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Audi S4 Engine Parts & Accessories

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Breather Tube

ES#4657785 - 06E103207AP - Breather Tube - Connects the breather assembly to the intake pipe - VNE - Audi

Connects the breather assembly to the intake pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine code CTUB

Brand:
VNE - Corporate Logo
ES#:
4657785
Mfg#:
06E103207AP
In Stock
$133.99

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

$129.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

APR 3.0 TFSI Ultracharger System

ES#3219160 - MS100128 - APR 3.0 TFSI Ultracharger System - Dramatically increases horsepower and torque, and maximizes the power potential of the 3.0 TFSI - APR - Audi

Dramatically increases horsepower and torque, and maximizes the power potential of the 3.0 TFSI 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!
APR’s Ultracharger ECU Upgrade is included for those who currently have an APR Stage 2 ECU Upgrade. APR

Brand:
APR - Corporate Logo
ES#:
3219160
Mfg#:
MS100128
Ships in 4 Business Days
11% off MSRP

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

$1037.99

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

$921.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Supercharger Service Kit +

ES#4766246 - 06E145621SF3KT - Ultimate Supercharger Service Kit + - Fix all possible coolant leaks for your 3.0T in one click! - Genuine Volkswagen Audi - Audi

Fix all possible coolant leaks for your 3.0T in one click! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits from the 2013 model year (facelift)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4766246
Mfg#:
06E145621SF3KT
Ships in 2 Business Days
$2544.89

This product was last offered at the strikethrough price on
04-20-2026

$2283.74 USD
This product is lifetime replacement eligible Partial Replacement

Supercharger Belt

ES#2800641 - 06E903137AB - Supercharger Belt - Replace your cracked or worn belt - Continental - Audi Volkswagen

Replace your cracked or worn belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2800641
Mfg#:
06E903137AB
In Stock
$20.36 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE Harsh Climate 5" Oiled Filter & Sock Kit

ES#4465497 - IEINUU2 - IE Harsh Climate 5" Oiled Filter & Sock Kit - Direct replacement filter for all popular IE air intake kits with a 5" velocity stack. - Integrated Engineering - Audi Volkswagen

Direct replacement filter for all popular IE air intake kits with a 5" velocity stack. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
For vehicles that already have an IE intake

Brand:
Integrated Engineering - Corporate Logo
ES#:
4465497
Mfg#:
IEINUU2
In Stock
$76.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Camshaft Set - 272 / 264 Degree

A moderate increase for street vehicles affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Schrick - Corporate Logo
ES#:
4056149
Mfg#:
0457A1721641KT
Ships on Oct 1, 2026
$4541.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cam Chain Tensioner Kit

ES#4488369 - 078109087f88hKT - Cam Chain Tensioner Kit - Complete kit to replace both cam chain tensioners. Includes tensioners, hardware, gaskets, and tool! - Assembled By ECS - Audi Volkswagen

Complete kit to replace both cam chain tensioners. Includes tensioners, hardware, gaskets, and tool! 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#:
4488369
Mfg#:
078109087F88HKT
Ships in 6 Business Days
ON SALE! SAVE 23%
$589.99

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

$453.58 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi B8/B8.5 S4/S5 Carbon Fiber Left Side Engine Bay Cover

ES#3570284 - 023149ecs02KT - Audi B8/B8.5 S4/S5 Carbon Fiber Left Side Engine Bay Cover - Cover up unsightly under hood components with carbon fiber style! - ECS - Audi

Cover up unsightly under hood components with carbon fiber style! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3570284
Mfg#:
023149ECS02KT
Ships on Aug 31, 2026
Auto Notify
ON SALE! SAVE 15%
$241.99

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

$205.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Inlet Kit - Carbon Fiber - Audi B8 S4/S5 3.0T

ES#2836833 - 000931ecs02aKT - Supercharger Inlet Kit - Carbon Fiber - Audi B8 S4/S5 3.0T - Replace the accordion throttle body hose with a smooth carbon fiber tube - ECS - Audi

Replace the accordion throttle body hose with a smooth carbon fiber tube affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2836833
Mfg#:
000931ECS02AKT
In Stock
ON SALE! SAVE 15%
$252.99

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

$215.04 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Filter Housing

ES#5335418 - 06M115401M - Filter Housing - Replace the broken of leaking filter housing. - Genuine Volkswagen Audi - Audi

Replace the broken of leaking filter housing. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5335418
Mfg#:
06M115401M
In Stock
1% off MSRP

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

$285.99

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

$281.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Tunnel Street Shield Aluminum Skid Plate Kit

ES#3610307 - 023780ecs02KT - ECS Tuning Tunnel Street Shield Aluminum Skid Plate Kit - Protect your vehicle's tunnel and improve aerodynamics - ECS - Audi

Protect your vehicle's tunnel and improve aerodynamics affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fits Manual and DSG Transmissions

Brand:
ECS - Corporate Logo
ES#:
3610307
Mfg#:
023780ECS02KT
In Stock
ON SALE! SAVE 10%
$334.00

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

$300.60 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Gas Temperature Sensor EGT (pair)

ES#4727536 - TTE10587 - Exhaust Gas Temperature Sensor EGT (pair) - Designed to be used for both left and right side. - The Turbo Engineers - Audi

Designed to be used for both left and right side. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
The Turbo Engineers - Corporate Logo
ES#:
4727536
Mfg#:
TTE10587
Ships on Jun 30, 2026
$749.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi 3.0T Performance Overdrive Crank Pulley With ECS Performance Kevlar Reinforced Supercharger Belt - 187.3mm - For Use With Supercharger Pulley Upgrade

ES#4821293 - 025510ECS01KT3 - Audi 3.0T Performance Overdrive Crank Pulley With ECS Performance Kevlar Reinforced Supercharger Belt - 187.3mm - For Use With Supercharger Pulley Upgrade - Spin the supercharger faster without affecting the accessory drive system - ECS - Audi Volkswagen Porsche

Spin the supercharger faster without affecting the accessory drive system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Appropriate stage 2 software is required for use

Brand:
ECS - Corporate Logo
ES#:
4821293
Mfg#:
025510ECS01KT3
Ships in 10 Business Days
Auto Notify
$408.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Fuel Cap Cover - Black Anodized

ES#3677064 - 022506ECS0102 - Billet Fuel Cap Cover - Black Anodized - Upgrade your gas cap to our gorgeous CNC-machined aluminum cover. Easily installs over your existing cap! - ECS - Audi Volkswagen Porsche

Upgrade your gas cap to our gorgeous CNC-machined aluminum cover. Easily installs over your existing cap! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3677064
Mfg#:
022506ECS0102
In Stock
$120.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Edge European Formula Full Synthetic Engine Oil (5w-40) - 5 Quart

ES#3478518 - 03247 - Edge European Formula Full Synthetic Engine Oil (5w-40) - 5 Quart - Meets VAG 502.00/505.00 and Porsche A40 specifications - Castrol - Audi Volkswagen

Meets VAG 502.00/505.00 and Porsche A40 specifications affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Castrol - Corporate Logo
ES#:
3478518
Mfg#:
03247
In Stock
$72.58

This product was last offered at the strikethrough price on
05-19-2026

$58.78 USD
Free Shipping
on orders $49 and up

Bypass Valve Pipe Gasket Set

ES#1894631 - 06E198012A - Bypass Valve Pipe Gasket Set - Top and bottom O-ring gasket set for supercharger bypass pipe - Genuine Volkswagen Audi - Audi

Top and bottom O-ring gasket set for supercharger bypass pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1894631
Mfg#:
06E198012A
In Stock
17% off MSRP

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

$103.34

This product was last offered at the strikethrough price on
06-08-2026

$85.90 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

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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