026

$367.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4325182 - 628-13KT1 - 20" Style 628 Wheels - Set Of Four - 20x9 ET30 5x112 57.1CB - Matte Gunmetal/Machine Face - Alzor - Audi Volkswagen

20x9 ET30 5x112 57.1CB - Matte Gunmetal/Machine Face affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Aggressive enthusiast fitment. Fender rolling and slightly stretched tires may be required depending on suspension configuration

Brand:
Alzor - Corporate Logo
ES#:
4325182
Mfg#:
628-13KT1
In Stock
ON SALE! SAVE 30%
$1441.99

This product was last offered at the strikethrough price on
01-03-2026

$1006.50 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4212783 - MM.N.077 - D3S 6000K XB HID Bulb - Pair - Quality replacement xenon bulbs from Morimoto - Morimoto - Audi Volkswagen

Quality replacement xenon bulbs from Morimoto affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Morimoto - Corporate Logo
ES#:
4212783
Mfg#:
MM.N.077
Ships in 7 Business Days
$90.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3477816 - 023795ECS06 - Audi B9 S4/S5 3.0T Luft-Technik Intake System - Enhance your engine's performance with gains up to 16 Wheel Horsepower and 15 foot pounds of torque with our ECS Cold Air Intake - ECS - Audi

Enhance your engine's performance with gains up to 16 Wheel Horsepower and 15 foot pounds of torque with our ECS Cold Air Intake affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3477816
Mfg#:
023795ECS06
In Stock
ON SALE! SAVE 19%
$529.99

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

$429.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4346278 - IEINCK3 - B9/B9.5 S4 & S5 3.0T IE Carbon Fiber Intake System  - One-Piece carbon fiber construction that adds up to +16HP/TQ - Integrated Engineering - Audi

One-Piece carbon fiber construction that adds up to +16HP/TQ affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4346278
Mfg#:
IEINCK3
In Stock
$1091.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4745579 - 0D5398009C - Transmission Oil Sump And Oil Filter Kit - Replacement transmission oil pan, includes gasket and filter - ZF - Audi

Replacement transmission oil pan, includes gasket and filter We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ZF - Corporate Logo
ES#:
4745579
Mfg#:
0D5398009C
In Stock
$155.95 USD
Free Shipping
on orders $49 and up
ES#2919282 - 4H0498625Akt3 - Wheel Bearing Kit - Pair - Includes both bearings with axle & securing bolts - Bremmen Parts - Audi

Includes both bearings with axle & securing bolts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
2919282
Mfg#:
4H0498625AKT3
Ships in 6 Business Days
ON SALE! SAVE 18%
$148.99

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

$121.58 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3698402 - 06e103547abkttKT - Basic Pressure Control Valve (PCV) Service Kit - Comprehensive kit includes new oil separator, supercharger gaskets (qty 6), bolts (qty 14) and vent tube o-rings (qty 2). - Assembled By ECS - Audi

Comprehensive kit includes new oil separator, supercharger gaskets (qty 6), bolts (qty 14) and vent tube o-rings (qty 2). affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits from the 2013 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
3698402
Mfg#:
06E103547ABKTTKT
In Stock
ON SALE! SAVE 19%
$218.99

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

$177.83 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2748285 - 002411ECS02AKT7 - Wheel Spacer & Bolt Kit - 12.5mm 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748285
Mfg#:
002411ECS02AKT7
In Stock
ON SALE! SAVE 35%
$205.99

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

$133.82 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3551611 - 0B5325330AKT4 - Complete DSG Automatic Transmission Service Kit  - Includes a new DSG trans filter, DSG cooling filter, fluid, gaskets, transmission pan bolts, and plugs to service your transmission - Genuine Volkswagen Audi - Audi

Includes a new DSG trans filter, DSG cooling filter, fluid, gaskets, transmission pan bolts, and plugs to service your transmission affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits from the 2011 model year (2010 model year has cooling filter built-in to cooling line)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3551611
Mfg#:
0B5325330AKT4
Ships in 3 Business Days
$575.99

This product was last offered at the strikethrough price on
06-03-2026

$566.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#4766126 - 06M145689AC - Turbocharger - Complete turbocharger assembly to replace your failed unit - Restore boost and get going! - BorgWarner - Audi

Complete turbocharger assembly to replace your failed unit - Restore boost and get going! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
BorgWarner - Corporate Logo
ES#:
4766126
Mfg#:
06M145689AC
Ships in 1-2 days
$3062.99

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

$2975.00 USD
Free Shipping
ES#3187951 - 50356 - Street Performance Coilover System  - Finally, A performance coilover suspension system for your B9 Audi - Offering unrivaled comfort and performance! - H&R - Audi

Finally, A performance coilover suspension system for your B9 Audi - Offering unrivaled comfort and performance! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles without Sport Suspension or Magnetic Ride Control

Brand:
H&R - Corporate Logo
ES#:
3187951
Mfg#:
50356
In Stock
$1320.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4418872 - IESOVZ11 - Stage 1 IE Performance ECU Tune With POWERlink Cable - Average gain of 138 horsepower and 178 lb-ft of torque on 91 Octane with stock hardware - Integrated Engineering - Audi

Average gain of 138 horsepower and 178 lb-ft of torque on 91 Octane with stock hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4418872
Mfg#:
IESOVZ11
In Stock
$1078.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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