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Audi S4 Engine Pulley Parts

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Accessory Belt Tensioner

ES#3234897 - 078903133AB - Accessory Belt Tensioner - Keep your drive belt tight - Gates - Audi Volkswagen

Keep your drive belt tight

Brand:
Gates - Corporate Logo
ES#:
3234897
Mfg#:
078903133AB
Ships on Sep 25, 2026
$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Belt Tensioner

ES#5341356 - 06E903133AB - Supercharger Belt Tensioner - Keep your supercharger belt tight - URO - Audi

Keep your supercharger belt tight 2X Entries Into Our F80 M3 Sweepstakes
From production date 7/12/2011

Brand:
URO - Corporate Logo
ES#:
5341356
Mfg#:
06E903133AB
Back Ordered
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Socket head bolt

ES#467183 - N0447141 - Socket head bolt - M8x80 - Genuine Volkswagen Audi - Audi

M8x80

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467183
Mfg#:
N0447141
Ships in 4 Business Days
10% off MSRP

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

$9.99

This product was last offered at the strikethrough price on
09-06-2026

$8.99 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#4305028 - 6PK1856KT1 - Accessory Belt Kit With ECS Performance Kevlar Reinforced Accessory Belt - Keep your accessories running properly with a new tensioner and ECS performance Kevlar reinforced accessory belt - Assembled By ECS - Audi

Keep your accessories running properly with a new tensioner and ECS performance Kevlar reinforced accessory belt 10X Entries Into Our F80 M3 Sweepstakes
Securing hardware has been discontinued from manufacturer and is no longer included in kit contents.

Brand:
Assembled By ECS - Corporate Logo
ES#:
4305028
Mfg#:
6PK1856KT1
Ships on Nov 12, 2026
Auto Notify
ON SALE! SAVE 18%
$86.99

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

$71.18 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lightweight Pulley Installation Hardware Kit

ES#3142421 - N01473911KT3 - Lightweight Pulley Installation Hardware Kit - Includes brand new hardware to secure your new ECS Tuning Lightweight Pulley Set! - Assembled By ECS - Audi

Includes brand new hardware to secure your new ECS Tuning Lightweight Pulley Set! 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with Bosch style alternators

Brand:
Assembled By ECS - Corporate Logo
ES#:
3142421
Mfg#:
N01473911KT3
Ships in 1-2 days
ON SALE! SAVE 11%
$58.99

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

$52.75 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Idler Pulley

ES#2972712 - 06E903341A - Accessory Belt Idler Pulley - Also referred to as the 'relay roller' - Hamburg Tech - Audi

Also referred to as the 'relay roller' We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2972712
Mfg#:
06E903341A
Ships in 1 Business Day
ON SALE! SAVE 10%
$27.99

This product was last offered at the strikethrough price on
09-03-2026

$25.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Idler Pulley

ES#3234820 - 06E903341A - Accessory Belt Idler Pulley - Also referred to as the 'relay roller' - Gates - Audi

Also referred to as the 'relay roller'

Brand:
Gates - Corporate Logo
ES#:
3234820
Mfg#:
06E903341A
Ships on Sep 25, 2026
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Drive Idler Pulley With Bolt

Replace your worn idler pulley

Brand:
VNE - Corporate Logo
ES#:
4821040
Mfg#:
06M260938H
Ships in 1-2 days
$43.99

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

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#2992713 - 054903137B - Accessory Belt - Keep your car from breaking down by replacing your cracked drive belt - Continental - Audi

Keep your car from breaking down by replacing your cracked drive belt We Price Match - Give Us A Call or Chat!

Brand:
Continental - Corporate Logo
ES#:
2992713
Mfg#:
054903137B
Ships in 2 Business Days
$41.72 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Pulley Hardware Kit

ES#272865 - 030903181 - Alternator Pulley Hardware Kit - A new washer and nut to install your pulley - Genuine Volkswagen Audi - Audi Volkswagen

A new washer and nut to install your pulley

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
272865
Mfg#:
030903181
Ships in 4 Business Days
9% off MSRP

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

$43.99

This product was last offered at the strikethrough price on
09-06-2026

$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spacer ring

ES#285140 - 079903237 - Spacer ring - Alternator spacer ring, 5.2mm - Genuine Volkswagen Audi - Audi

Alternator spacer ring, 5.2mm From VIN 8E-5-065001, split is in the 2005 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
285140
Mfg#:
079903237
In Stock
ON SALE! SAVE 22%
$50.99

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

$39.92 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#3234900 - 078903137BL - Accessory Belt - Replace your cracked or worn belt - Gates - Audi

Replace your cracked or worn belt

Brand:
Gates - Corporate Logo
ES#:
3234900
Mfg#:
078903137BL
Ships on Sep 25, 2026
$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Countersink Oval Bolt - Priced Each

ES#468324 - N10505404 - Countersink Oval Bolt - Priced Each - M6x20 - Genuine Volkswagen Audi - Audi

M6x20 Secures idler pulley mounting bracket - Two required

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468324
Mfg#:
N10505404
Ships in 1-2 days
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belt - 5K X 1105 Contitech

ES#3234905 - 079903137E - Belt - 5K X 1105 Contitech - Gates - Audi

Brand:
Gates - Corporate Logo
ES#:
3234905
Mfg#:
079903137E
Ships on Sep 25, 2026
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Pulley Hardware Kit

ES#2855340 - 028903320CKT - Alternator Pulley Hardware Kit - A new washer and nut to install your pulley - Assembled By ECS - Audi Volkswagen

A new washer and nut to install your pulley 10X Entries Into Our F80 M3 Sweepstakes
For use with Bosch style alternators

Brand:
Assembled By ECS - Corporate Logo
ES#:
2855340
Mfg#:
028903320CKT
Ships in 1-2 days
ON SALE! SAVE 25%
$13.99

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

$10.49 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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