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Audi S4 Performance Pulleys

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Supercharger Pulley Upgrade Kit

ES#4043098 - CTS-HW-0333 - Supercharger Pulley Upgrade Kit - Software & installation kit not included in this upgrade kit - CTS - Audi

Software & installation kit not included in this upgrade kit Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
*For models with bolt-on style supercharger pulleys - 3.0 TFSI Performance Software is sold separately an

Brand:
CTS - Corporate Logo
ES#:
4043098
Mfg#:
CTS-HW-0333
Ships in 7 Business Days
ON SALE! SAVE 20%
$159.99

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

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

Alternator Pulley Hardware Kit

ES#271279 - 028903320C - 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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For use with Bosch style alternators

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
271279
Mfg#:
028903320C
Ships in 1 day
16% off MSRP

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

$18.99

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

$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3.0T Supercharger Pulley Removal Tool Kit

ES#4362298 - UH005-BT0 - 3.0T Supercharger Pulley Removal Tool Kit - Includes everything required to properly remove the stock supercharger pulley - Unitronic - Audi Volkswagen Porsche

Includes everything required to properly remove the stock supercharger pulley Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Unitronic - Corporate Logo
ES#:
4362298
Mfg#:
UH005-BT0
Ships in 5 Business Days
$219.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi 3.0T Performance Supercharger Pulley - 57.6mm - Press Fit - Kit With OE Belt

ES#4056960 - 025509ecs01KT - Audi 3.0T Performance Supercharger Pulley - 57.6mm - Press Fit - Kit With OE Belt - Easily increase the supercharger rotational speed to create more boost - ECS - Audi Volkswagen Porsche

Easily increase the supercharger rotational speed to create more boost 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Appropriate stage 2 software is required for use

Brand:
ECS - Corporate Logo
ES#:
4056960
Mfg#:
025509ECS01KT
In Stock
$215.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Pulley Removal Tool

ES#2855824 - FMSCPS53TIK - Supercharger Pulley Removal Tool - Used to remove the supercharger pulley on 3.0T engines - Forge - Audi Porsche

Used to remove the supercharger pulley on 3.0T engines Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Forge - Corporate Logo
ES#:
2855824
Mfg#:
FMSCPS53TIK
Ships on Nov 18, 2026
ON SALE! SAVE 10%
$218.99

This product was last offered at the strikethrough price on
10-26-2026

$196.40 USD
Free Shipping
on orders $49 and up

Fluidampr Overdrive Ring - 179mm

ES#3557473 - 651201cr179KT - Fluidampr Overdrive Ring - 179mm - Includes 1300mm belt for use with 57mm or 63mm supercharger pulleys - iABED Industries - Audi Porsche

Includes 1300mm belt for use with 57mm or 63mm supercharger pulleys Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Only for us with Fluidampr 651201C.

Brand:
iABED Industries - Corporate Logo
ES#:
3557473
Mfg#:
651201CR179KT
Back Ordered
$203.99

This product was last offered at the strikethrough price on
08-31-2026

$191.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Revo Supercharger Pulley and Belt Kit

CNC machined from high grade stainless steel, and designed with a smaller radius than the factory pulley. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
REVO - Corporate Logo
ES#:
4499781
Mfg#:
RA221M200100
Back Ordered
$187.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Pulley Upgrade Kit - Without Belt

ES#3523389 - CTS-HW-0133BELT - Supercharger Pulley Upgrade Kit - Without Belt - Software & installation kit not included in this upgrade kit - CTS - Audi Porsche

Software & installation kit not included in this upgrade kit Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
*To be used with CTS 3.0T Crank Pulley Upgrade Kit - 3.0 TFSI Performance Software is sold separately and

Brand:
CTS - Corporate Logo
ES#:
3523389
Mfg#:
CTS-HW-0133BELT
Special Order: No Guaranteed ETA
$159.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Gen 2 3.0T Supercharger Pulley

ES#3659997 - CTS-HW-333 - CTS Turbo Gen 2 3.0T Supercharger Pulley - Decreases the diameter of the factory pulley, increasing the boost pressure output - Software not included in this upgrade - CTS - Audi

Decreases the diameter of the factory pulley, increasing the boost pressure output - Software not included in this upgrade Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
*Fits very late model years equipped with 4-bolt style supercharger pulleys - 3.0 TFSI Stage 2 Software i

Brand:
CTS - Corporate Logo
ES#:
3659997
Mfg#:
CTS-HW-333
Special Order: No Guaranteed ETA
$159.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Power Steering Pulley Hardware Kit

ES#3142418 - N90308607KT4 - Power Steering Pulley Hardware Kit - Includes brand new hardware to secure the power steering pulley to the pump - Genuine Volkswagen Audi - Audi

Includes brand new hardware to secure the power steering pulley to the pump Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3142418
Mfg#:
N90308607KT4
In Stock
$15.99

This product was last offered at the strikethrough price on
06-23-2026

$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lightweight Pulley Installation Hardware Kit

ES#3142424 - N01473911KT4 - Lightweight Pulley Installation Hardware Kit - Includes brand new hardware to secure your new ECS Tuning Lightweight Pulley Set! - Genuine Volkswagen Audi - Audi

Includes brand new hardware to secure your new ECS Tuning Lightweight Pulley Set! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For vehicles with Valeo style alternators

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3142424
Mfg#:
N01473911KT4
Ships in 1 day
$88.99

This product was last offered at the strikethrough price on
06-23-2026

$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Pulley Hardware Kit

ES#3142414 - n01473911kt2 - Crankshaft Pulley Hardware Kit - Includes brand new hardware to secure the crankshaft pulley to the sprocket - Genuine Volkswagen Audi - Audi

Includes brand new hardware to secure the crankshaft pulley to the sprocket Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3142414
Mfg#:
N01473911KT2
In Stock
$33.99 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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For vehicles with Bosch style alternators

Brand:
Assembled By ECS - Corporate Logo
ES#:
3142421
Mfg#:
N01473911KT3
Ships in 1 day
ON SALE! SAVE 21%
$58.99

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

$46.89 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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For use with Valeo style alternators

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
10-28-2026

$39.99 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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For use with Bosch style alternators

Brand:
Assembled By ECS - Corporate Logo
ES#:
2855340
Mfg#:
028903320CKT
Ships in 1 day
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

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