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Audi S4 Engine Pulley Parts

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Accessory Belt Tensioner

ES#3143779 - 06E903133AE - Accessory Belt Tensioner - Keep your drive belt tight - Genuine Volkswagen Audi - Audi

Keep your drive belt tight From the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3143779
Mfg#:
06E903133AE
Ships in 1-2 days
ON SALE!
$237.99

This product was last offered at the strikethrough price on
06-15-2026

$220.03 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Pulley

ES#2631731 - 06E105251F - Crankshaft Pulley - Reduces vibrations and drives the accessory belt - Genuine Volkswagen Audi - Audi

Reduces vibrations and drives the accessory belt

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2631731
Mfg#:
06E105251F
Ships in 3 Business Days
7% off MSRP

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

$693.99

This product was last offered at the strikethrough price on
06-01-2026

$646.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#2120853 - 06E903137T - Accessory Belt - Replace your cracked or worn belt - Genuine Volkswagen Audi - Audi

Replace your cracked or worn belt From the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2120853
Mfg#:
06E903137T
Ships in 3 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.

$136.99

This product was last offered at the strikethrough price on
07-21-2026

$125.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Drive Idler Pulley With Bolt

ES#4699360 - 06M903341D - Accessory Belt Drive Idler Pulley With Bolt - Replace your worn idler pulley - Litens - Audi

Replace your worn idler pulley

Brand:
Litens - Corporate Logo
ES#:
4699360
Mfg#:
06M903341D
In Stock
$56.99

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

$54.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit W/ Tensioner

ES#3690231 - 06e903133aektKT - Accessory Belt Kit W/ Tensioner - Keep your accessories running properly with a new tensioner and drive belt - Assembled By ECS - Audi

Keep your accessories running properly with a new tensioner and drive belt 10X Entries For Our 25th Anniversary Sweepstakes!
From the 2013 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
3690231
Mfg#:
06E903133AEKTKT
Back Ordered
Auto Notify
ON SALE!
$145.99

This product was last offered at the strikethrough price on
03-17-2026

$134.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Pulley

ES#284501 - 079105251N - Crankshaft Pulley - Standard size replacement vibration dampening pulley - Genuine Volkswagen Audi - Audi

Standard size replacement vibration dampening pulley

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284501
Mfg#:
079105251N
Ships in 9 Business Days
6% off MSRP

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

$1280.99

This product was last offered at the strikethrough price on
07-16-2026

$1204.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Drive Idler Pulley

ES#4699361 - 06M260938J - Accessory Belt Drive Idler Pulley - Replace your worn idler pulley - Litens - Audi

Replace your worn idler pulley

Brand:
Litens - Corporate Logo
ES#:
4699361
Mfg#:
06M260938J
In Stock
$50.99

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

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit With ECS Performance Kevlar Reinforced Accessory Belt

ES#4714570 - 079903137EKT - Accessory Belt Kit With ECS Performance Kevlar Reinforced Accessory Belt - Keep your drive belt tight with an ECS Performance Kevlar Reinforced Accessory Belt, tensioner, and hardware. - Assembled By ECS - Audi

Keep your drive belt tight with an ECS Performance Kevlar Reinforced Accessory Belt, tensioner, and hardware. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4714570
Mfg#:
079903137EKT
In Stock
ON SALE! SAVE 38%
$383.54

This product was last offered at the strikethrough price on
02-27-2026

$236.64 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Pulley Installation Kit

ES#3477712 - IEBAVJ4 - Supercharger Pulley Installation Kit - Ease the 3.0T supercharger pulley removal/installation process with this install kit - Integrated Engineering - Audi Volkswagen Porsche

Ease the 3.0T supercharger pulley removal/installation process with this install kit 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3477712
Mfg#:
IEBAVJ4
Ships in 1 Business Day
$233.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Drive Belt

ES#3181969 - 06M260849L - Accessory Drive Belt - Keep your car from breaking down by replacing your cracked drive belt - Genuine Volkswagen Audi - Audi

Keep your car from breaking down by replacing your cracked drive belt

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3181969
Mfg#:
06M260849L
In Stock
6% off MSRP

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

$61.99

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

$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

APR Supercharger Drive Pulley Upgrade

ES#3219163 - MS100135 - APR Supercharger Drive Pulley Upgrade - Decreases the diameter of the factory pulley from ~63.25mm to ~57.75mm, which in turn spins the supercharger ~9.5% faster. - APR - Audi Porsche

Decreases the diameter of the factory pulley from ~63.25mm to ~57.75mm, which in turn spins the supercharger ~9.5% faster. Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
- APR Stage II software is required to run any upgraded Pulley configuration and is sold separately - Ple

Brand:
APR - Corporate Logo
ES#:
3219163
Mfg#:
MS100135
Ships in 5 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.

$250.99

This product was last offered at the strikethrough price on
07-21-2026

$222.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Kevlar Reinforced Accessory Belt

ES#4661016 - 5PK1105 - Performance Kevlar Reinforced Accessory 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. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4661016
Mfg#:
5PK1105
In Stock
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Dual Pulley Kit For 3.0TFSI

ES#4821288 - UH018BTA - Unitronic Dual Pulley Kit For 3.0TFSI - Upgrade to the ultimate pulley setup! - Unitronic - Audi Porsche

Upgrade to the ultimate pulley setup!

Brand:
Unitronic - Corporate Logo
ES#:
4821288
Mfg#:
UH018BTA
Ships in 6 Business Days
$549.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Compressor Drive Unit

ES#1894628 - 06E145607A - Compressor Drive Unit - Front pulley assembly for the supercharger compressor - Genuine Volkswagen Audi - Audi

Front pulley assembly for the supercharger compressor

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1894628
Mfg#:
06E145607A
Ships in 9 Business Days
6% off MSRP

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

$1142.99

This product was last offered at the strikethrough price on
07-21-2026

$1074.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Idler Pulley

ES#4830571 - 06E903341G - Accessory Belt Idler Pulley - Also referred to as the 'relay roller' - Bremmen Parts - Audi

Also referred to as the 'relay roller' 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4830571
Mfg#:
06E903341G
In Stock
ON SALE! SAVE 22%
$22.99

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

$17.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Pulley Parts

Pulleys drive accessories essential to vehicle operation. Whether you need to install a stock original equipment pulley during a repair, or improve engine performance and appearance with a lightweight aluminum or underdrive pulley, count on ECS Tuning for pulley solutions that work.

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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