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Audi S4 Engine Pulley Parts

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Idler Pulley

ES#283614 - 078121235G - Idler Pulley - Provides mounting for the fan clutch - Genuine Volkswagen Audi - Audi Volkswagen

Provides mounting for the fan clutch affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
283614
Mfg#:
078121235G
Ships in 7 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.

$520.99

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

$485.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#281002 - 06E903137Q - Accessory Belt - Replace your cracked or worn belt - Genuine Volkswagen Audi - Audi

Replace your cracked or worn belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281002
Mfg#:
06E903137Q
Ships in 1-2 days
3% off MSRP

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

$118.99

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

$115.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Belt Tensioner

ES#2866290 - 06E903133H - Supercharger Belt Tensioner - Keep your supercharger belt tight - Febi - Audi
ECS Tuning recommends this product.

Keep your supercharger belt tight affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Up to production date 7/11/2011

Brand:
Febi - Corporate Logo
ES#:
2866290
Mfg#:
06E903133H
Ships on Sep 2, 2026
$111.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner

ES#1306586 - 078903133AB - Accessory Belt Tensioner - Keep your drive belt tight - Ina - Audi Volkswagen

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

Brand:
Ina - Corporate Logo
ES#:
1306586
Mfg#:
078903133AB
Ships in 7 Business Days
$72.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE 3.0T Supercharger Pulley Upgrade (4-Bolt Style)

ES#3647603 - IEBAVJ5 - IE 3.0T Supercharger Pulley Upgrade (4-Bolt Style) - Increases the supercharger RPM throughout the full powerband, raising supercharger speed by 7% - Integrated Engineering - Audi

Increases the supercharger RPM throughout the full powerband, raising supercharger speed by 7% affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
*Fits very late model years equipped with 4-bolt style supercharger pulleys - 3.0 TFSI Stage 2 Software is required in order for this pulley to yield a p

Brand:
Integrated Engineering - Corporate Logo
ES#:
3647603
Mfg#:
IEBAVJ5
In Stock
$216.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Power Steering Pump Pulley

ES#4907729 - 078145255H - Power Steering Pump Pulley - Replacement pulley for the power steering pump - Atlantic Automotive Engineering - Audi Volkswagen

Replacement pulley for the power steering pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Atlantic Automotive Engineering - Corporate Logo
ES#:
4907729
Mfg#:
078145255H
In Stock
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Socket Head Collared Screw - Priced Each

ES#471966 - N91128701 - Socket Head Collared Screw - Priced Each - Install new hardware with your new parts. M8x32 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8x32 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures accessory belt tensioner - Two required

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471966
Mfg#:
N91128701
In Stock
43% off MSRP

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

$6.96

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

$3.99 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 As Crank Pulley Only Upgrade

ES#4305084 - 025510ECS01KT2 - Audi 3.0T Performance Overdrive Crank Pulley With ECS Performance Kevlar Reinforced Supercharger Belt- 187.3mm - For Use As Crank Pulley Only 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#:
4305084
Mfg#:
025510ECS01KT2
Ships in 1 Business Day
$416.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit W/ Tensioner

ES#2678389 - 06E903137QKT2 - 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Up to the 2012 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2678389
Mfg#:
06E903137QKT2
Ships in 10 Business Days
Auto Notify
ON SALE!
$109.99

This product was last offered at the strikethrough price on
04-28-2026

$102.01 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Supercharger Crank Pulley Upgrade - 180mm

ES#3438174 - CTS-HW-266-180 - CTS Turbo Supercharger Crank Pulley Upgrade - 180mm - Larger diameter pulley increases the speed at which the supercharger spins, increasing the boost pressure output - CTS - Audi Porsche

Larger diameter pulley increases the speed at which the supercharger spins, increasing the boost pressure output affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*NOTE: This kit must be used with appropriate "Stage 2" performance software.

Brand:
CTS - Corporate Logo
ES#:
3438174
Mfg#:
CTS-HW-266-180
Special Order: No Guaranteed ETA
$379.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner

ES#2187572 - 078903133AB - Accessory Belt Tensioner - Keep your drive belt tight - URO - Audi Volkswagen

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

Brand:
URO - Corporate Logo
ES#:
2187572
Mfg#:
078903133AB
In Stock
$37.54 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit W/ Tensioner

ES#2678391 - 06E903137TKT - Accessory Belt Kit W/ Tensioner - Keep your accessories running properly with a new tensioner and drive belt - Genuine Volkswagen Audi - Audi

Keep your accessories running properly with a new tensioner and drive belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2678391
Mfg#:
06E903137TKT
Ships in 2 Business Days
$371.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit W/ Tensioner

ES#2678390 - 06E903137QKT - Accessory Belt Kit W/ Tensioner - Keep your accessories running properly with a new tensioner and drive belt - Genuine Volkswagen Audi - Audi

Keep your accessories running properly with a new tensioner and drive belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Up to the 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2678390
Mfg#:
06E903137QKT
Ships in 1-2 days
$368.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Pulley OE# 078105251Q

ES#3149801 - 078105251Q - Crankshaft Pulley OE# 078105251Q - Reduces vibrations and drives the accessory belt - Vaico - Audi Volkswagen

Reduces vibrations and drives the accessory belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3149801
Mfg#:
078105251Q
Ships on Sep 30, 2026
$129.99

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

$122.99 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.

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