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Audi S4 Most Popular Parts

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19mm Ball Seat Lug Nut - 14x1.5mm - Priced Each

ES#2708009 - D17R - 19mm Ball Seat Lug Nut - 14x1.5mm - Priced Each - Produced for Porsche wheels with stud conversions - ECS - Audi Volkswagen Porsche

Produced for Porsche wheels with stud conversions affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For use with Porsche, Touareg, or 4L Q7 wheels only

Brand:
ECS - Corporate Logo
ES#:
2708009
Mfg#:
D17R
In Stock
ON SALE! SAVE 25%
$5.99

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

$4.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Belt - For Use With APR Drive & APR Crank Pulleys

ES#3219316 - RS100002 - Supercharger Belt - For Use With APR Drive & APR Crank Pulleys - Replace your cracked or worn belt - APR - Audi Volkswagen

Replace your cracked or worn belt 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#:
3219316
Mfg#:
RS100002
In Stock
11% off MSRP

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

$41.57

This product was last offered at the strikethrough price on
06-12-2026

$36.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front V5 Drilled & Slotted Brake Rotors - Set (321x30)

ES#4668251 - 8E0615301AD-XS - Front V5 Drilled & Slotted Brake Rotors - Set (321x30) - Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. - ECS - Audi

Precision manufactured for consistent stopping power during high performance driving. Featuring a matte black zinc coating for corrosion protection. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4668251
Mfg#:
8E0615301AD-XS
Ships in 6 Business Days
ON SALE!
$430.99

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

$418.05 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supertech Forged Connecting Rod - Priced Each

ES#4734089 - CR-VW144-21 - Supertech Forged Connecting Rod - Priced Each - 144x21 Forged Rod with ARP 2000 hardware. - Supertech - Audi Volkswagen

144x21 Forged Rod with ARP 2000 hardware. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4734089
Mfg#:
CR-VW144-21
Ships in 9 Business Days
$208.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Belly Pan Installation Hardware Kit

ES#2587686 - 8D0805121KT - Front Belly Pan Installation Hardware Kit - Includes required hardware to secure the front belly pan - Assembled By ECS - Audi

Includes required hardware to secure the front belly pan 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#:
2587686
Mfg#:
8D0805121KT
In Stock
ON SALE! SAVE 24%
$164.99

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

$125.07 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Wheel Bearing Housing - Left

ES#4830300 - 8E0407253H - Front Wheel Bearing Housing - Left - Does not include bearing or hub - Vaico - Audi

Does not include bearing or hub affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4830300
Mfg#:
8E0407253H
In Stock at Vendor
$416.88 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bumper Cover Support - Priced Each

ES#437927 - 8E0807381C - Bumper Cover Support - Priced Each - Fits left and right side. Allows for extra support for the bumper cover. - Genuine Volkswagen Audi - Audi

Fits left and right side. Allows for extra support for the bumper cover. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
437927
Mfg#:
8E0807381C
In Stock
19% off MSRP

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

$38.58

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

$31.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Crankshaft Seal

ES#2918844 - 079103051G - Front Crankshaft Seal - Keep your engine fresh and leak free - Victor Reinz - Audi

Keep your engine fresh and leak free affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8E-4-163756, split is in the 2004 model year

Brand:
Victor Reinz - Corporate Logo
ES#:
2918844
Mfg#:
079103051G
In Stock at Vendor
$50.99

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

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DOT 4 Low Viscosity Brake Fluid - 1 Liter

ES#2862519 - 1224116 - DOT 4 Low Viscosity Brake Fluid - 1 Liter - Special brake fluid of highest DOT 4 performance levels and extremely low viscosity at cold temperatures. - Pentosin - Audi BMW Volkswagen MINI Porsche

Special brake fluid of highest DOT 4 performance levels and extremely low viscosity at cold temperatures. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pentosin - Corporate Logo
ES#:
2862519
Mfg#:
1224116
Back Ordered
Auto Notify
$24.99 USD
Free Shipping
on orders $49 and up

Fuel Tank Sending Unit - Rear

ES#2541338 - 8K0919671B - Fuel Tank Sending Unit - Rear - Fuel level gauge for the fuel tank - Genuine Volkswagen Audi - Audi

Fuel level gauge for the fuel tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2541338
Mfg#:
8K0919671B
In Stock
8% off MSRP

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

$286.99

This product was last offered at the strikethrough price on
06-15-2026

$262.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/B8.5 A4 and S4 Rear Adjustable Sway Bar

ES#4027350 - 022845ecs01KT - Audi B8/B8.5 A4 and S4 Rear Adjustable Sway Bar - Reduce body roll and increase cornering speed - ECS - Audi

Reduce body roll and increase cornering speed affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4027350
Mfg#:
022845ECS01KT
In Stock
ON SALE! SAVE 10%
$346.99

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

$312.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Apex IE Performance ECU Tune - Includes TCU Tune & POWERlink Cable

ES#3706799 - iesocgjtcu - Apex IE Performance ECU Tune - Includes TCU Tune & POWERlink Cable - Average gain of 131 horsepower and 136 lb-ft of torque on 91 Octane - Integrated Engineering - Audi

Average gain of 131 horsepower and 136 lb-ft of torque on 91 Octane 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.
For vehicles with DSG transmission only

Brand:
Integrated Engineering - Corporate Logo
ES#:
3706799
Mfg#:
IESOCGJTCU
In Stock
$1248.99 USD
Free Shipping

Engine Mount Kit

ES#4810429 - 4M0199371GMKT - Engine Mount Kit - Includes both engine mounts - Genuine Volkswagen Audi - Audi

Includes both engine mounts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4810429
Mfg#:
4M0199371GMKT
Ships in 3 Business Days
$623.99 USD
Free Shipping
on orders $49 and up

Crankshaft/Camshaft Position Sensor

ES#4671678 - 059906433K - Crankshaft/Camshaft Position Sensor - Also known as the RPM or Impulse sensor. - Genuine Volkswagen Audi - Audi

Also known as the RPM or Impulse sensor. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4671678
Mfg#:
059906433K
Ships in 3 Business Days
7% off MSRP

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

$166.99

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

$155.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Manifold Stud - Priced Each

ES#1878317 - N91187001 - Exhaust Manifold Stud - Priced Each - Allows the manifold to be secured to the cylinder head. M8x28 - Genuine Volkswagen Audi - Audi

Allows the manifold to be secured to the cylinder head. M8x28 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1878317
Mfg#:
N91187001
In Stock
$7.47 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Slotted Brake Rotors - Pair (330x22)

ES#4872023 - EMD-33022-PR - Rear Slotted Brake Rotors - Pair (330x22) - Upgrade your looks and performance with a set of slotted rotors! - Emmanuele Design - Audi

Upgrade your looks and performance with a set of slotted rotors! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Emmanuele Design - Corporate Logo
ES#:
4872023
Mfg#:
EMD-33022-PR
Ships in 8 Business Days
$249.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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