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Audi Performance Pulleys

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034Motorsport 3.0T Supercharger Pulley Upgrade

ES#4846364 - 034-145-Z041 - 034Motorsport 3.0T Supercharger Pulley Upgrade - Increased horsepower and torque throughout the powerband when paired with Stage 2/2+ Performance Software. - 034Motorsport - Audi

Increased horsepower and torque throughout the powerband when paired with Stage 2/2+ Performance Software. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires Stage 2/2+ Software of your choice and a Supercharger Clutch Delete Kit. (ES4809733/ES4809734)
For vehicles from the 2016 model year only.

Brand:
034Motorsport - Corporate Logo
ES#:
4846364
Mfg#:
034-145-Z041
In Stock
$204.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Lightweight Underdrive Crank Pulley Kit - Silver

ES#6140 - 06F198002SLV - Lightweight Underdrive Crank Pulley Kit - Silver - Bolt on way to reclaim lost horsepower - ECS - Audi

Bolt on way to reclaim lost horsepower affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
6140
Mfg#:
06F198002SLV
In Stock
ON SALE! SAVE 10%
$194.99

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

$175.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Integrated Engineering 3.0T "Dual Pulley" Power Kit

ES#4351842 - ieppcgj2 - Integrated Engineering 3.0T "Dual Pulley" Power Kit - Turn your Audi B8 S4 or S5 into an all-out street monster with IE's complete Dual Pulley kit! Includes ECU software plus "Dual Pulley" setup - Integrated Engineering - Audi

Turn your Audi B8 S4 or S5 into an all-out street monster with IE's complete Dual Pulley kit! Includes ECU software plus "Dual Pulley" setup affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Fits vehicles with manual transmissions only

Brand:
Integrated Engineering - Corporate Logo
ES#:
4351842
Mfg#:
IEPPCGJ2
In Stock
$1799.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Lightweight Underdrive Pulley Set - Black Anodized

ES#420 - MK44CPK - Lightweight Underdrive Pulley Set - Black Anodized - Includes a new alternator, power steering and crank pulley that allows you to use a stock belt. - ECS - Audi Volkswagen

Includes a new alternator, power steering and crank pulley that allows you to use a stock belt. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Vehicles with clutched alternator pulley require hardware kit - ES271279 for installation

Brand:
ECS - Corporate Logo
ES#:
420
Mfg#:
MK44CPK
In Stock
ON SALE! SAVE 15%
$298.99

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

$254.14 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Integrated Engineering 3.0T 207mm Dual Pulley Power Kit

ES#4491710 - IEBAVJ6KT - Integrated Engineering 3.0T 207mm Dual Pulley Power Kit - The one pulley solution for dual pulley power! - Integrated Engineering - Audi

The one pulley solution for dual pulley power! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Fits vehicles with manual transmissions only

Brand:
Integrated Engineering - Corporate Logo
ES#:
4491710
Mfg#:
IEBAVJ6KT
In Stock
$1776.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Audi Late 3.0T Performance Dual Pulley Upgrade Kit With ECS Performance Kevlar Reinforced Supercharger Belt

ES#4608476 - 016823LA01-2KT - Audi Late 3.0T Performance Dual Pulley Upgrade Kit With ECS Performance Kevlar Reinforced Supercharger Belt - Bolt On Late 3.0T Supercharger Pulley Upgrade! - ECS - Audi

Bolt On Late 3.0T Supercharger Pulley Upgrade! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Late 3.0T Bolt On Pulley - Please Confirm Fitment Before Ordering - Appropriate stage 2 software is requi

Brand:
ECS - Corporate Logo
ES#:
4608476
Mfg#:
016823LA01-2KT
Ships on Jun 29, 2026
Auto Notify
$558.99 USD
Free Shipping
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Unitronic - Corporate Logo
ES#:
4821288
Mfg#:
UH018BTA
Ships in 5 Business Days
$549.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Kevlar Reinforced Accessory Belt

ES#3677912 - 078903137BL - 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3677912
Mfg#:
078903137BL
In Stock
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SuperDuper Charger 84mm Throttle Body System

ES#4900052 - 034-108-1912 - SuperDuper Charger 84mm Throttle Body System - The purpose of this kit is to improve power beyond the factory throttle body in a clean and cost-effective package. - 034Motorsport - Audi

The purpose of this kit is to improve power beyond the factory throttle body in a clean and cost-effective package. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles up through the 2019 model year only

Brand:
034Motorsport - Corporate Logo
ES#:
4900052
Mfg#:
034-108-1912
Back Ordered
$710.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Kevlar Reinforced Accessory Belt

ES#3677913 - 06B903137D - 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Up to VIN 8E-4-191000, split is in the 2004 model year

Brand:
ECS - Corporate Logo
ES#:
3677913
Mfg#:
06B903137D
Ships in 10 Business Days
Auto Notify
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lightweight Underdrive Pulley Set - Red Anodized

ES#3985 - MK44CPK-RED - Lightweight Underdrive Pulley Set - Red Anodized - Includes a new alternator, power steering and crank pulley that allows you to use a stock belt. - ECS - Audi Volkswagen

Includes a new alternator, power steering and crank pulley that allows you to use a stock belt. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Vehicles with clutched alternator pulley require hardware kit - ES271279 for installation

Brand:
ECS - Corporate Logo
ES#:
3985
Mfg#:
MK44CPK-RED
In Stock
ON SALE!
$305.99

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

$290.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Kevlar Reinforced Accessory Belt

ES#3677909 - 06A260849C - Performance Kevlar Reinforced Accessory Belt - Our Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. - ECS - Audi Volkswagen
ECS Tuning recommends this product.

Our Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3677909
Mfg#:
06A260849C
Back Ordered
Auto Notify
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Kevlar Reinforced Accessory Belt - Alternator

ES#3677911 - 06B903137E - Performance Kevlar Reinforced Accessory Belt - Alternator - Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. - ECS - Audi Volkswagen
ECS Tuning recommends this product.

Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3677911
Mfg#:
06B903137E
Ships on Oct 22, 2026
$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Pulley Upgrade Kit

ES#3082216 - CTS-HW-0133 - Supercharger Pulley Upgrade Kit - Software & installation kit not included in this upgrade kit - CTS - Audi Porsche

Software & installation kit not included in this upgrade kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*For models with press-on style supercharger pulleys - 3.0 TFSI Performance Software is sold separately a

Brand:
CTS - Corporate Logo
ES#:
3082216
Mfg#:
CTS-HW-0133
Back Ordered
Auto Notify
$159.99 USD
Free Shipping
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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.

$241.99

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

$214.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Pulleys

Underdrive pulleys help reduce the amount of power your engine has to devote to accessories like your alternator or a/c compressor. Unlock extra power with performance underdrive pulleys and lightweight pulley options to reduce rotating mass.

Other Audi Performance Pulleys

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