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Audi S4 Engine Parts & Accessories

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Thermostat

ES#2640066 - 06E121111AL - Thermostat - Includes sealing gasket and housing - Genuine Volkswagen Audi - Audi

Includes sealing gasket and housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2640066
Mfg#:
06E121111AL
In Stock
5% off MSRP

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

$134.99

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

$127.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Valve Cover Gasket Kit

ES#259658 - 078996025 - Complete Valve Cover Gasket Kit - Everything you need to reseal leaky valve covers - Assembled By ECS - Audi Volkswagen

Everything you need to reseal leaky valve covers 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#:
259658
Mfg#:
078996025
In Stock
ON SALE! SAVE 23%
$131.99

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

$102.01 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

RacingLine Higher Output Ignition Coils - Blue - Set Of Six

ES#4708312 - VWR900000-6KT - RacingLine Higher Output Ignition Coils - Blue - Set Of Six - Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. - Racingline - Audi

Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Racingline - Corporate Logo
ES#:
4708312
Mfg#:
VWR900000-6KT
Ships in 3 Business Days
$330.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B8 S4/S5 3.0T Performance Throttle Body Upgrade

ES#4382060 - 007911LA02KT - Audi B8 S4/S5 3.0T Performance Throttle Body Upgrade - Unleash the true potential of your supercharger! - ECS - Audi

Unleash the true potential of your supercharger! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4382060
Mfg#:
007911LA02KT
In Stock at Vendor
ON SALE! SAVE 20%
$642.99

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

$514.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Torx Bolt - Priced Each

ES#468473 - N10554005 - Torx Bolt - Priced Each - Install new hardware with your new parts. M6x35 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x35 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures oil pickup manifold to the oil pump - Three required

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468473
Mfg#:
N10554005
In Stock
$2.35 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE B8 3.0T Performance Downpipes

ES#3470770 - IEEXCG2 - IE B8 3.0T Performance Downpipes - Quick and easy way to add horsepower and an aggressive sound! 304 stainless steel 2.5" tubing. - Integrated Engineering - Audi

Quick and easy way to add horsepower and an aggressive sound! 304 stainless steel 2.5" tubing. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3470770
Mfg#:
IEEXCG2
In Stock
$769.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Copper Drain Plug Washer - Priced Each

ES#2857525 - N138492 - Copper Drain Plug Washer - Priced Each - Replace with every oil service to prevent leaks. M14x20x1.5 - Victor Reinz - Audi Volkswagen

Replace with every oil service to prevent leaks. M14x20x1.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2857525
Mfg#:
N138492
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Shut Off Valve

ES#4476638 - 06M121678H - Coolant Shut Off Valve - Controls the circulation of coolant within the engine via vacuum - Genuine Volkswagen Audi - Audi

Controls the circulation of coolant within the engine via vacuum affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4476638
Mfg#:
06M121678H
In Stock
18% off MSRP

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

$190.82

This product was last offered at the strikethrough price on
06-14-2026

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

Performance Kevlar Reinforced Supercharger Belt

ES#4043248 - 7PK1300ECS - Performance Kevlar Reinforced Supercharger Belt - Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. - ECS - Audi
ECS Tuning recommends this product.

Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For use with 187.3mm crank pulley & 57.6mm supercharger pulley only

Brand:
ECS - Corporate Logo
ES#:
4043248
Mfg#:
7PK1300ECS
Ships in 10 Business Days
Auto Notify
$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

R8 Caps & Black Washer Fluid Reservoir Cap Set

ES#4707624 - 009635ECS06KT - R8 Caps & Black Washer Fluid Reservoir Cap Set - Dress up your engine bay with a black washer reservoir cap and Audi R8 oil and expansion tank caps - Bremmen Parts - Audi Volkswagen

Dress up your engine bay with a black washer reservoir cap and Audi R8 oil and expansion tank caps affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4707624
Mfg#:
009635ECS06KT
In Stock
ON SALE! SAVE 24%
$97.99

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

$74.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

440cc Fuel Injectors - Set Of Six

ES#1895511 - 0280155968 - 440cc Fuel Injectors - Set Of Six - A drop-in injector commonly referred to as 'Green Giants' - Bosch - Audi

A drop-in injector commonly referred to as 'Green Giants' 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#:
1895511
Mfg#:
0280155968
In Stock
$251.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet PCV Vent Tube (06E103213)

ES#4932252 - 057381LA01 - Billet PCV Vent Tube (06E103213) - A durable upgrade over the failure-prone plastic OEM tube! - ECS - Audi

A durable upgrade over the failure-prone plastic OEM tube! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4932252
Mfg#:
057381LA01
In Stock
ON SALE! SAVE 20%
$52.99

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

$42.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Kohlefaser Luft-Technik Intake System - Audi B8 S4/S5 3.0T

ES#2746454 - 000931ECS01 - Kohlefaser Luft-Technik Intake System - Audi B8 S4/S5 3.0T - Engineered for dyno proven performance and show quality looks! - ECS - Audi

Engineered for dyno proven performance and show quality looks! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2746454
Mfg#:
000931ECS01
Ships on Sep 4, 2026
ON SALE! SAVE 15%
$815.99

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

$693.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RS4 Engine Mount - Priced Each

ES#2816259 - 8D0199379AD - RS4 Engine Mount - Priced Each - Upgrade to more durable mounts with no modifications necessary - Hamburg Tech - Audi Volkswagen

Upgrade to more durable mounts with no modifications necessary affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816259
Mfg#:
8D0199379AD
In Stock
$83.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Kevlar Reinforced Supercharger Belt

ES#4043249 - 7PK1310ECS - Performance Kevlar Reinforced Supercharger Belt - Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. - ECS - Audi
ECS Tuning recommends this product.

Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For use with 187.3mm crank pulley & OEM supercharger pulley only

Brand:
ECS - Corporate Logo
ES#:
4043249
Mfg#:
7PK1310ECS
In Stock
$60.99 USD
Free Shipping
on orders $49 and up
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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Manufacturer names and/or part numbers are used only for identification purposes.

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