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Audi S4 Most Popular Parts

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21" ZTF-R01 Forged Wheels - Set Of Four

ES#4732758 - 034-604-0010SBKT - 21" ZTF-R01 Forged Wheels - Set Of Four - 21"x10" ET32 5x112 - Satin Black - 034Motorsport - Audi

21"x10" ET32 5x112 - Satin Black affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4732758
Mfg#:
034-604-0010SBKT
Ships in 2 Business Days
$5296.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Upper Timing Chain Tensioner - Left

ES#4781430 - 06E109217AM - Upper Timing Chain Tensioner - Left - Applies tension to the upper left timing chain - Bremmen Parts - Audi

Applies tension to the upper left timing chain affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

From the 2013 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
4781430
Mfg#:
06E109217AM
In Stock
ON SALE! SAVE 20%
$120.99

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

$96.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Kit

ES#3183650 - 06e117021gKT - Oil Cooler Kit - Includes oil cooler, gasket, and hardware for a complete swap - Assembled By ECS - Audi

Includes oil cooler, gasket, and hardware for a complete swap 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#:
3183650
Mfg#:
06E117021GKT
In Stock
ON SALE! SAVE 19%
$122.99

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

$99.82 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Motorsport Front Sway Bar End Links Pair

ES#2873007 - 034-402-4018 - Motorsport Front Sway Bar End Links Pair - Replace your sloppy rubber factory sway bar end links - 034Motorsport - Audi Volkswagen

Replace your sloppy rubber factory sway bar end links affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2873007
Mfg#:
034-402-4018
In Stock
$230.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DSG Automatic Transmission Service Kit W/ ECS Magnetic Drain Plug

ES#3200778 - 0B5325429EKT2 - DSG Automatic Transmission Service Kit W/ ECS Magnetic Drain Plug - Includes a new filter, gasket, plugs, and fluid to service your transmission - Assembled By ECS - Audi

Includes a new filter, gasket, plugs, and fluid to service your transmission affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles up through the 2010 model year only.

Brand:
Assembled By ECS - Corporate Logo
ES#:
3200778
Mfg#:
0B5325429EKT2
Ships on Aug 14, 2026
Auto Notify
ON SALE!
$240.36 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Ball Seat Wheel Bolt - 14x1.5x47mm - Priced Per Pair

ES#4164433 - S17D47R13ZNNI2 - Ball Seat Wheel Bolt - 14x1.5x47mm - 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4164433
Mfg#:
S17D47R13ZNNI2
In Stock
ON SALE! SAVE 25%
$13.99

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

$10.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

17" APEX VS-5RS - Set of Four

ES#4819334 - VS5RS1794257BZKT - 17" APEX VS-5RS - Set of Four - 17x9 ET42 5x112 57.1CB - Satin Bronze - APEX Wheels - Audi Volkswagen

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

Brand:
APEX Wheels - Corporate Logo
ES#:
4819334
Mfg#:
VS5RS1794257BZKT
Back Ordered
$2636.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

17" APEX VS-5RS - Set of Four

ES#4819333 - VS5RS1794257ANKT - 17" APEX VS-5RS - Set of Four - 17x9 ET42 5x112 57.1CB - Anthracite - APEX Wheels - Audi Volkswagen

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

Brand:
APEX Wheels - Corporate Logo
ES#:
4819333
Mfg#:
VS5RS1794257ANKT
Back Ordered
$2636.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#2593715 - 077905115TKT4 - Ignition Service Kit - Includes eight Bremi coil packs and eight Bosch spark plugs - Assembled By ECS - Audi

Includes eight Bremi coil packs and eight Bosch spark plugs 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#:
2593715
Mfg#:
077905115TKT4
In Stock
$319.99

This product was last offered at the strikethrough price on
04-09-2026

$309.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Front & Rear Brake Service Kit

ES#3537758 - 025997ECS0627KT - Performance Front & Rear Brake Service Kit - Featuring ECS V5 Slotted rotors and ECS EP24 Enthusiast Performance pads - Assembled By ECS - Audi

Featuring ECS V5 Slotted rotors and ECS EP24 Enthusiast Performance 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#:
3537758
Mfg#:
025997ECS0627KT
In Stock
ON SALE!
$1143.99

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

$1052.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#2143508 - 07L905163C - Camshaft Position Sensor - Located in the cylinder head - Genuine Volkswagen Audi - Audi Volkswagen

Located in the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2143508
Mfg#:
07L905163C
Ships in 1-2 days
13% off MSRP

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

$116.64

This product was last offered at the strikethrough price on
12-15-2025

$100.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#3545345 - 3519 - Radiator - Fix leaks and keep your cooling system efficient - Featuring OEM specified Plastic Tank/Aluminum Core Construction - CSF - Audi Porsche

Fix leaks and keep your cooling system efficient - Featuring OEM specified Plastic Tank/Aluminum Core Construction affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits models with DSG (S-Tronic) transmission only

Brand:
CSF - Corporate Logo
ES#:
3545345
Mfg#:
3519
In Stock
$149.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Axle Assembly - Left

ES#3072342 - 8E0407271AT - Front Axle Assembly - Left - Complete driveshaft with CV joints; ready for installation - GKN Drivetech - Audi

Complete driveshaft with CV joints; ready for installation affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
GKN Drivetech - Corporate Logo
ES#:
3072342
Mfg#:
8E0407271AT
In Stock at Vendor
$673.72

This product was last offered at the strikethrough price on
05-09-2026

$655.92 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

HJS Tuning 2.5" High-Flow ECE Downpipes

ES#3508359 - SSXAU725 - HJS Tuning 2.5" High-Flow ECE Downpipes - Featuring HJS Tuning 200cpsi ECE-approved sports cat - Fits with OE and Milltek cat-back systems. - Milltek Sport - Audi

Featuring HJS Tuning 200cpsi ECE-approved sports cat - Fits with OE and Milltek cat-back systems. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Milltek Sport - Corporate Logo
ES#:
3508359
Mfg#:
SSXAU725
Ships in 3 Business Days
$5244.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 S4 / A4 S-Line Rear Bumper Side Splitters - Gloss Black

ES#4164511 - 004751la01 - Audi B9 S4 / A4 S-Line Rear Bumper Side Splitters - Gloss Black - Spice up the exterior of your Audi with gloss black spats! - ECS - Audi

Spice up the exterior of your Audi with gloss black spats! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits pre-facelift models up to 2019 model year

Brand:
ECS - Corporate Logo
ES#:
4164511
Mfg#:
004751LA01
In Stock
ON SALE! SAVE 25%
$133.99

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

$100.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Service Kit

ES#4620204 - G055515A2KT - Rear Differential Service Kit - Complete kit with Genuine fluids and magnetic drain plugs to service your rear differential. - Assembled By ECS - Audi

Complete kit with Genuine fluids and magnetic drain plugs to service your rear differential. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with sport diff

Brand:
Assembled By ECS - Corporate Logo
ES#:
4620204
Mfg#:
G055515A2KT
In Stock
ON SALE!
$227.99

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

$208.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

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