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Audi S4 Most Popular Parts

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ES#3468626 - 024985ECS01 - Audi B9 Carbon Fiber Antenna Cover - Add a unique, lightweight look to your B9 - ECS - Audi

Add a unique, lightweight look to your B9 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
3468626
Mfg#:
024985ECS01
Ships in 4 Business Days
$100.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4708493 - IEEXCK6 - IE ProCore Performance Cast Downpipe - B9 S4/S5 - Check-Engine Light free! An emissions-friendly approach to exhaust upgrades! - Integrated Engineering - Audi

Check-Engine Light free! An emissions-friendly approach to exhaust upgrades! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4708493
Mfg#:
IEEXCK6
Ships in 4 Business Days
$2874.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4043186 - IEBAVJ1C -  IE 3.0T Supercharger Pulley Upgrade (Press-Fit) - Increases charger RPM by 10% - Higher boost levels equals more power! - Integrated Engineering - Audi Porsche

Increases charger RPM by 10% - Higher boost levels equals more power! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4043186
Mfg#:
IEBAVJ1C
In Stock
$220.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3419105 - 022928ecs01KT - Carbon Fiber Fog Light Grille Overlay Set - Audi B8.5 A4/S4 - Masks the aluminum-look trim strips on the fog light grilles with carbon fiber - ECS - Audi

Masks the aluminum-look trim strips on the fog light grilles with carbon fiber affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

Fits Facelift models from the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
3419105
Mfg#:
022928ECS01KT
In Stock
$173.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3168418 - 034-601-0035 - Billet Aluminum Rear Subframe Mount Insert Kit - Tighten your ride back up with this billet insert kit from 034 Motorsports - 034Motorsport - Audi

Tighten your ride back up with this billet insert kit from 034 Motorsports affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3168418
Mfg#:
034-601-0035
Back Ordered
Auto Notify
$168.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4057321 - 023940ECSKT - Front & Rear Performance Brake Service Kit - Tru-Float Scalloped - Comprehensive kit includes Tru-Float rotors, pads, sensors, and set screws - Upgrade your brake system with ECS 2-piece Tru-Float scalloped rotors and EBC Yellow Brake Pads! - Assembled By ECS - Audi

Comprehensive kit includes Tru-Float rotors, pads, sensors, and set screws - Upgrade your brake system with ECS 2-piece Tru-Float scalloped rotors and EBC Yellow Brake Pads! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4057321
Mfg#:
023940ECSKT
In Stock
ON SALE! SAVE 34%
$2858.99

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

$1900.06 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3246216 - TunerBoltKit - Conical Seat Tuner Spline Bolt Set - Standard Length - Chrome - Full set of chrome tuner style, socket-specific lug bolts. 14x1.5x27mm - Rohana Wheels - Audi BMW Volkswagen

Full set of chrome tuner style, socket-specific lug bolts. 14x1.5x27mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rohana Wheels - Corporate Logo
ES#:
3246216
Mfg#:
TUNERBOLTKIT
In Stock
$70.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2772938 - 0B5927321L - Gear Sensor Module - Keep your transmission shifting correctly - Genuine Volkswagen Audi - Audi

Keep your transmission shifting correctly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2772938
Mfg#:
0B5927321L
Ships in 2 Business Days
5% off MSRP

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

$661.66

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

$629.83 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3448776 - lm20018 - Top Tec 1200 Synthetic Automatic Transmission Fluid - 1 Liter - Full synthetic fluid with advanced wear-protection technology - Liqui-Moly - Audi BMW Volkswagen Porsche

Full synthetic fluid with advanced wear-protection technology 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!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3448776
Mfg#:
LM20018
In Stock
24% off MSRP

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

$18.95

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

$14.45 USD
Free Shipping
on orders $49 and up
ES#4759988 - 06E115405K - Oil Filter Adapter - Secures to the engine block for housing the oil filter - Bremmen Parts - Audi Volkswagen

Secures to the engine block for housing the oil filter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4759988
Mfg#:
06E115405K
In Stock
ON SALE! SAVE 20%
$91.99

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

$73.43 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1073 - 0280160575sj - Fuel Pressure Regulator - 4 Bar - Commonly used in performance applications - Bosch - Audi Volkswagen

Commonly used in performance applications affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
1073
Mfg#:
0280160575SJ
In Stock
$52.99

This product was last offered at the strikethrough price on
02-26-2026

$45.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2746490 - 06E903137T - Accessory Belt - Replace your cracked or worn belt - Continental - Audi

Replace your cracked or worn belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
From the 2013 model year

Brand:
Continental - Corporate Logo
ES#:
2746490
Mfg#:
06E903137T
Back Ordered
Auto Notify
$30.48

This product was last offered at the strikethrough price on
05-28-2026

$30.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2731059 - 40556654SW - DRA Series Trak Spacers - 20mm (1 Pair) Black - Get that stance that you've been craving with these new spacers - H&R - Audi Mercedes Benz Porsche

Get that stance that you've been craving with these new spacers 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!

Brand:
H&R - Corporate Logo
ES#:
2731059
Mfg#:
40556654SW
In Stock
$159.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3184738 - 034-401-1003 - Density Line Upper Control Arm Kit - Refresh your front end with 034Motorsport's front upper control arm kit - 034Motorsport - Audi

Refresh your front end with 034Motorsport's front upper control arm kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3184738
Mfg#:
034-401-1003
In Stock
$193.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

19x9.5 ET36 5x112 57.1CB - Gold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
BBS - Corporate Logo
ES#:
4753609
Mfg#:
REV7052GLKT
Ships on Jun 30, 2026
$5593.99 USD
This product is lifetime replacement eligible Partial Replacement
ES#4819332 - VS5RS1794257BCKT - 17" APEX VS-5RS - Set of Four - 17x9 ET42 5x112 57.1CB - Brushed Clear - APEX Wheels - Audi Volkswagen

17x9 ET42 5x112 57.1CB - Brushed Clear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
APEX Wheels - Corporate Logo
ES#:
4819332
Mfg#:
VS5RS1794257BCKT
Ships in 5 Business Days
$2796.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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