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Audi S4 Engine Parts & Accessories

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ES#4429103 - 06M145689AC - Turbocharger - OE - Complete turbocharger assembly to replace your failed unit - Restore boost and get going! - Genuine Volkswagen Audi - 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:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4429103
Mfg#:
06M145689AC
Ships in 1-2 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.

$3228.99

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

$3063.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2804306 - 06A145710NKT - 710N Diverter Valve - Priced Each - A great upgrade for stock to mildly tuned engines. Includes band clamps - Assembled By ECS - Audi Volkswagen

A great upgrade for stock to mildly tuned engines. Includes band clamps affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
2 required

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804306
Mfg#:
06A145710NKT
In Stock
ON SALE! SAVE 24%
$51.99

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

$39.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3181876 - 06M103727A - Oil Cap Gasket - Addresses a seeping filler cap - Genuine Volkswagen Audi - Audi

Addresses a seeping filler cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3181876
Mfg#:
06M103727A
In Stock
4% off MSRP

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

$27.99

This product was last offered at the strikethrough price on
06-18-2026

$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3183538 - 034-108-5001-BLK - Stainless Steel Bi-Pipe Set - Wrinkle Black  - Replace your restrictive OEM Audi bipipes with 034Motorsport's High-Flow Bi-pipe Set for the 2.7T! - 034Motorsport - Audi

Replace your restrictive OEM Audi bipipes with 034Motorsport's High-Flow Bi-pipe Set for the 2.7T! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3183538
Mfg#:
034-108-5001-BLK
Ships in 2 Business Days
$301.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4376591 - MS100209-6KT - APR Upgraded Ignition Coil - Grey - Set of Six - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - APR - Audi

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! 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!

To be used with the 2.0T coil pack conversion kits.

Brand:
APR - Corporate Logo
ES#:
4376591
Mfg#:
MS100209-6KT
In Stock
$214.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4812552 - 06E121045BD - Coolant Pipe - Supply - Main supply pipe that connects to the upper radiator hose and the engine - Rein - Audi

Main supply pipe that connects to the upper radiator hose and the engine 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 the 2012 model year

Brand:
Rein - Corporate Logo
ES#:
4812552
Mfg#:
06E121045BD
In Stock
$93.99 USD
Free Shipping
on orders $49 and up
ES#4690006 - 079109217J - Upper Tensioner Guide Rail - The upper chain tensioner guide on the left timing chain - Bremmen Parts - Audi

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

Brand:
Bremmen Parts - Corporate Logo
ES#:
4690006
Mfg#:
079109217J
In Stock
ON SALE! SAVE 20%
$133.99

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

$106.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3647777 - 48322KT - Timing Chain Kit  - Includes the upgraded RS4 metal guide rail, OEM & Bremmen additional guide rails, timing chains and tensioners - The essentials necessary to get the job done! - Assembled By ECS - Audi

Includes the upgraded RS4 metal guide rail, OEM & Bremmen additional guide rails, timing chains and tensioners - The essentials necessary to get the job done! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Up to VIN# 8E-4-200 000, split is in 2004 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647777
Mfg#:
48322KT
In Stock
ON SALE! SAVE 27%
$1351.99

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

$992.21 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#3247518 - 022733ECS01-01 - Billet Washer Fluid Reservoir Cap - Black Anodized - Lose the plastic! - ECS - Audi Volkswagen Porsche

Lose the plastic! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3247518
Mfg#:
022733ECS01-01
In Stock
ON SALE! SAVE 20%
$92.99

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

$74.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4630044 - 034-145-1506 - Turbocharger Installation Kit - This complete Turbocharger Installation Hardware/Gasket Kit for the B9/B9.5 Audi S4/S5/SQ5 equipped with the single-turbo EA839 3.0T includes everything you need to install a new stock-fit turbocharger. - 034Motorsport - Audi

This complete Turbocharger Installation Hardware/Gasket Kit for the B9/B9.5 Audi S4/S5/SQ5 equipped with the single-turbo EA839 3.0T includes everything you need to install a new stock-fit turbocharger. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4630044
Mfg#:
034-145-1506
In Stock
$66.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2532293 - 077905115TKT1 - Ignition Coil - Set Of Eight - Keep your engine running strong - Bremi - Audi

Keep your engine running strong affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Bremi - Corporate Logo
ES#:
2532293
Mfg#:
077905115TKT1
In Stock at Vendor
$213.99

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

$196.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4690118 - 034-201-1006 - 034Motorsport Camshaft Kit - 3.0T - A direct drop-in replacement for the factory camshafts, valve springs, and retainers - 034Motorsport - Audi

A direct drop-in replacement for the factory camshafts, valve springs, and retainers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fitment is confirmed for B8, and pending confirmation for B8.5.
For vehicles up to the 2012 model year (Pre-Facelift)

Brand:
034Motorsport - Corporate Logo
ES#:
4690118
Mfg#:
034-201-1006
Ships in 2 Business Days
$3858.00

This product was last offered at the strikethrough price on
03-08-2026

$2950.00 USD
Free Shipping
ES#4620307 - VWR180006 - Billet Magnetic Drain Plug - Priced Each - Capture the tiny metallic particles suspended in your oil to prevent accelerated engine wear - Racingline - Audi Volkswagen

Capture the tiny metallic particles suspended in your oil to prevent accelerated engine wear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
4620307
Mfg#:
VWR180006
Ships in 7 Business Days
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2864560 - 034-108-3000 - Silicone Y-Pipe Hose Pair - RS4 - Direct replica of OEM RS4 hoses, but in reinforced silicone for long life and abuse resistance - 034Motorsport - Audi

Direct replica of OEM RS4 hoses, but in reinforced silicone for long life and abuse resistance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
To be used with RS4 Y-pipe and inlet pipes only

Brand:
034Motorsport - Corporate Logo
ES#:
2864560
Mfg#:
034-108-3000
In Stock
$210.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2827493 - SSXAU376 - Cat-Back Exhaust System - Non-Resonated Race Version - 2.37" stainless steel with quad 100mm polished tips - Milltek Sport - Audi

2.37" stainless steel with quad 100mm polished tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From the 2013 model year

Brand:
Milltek Sport - Corporate Logo
ES#:
2827493
Mfg#:
SSXAU376
Ships in 3 Business Days
$2938.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

Let us help you find the parts that fit your Audi

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