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Audi S4 Most Popular Parts

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Rear Exact-Fit Stainless Steel Brake Lines - Four Piece

ES#538 - B5S4SSBLK-REAR - Rear Exact-Fit Stainless Steel Brake Lines - Four Piece - Mid & Rear set of DOT-compliant lines for an improved pedal feel - ECS - Audi

Mid & Rear set of DOT-compliant lines for an improved pedal feel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
538
Mfg#:
B5S4SSBLK-REAR
In Stock
ON SALE! SAVE 10%
$148.99

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

$134.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Axle Assembly - Right

ES#3450241 - 8D0407452KX - Front Axle Assembly - Right - Replace your worn or broken axle - Diversified Shafts Solutions - Audi

Replace your worn or broken axle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Diversified Shafts Solutions - Corporate Logo
ES#:
3450241
Mfg#:
8D0407452KX
In Stock at Vendor
$133.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport 3.0 TFSI Supercharger Pulley Removal Tool

ES#4005448 - 034-145-Z037 - 034Motorsport 3.0 TFSI Supercharger Pulley Removal Tool - Features precision machined half-shells designed to perfectly clamp the supercharger pulley for easy removal - 034Motorsport - Audi Porsche

Features precision machined half-shells designed to perfectly clamp the supercharger pulley for easy removal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4005448
Mfg#:
034-145-Z037
Ships in 2 Business Days
ON SALE! SAVE 10%
$248.00

This product was last offered at the strikethrough price on
06-28-2026

$223.20 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Lower Control Arm - Curved - Left

ES#2785092 - 8K0407693R - Front Lower Control Arm - Curved - Left - Keep your suspension in top shape - Meyle HD - Audi

Keep your suspension in top shape affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Up to production date 11/2/2009

Brand:
Meyle HD - Corporate Logo
ES#:
2785092
Mfg#:
8K0407693R
In Stock
ON SALE!
$175.99

This product was last offered at the strikethrough price on
06-25-2026

$167.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe - Return/Supply

ES#1598497 - 06E121083F - Coolant Pipe - Return/Supply - Connects the supercharger flange to the radiator hoses - Genuine Volkswagen Audi - Audi

Connects the supercharger flange to the radiator hoses affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1598497
Mfg#:
06E121083F
Ships in 1 day
7% off MSRP

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

$240.00

This product was last offered at the strikethrough price on
06-29-2026

$222.68 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Power Stop Z26 Street Warrior Front & Rear Brake Kit (345mm/330mm)

ES#3990105 - K6155-26 - Power Stop Z26 Street Warrior Front & Rear Brake Kit (345mm/330mm) - A complete 4-wheel performance brake upgrade featuring drilled & slotted rotors and high-performance carbon-fiber ceramic pads. - Power Stop - Audi

A complete 4-wheel performance brake upgrade featuring drilled & slotted rotors and high-performance carbon-fiber ceramic pads. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Power Stop - Corporate Logo
ES#:
3990105
Mfg#:
K6155-26
Ships in 2 Business Days
$667.99 USD

dual fan cowl

ES#450283 - 8K0121207D - dual fan cowl - Attaches to the core support to house the radiator and condenser fans - Genuine Volkswagen Audi - Audi

Attaches to the core support to house the radiator and condenser fans affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450283
Mfg#:
8K0121207D
Ships in 6 Business Days
8% off MSRP

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

$729.99

This product was last offered at the strikethrough price on
06-29-2026

$667.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Heated Mirror Glass - Left

ES#443681 - 8F0857535F - Heated Mirror Glass - Left - Replace your cracked or broken piece - Genuine Volkswagen Audi - Audi

Replace your cracked or broken piece affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with automatic anti-dazzle

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
443681
Mfg#:
8F0857535F
Ships in 3 Business Days
9% off MSRP

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

$728.99

This product was last offered at the strikethrough price on
06-29-2026

$666.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Brake Booster

ES#450939 - 8K0612107B - Brake Booster - Supplies brake pressure so you don't have to - Genuine Volkswagen Audi - Audi

Supplies brake pressure so you don't have to affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450939
Mfg#:
8K0612107B
Ships in 6 Business Days
8% off MSRP

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

$727.99

This product was last offered at the strikethrough price on
06-29-2026

$666.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sealing Washer - Priced Each

ES#466241 - N0138128 - Sealing Washer - Priced Each - Install new hardware with your new parts. 12x15.5x1.5 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 12x15.5x1.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Seals the supply line from the fuel filter to the engine. Two required

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466241
Mfg#:
N0138128
In Stock
$4.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
3235894
Mfg#:
8D0959501D
Ships in 4 Business Days
$332.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Tie Arm - Priced Each

ES#2876519 - 8E0501529P - Rear Tie Arm - Priced Each - Fits left and right side - Febi - Audi

Fits left and right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2876519
Mfg#:
8E0501529P
Ships in 3 Business Days
$75.99

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

$73.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Driveshaft Gasket - Priced Each

ES#4067260 - 183521141A - Driveshaft Gasket - Priced Each - Fits the front and rear position - Rein - Audi Volkswagen

Fits the front and rear position affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
4067260
Mfg#:
183521141A
Ships in 1-3 days
ON SALE! SAVE 16%
$5.99

This product was last offered at the strikethrough price on
06-29-2026

$5.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gas Cap Seal

ES#2104010 - 1K0201557A - Gas Cap Seal - Seals the connection between the gas cap and filler neck - Genuine Volkswagen Audi - Audi Volkswagen

Seals the connection between the gas cap and filler neck affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2104010
Mfg#:
1K0201557A
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.

$21.58

This product was last offered at the strikethrough price on
06-29-2026

$17.48 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Carrier Mount Insert Kit

ES#2873006 - 034-505-2015 - Rear Differential Carrier Mount Insert Kit - Installation is very simple, can be performed in minutes, and is completely reversible. - 034Motorsport - Audi

Installation is very simple, can be performed in minutes, and is completely reversible. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2873006
Mfg#:
034-505-2015
Back Ordered
Auto Notify
ON SALE! SAVE 10%
$123.00

This product was last offered at the strikethrough price on
06-28-2026

$110.70 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Seal - Priced Each

ES#4057394 - 079103487A - Valve Cover Seal - Priced Each - Small round seal for valve cover - URO - Audi

Small round seal for valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Up to VIN 8E-5-118000, split is in the 2005 model year

Brand:
URO - Corporate Logo
ES#:
4057394
Mfg#:
079103487A
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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