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Audi S4 Engine Parts & Accessories

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Fuel Injector Repair Kit

ES#5434470 - 06E998907EKT3 - Fuel Injector Repair Kit - A simple kit to service the injectors - Assembled By ECS - Audi

A simple kit to service the injectors 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5434470
Mfg#:
06E998907EKT3
Ships Today
ON SALE! SAVE 10%
$273.99

This product was last offered at the strikethrough price on
09-29-2026

$245.53 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A/C Pressure Switch

ES#4057415 - 4H0959126B - A/C Pressure Switch - Prevents excess pressure from building within the system - Original Equipment - Audi

Prevents excess pressure from building within the system

Brand:
Original Equipment - Corporate Logo
ES#:
4057415
Mfg#:
4H0959126B
Back Ordered
$35.99

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

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger Installation Kit

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. 2X Entries Into Our F80 M3 Sweepstakes

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

Supertech Stainless Intake Valve - Priced Each

ES#3624375 - ST-AIVN-1103 - Supertech Stainless Intake Valve - Priced Each - Standard sized valve head diameter, factory triple groove keeper setup - Supertech - Audi Volkswagen

Standard sized valve head diameter, factory triple groove keeper setup *Valves priced individually - For 1.8T - qty 12 needed / For 2.7T - qty 18 needed - Please see long description for additional valve seal/keeper informa

Brand:
Supertech - Corporate Logo
ES#:
3624375
Mfg#:
ST-AIVN-1103
In Stock
$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Active Motor Mount Resistor Bypass - Priced Each

ES#2864610 - 034-708-0000 - Active Motor Mount Resistor Bypass - Priced Each - Plug-in resistor bypass to remove check engine light - One required per mount - 034Motorsport - Audi

Plug-in resistor bypass to remove check engine light - One required per mount 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864610
Mfg#:
034-708-0000
In Stock
$19.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Forged H-Beam Connecting Rods

ES#2794230 - IERHVD1 - Forged H-Beam Connecting Rods - Set of 6 - Integrated Engineering - Audi

Set of 6

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794230
Mfg#:
IERHVD1
Back Ordered
$808.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Kit

ES#3647760 - 48322 - Timing Chain Kit - Includes new timing chains, tensioners, and timing cover gasket - Febi - Audi

Includes new timing chains, tensioners, and timing cover gasket We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
3647760
Mfg#:
48322
In Stock
$1205.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount

ES#3561738 - 8W0399156BH - Transmission Mount - Includes bracket and rubber mounting - Genuine Volkswagen Audi - Audi

Includes bracket and rubber mounting

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3561738
Mfg#:
8W0399156BH
Ships in 1 day
10% off MSRP

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

$148.33

This product was last offered at the strikethrough price on
10-25-2026

$133.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Damper

ES#4758677 - 078109479E - Timing Belt Damper - Applies pressure to the tensioning roller through the lever - Bremmen Parts - Audi Volkswagen

Applies pressure to the tensioning roller through the lever 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4758677
Mfg#:
078109479E
In Stock
ON SALE! SAVE 16%
$36.99

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

$31.20 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/8.5 S4 3.0T Valved Cat Back Exhaust & Kohlefaser Luft-Technik Intake System

ES#4751087 - 008553ECS03EB2KT - Audi B8/8.5 S4 3.0T Valved Cat Back Exhaust & Kohlefaser Luft-Technik Intake System - Enhance the sound and performance of your S4 with an ECS Tuning cat-back and a Kohlefaser Luft-Technik Intake System - Enthusiast Bundles - Audi

Enhance the sound and performance of your S4 with an ECS Tuning cat-back and a Kohlefaser Luft-Technik Intake System Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751087
Mfg#:
008553ECS03EB2KT
Ships on May 21, 2027
ON SALE! SAVE 28%
$3351.75

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

$2399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Fuel Injector Installation Kit

ES#3613678 - 06e998907eKT - Complete Fuel Injector Installation Kit - Includes o-rings, insert, and retaining clip to service one fuel injector - Order qty 6 to service all fuel injectors - Genuine Volkswagen Audi - Audi

Includes o-rings, insert, and retaining clip to service one fuel injector - Order qty 6 to service all fuel injectors

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3613678
Mfg#:
06E998907EKT
Ships Today
$78.99

This product was last offered at the strikethrough price on
07-14-2026

$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VPS Heavy Duty Supercharger Belt Tensioner

ES#4070698 - VPS-TEN-A001-BLK - VPS Heavy Duty Supercharger Belt Tensioner - Verstarkt Performance Systems bring to you the first high-performance supercharger belt tensioner solution - A MUST HAVE for any modified setup! - Verstarkt Performance Systems - Audi

Verstarkt Performance Systems bring to you the first high-performance supercharger belt tensioner solution - A MUST HAVE for any modified setup!

Brand:
Verstarkt Performance Systems - Corporate Logo
ES#:
4070698
Mfg#:
VPS-TEN-A001-BLK
In Stock
$399.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injectors - Set Of Eight

ES#3677370 - 079133551bKT - Fuel Injectors - Set Of Eight - Keep your engine running smooth - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running smooth

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3677370
Mfg#:
079133551BKT
Ships in 4 Business Days
$2539.99

This product was last offered at the strikethrough price on
10-05-2026

$2393.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Dynamic+ Supercharger Belt - 1310mm

ES#5388894 - 034-145-Z058 - 034Motorsport Dynamic+ Supercharger Belt - 1310mm - Precision-manufactured to strict OEM dimensional specifications with advanced materials. High heat resistance to ensure long-term durability in extreme environments. - 034Motorsport - Audi

Precision-manufactured to strict OEM dimensional specifications with advanced materials. High heat resistance to ensure long-term durability in extreme environments. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
5388894
Mfg#:
034-145-Z058
In Stock
$28.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Main Timing Chain Tensioner

ES#4690007 - 079109218D - Main Timing Chain Tensioner - Tensioner for the main timing chain located between left and right idle gears - Bremmen Parts - Audi

Tensioner for the main timing chain located between left and right idle gears 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4690007
Mfg#:
079109218D
In Stock
ON SALE! SAVE 30%
$177.99

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

$125.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Drain Plug - With Washer

ES#3449380 - n91167901KT - Drain Plug - With Washer - Includes the crush washer. M14x1.5 - Genuine Volkswagen Audi - Audi Volkswagen

Includes the crush washer. M14x1.5

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3449380
Mfg#:
N91167901KT
In Stock
$7.99 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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