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Audi S4 Engine Pulley Parts

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Performance Kevlar Reinforced Accessory Belt

ES#4661037 - 6PK2330 - 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 Into Our F80 M3 Sweepstakes

From the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
4661037
Mfg#:
6PK2330
In Stock
$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS Turbo Supercharger Crank Pulley Upgrade - 192mm

ES#4042975 - CTS-HW-266-192 - CTS Turbo Supercharger Crank Pulley Upgrade - 192mm - 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 Most Stage 2+ software tunes are compatible with this kit. Be sure to use the correct software for 192mm

Brand:
CTS - Corporate Logo
ES#:
4042975
Mfg#:
CTS-HW-266-192
Ships in 7 Business Days
ON SALE! SAVE 20%
$379.99

This product was last offered at the strikethrough price on
08-26-2026

$303.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Audi 3.0T Crank Pulley Upgrade Kit - 188mm

ES#4491703 - IEBAVJ7 - IE Audi 3.0T Crank Pulley Upgrade Kit - 188mm - Increases supercharger RPM by 26% when paired with IE 57.5mm overdrive supercharger pulley - Integrated Engineering - Audi

Increases supercharger RPM by 26% when paired with IE 57.5mm overdrive supercharger pulley Requires 57.5mm SC pulley and stage 2 dual pulley ECU tune

Brand:
Integrated Engineering - Corporate Logo
ES#:
4491703
Mfg#:
IEBAVJ7
Ships in 4 Business Days
ON SALE! SAVE 10%
$497.99

This product was last offered at the strikethrough price on
09-02-2026

$448.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Belt Idler Pulley

ES#2084806 - 06E903341H - Supercharger Belt Idler Pulley - Tracks the supercharger belt properly - Genuine Volkswagen Audi - Audi

Tracks the supercharger belt properly

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2084806
Mfg#:
06E903341H
In Stock
32% off MSRP

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

$139.99

This product was last offered at the strikethrough price on
06-07-2026

$94.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hex Head Bolt - Priced Each

ES#471534 - N91005902 - Hex Head Bolt - Priced Each - Secures crankshaft pulley to crank. M8x25 - Genuine Volkswagen Audi - Audi Volkswagen

Secures crankshaft pulley to crank. M8x25 8 required per engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471534
Mfg#:
N91005902
In Stock
20% 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

$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Pulley

ES#3514668 - 06E105251F - Crankshaft Pulley - Reduces vibrations and drives the accessory belt - URO - Audi Volkswagen

Reduces vibrations and drives the accessory belt 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3514668
Mfg#:
06E105251F
In Stock
$232.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE 3.0T Supercharger Pulley Upgrade (Press-Fit)

ES#4043186 - IEBAVJ1C - IE 3.0T Supercharger Pulley Upgrade (Press-Fit) - Increases charger RPM by 10% - Higher boost levels equals more power! - Integrated Engineering - Audi Porsche

Increases charger RPM by 10% - Higher boost levels equals more power!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4043186
Mfg#:
IEBAVJ1C
In Stock
ON SALE! SAVE 10%
$220.99

This product was last offered at the strikethrough price on
09-02-2026

$198.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JHM Automatic Belt Tensioner Conversion Kit

ES#4045874 - 079903133R-Kit - JHM Automatic Belt Tensioner Conversion Kit - Now there is FINALLY a better solution for replacing the OEM Alternator Belt tensioning setup. - JH Motorsports - Audi

Now there is FINALLY a better solution for replacing the OEM Alternator Belt tensioning setup.

Brand:
JH Motorsports - Corporate Logo
ES#:
4045874
Mfg#:
079903133R-KIT
Ships in 3 Business Days
$229.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Belt Tensioner

ES#4830563 - 06E903133M - Supercharger Belt Tensioner - Keep your supercharger belt tight - Bremmen Parts - Audi

Keep your supercharger belt tight 10X Entries Into Our F80 M3 Sweepstakes

From production date 7/12/2011

Brand:
Bremmen Parts - Corporate Logo
ES#:
4830563
Mfg#:
06E903133M
In Stock
ON SALE! SAVE 20%
$54.99

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

$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Harmonic Damper Crankshaft Pulley

ES#3234500 - 651211 - Harmonic Damper Crankshaft Pulley - Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability - Fluidampr - Audi

Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability

Brand:
Fluidampr - Corporate Logo
ES#:
3234500
Mfg#:
651211
In Stock at Vendor
$518.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

3.0 TFSI Supercharger Crank Pulley Upgrade - 190mm

ES#4005438 - 034-145-Z042 - 3.0 TFSI Supercharger Crank Pulley Upgrade - 190mm - Increase supercharger rotational speed to provide more boost to your engine - 034Motorsport - Audi

Increase supercharger rotational speed to provide more boost to your engine 2X Entries Into Our F80 M3 Sweepstakes
*To be used with Stage 2 software - Stage 2+ software necessary if used in conjunction with a supercharger pulley upgrade*

Brand:
034Motorsport - Corporate Logo
ES#:
4005438
Mfg#:
034-145-Z042
In Stock
ON SALE! SAVE 10%
$502.00

This product was last offered at the strikethrough price on
08-17-2026

$451.80 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#2746490 - 06E903137T - Accessory Belt - Replace your cracked or worn belt - Continental - Audi

Replace your cracked or worn belt We Price Match - Give Us A Call or Chat!
From the 2013 model year

Brand:
Continental - Corporate Logo
ES#:
2746490
Mfg#:
06E903137T
In Stock
$30.48

This product was last offered at the strikethrough price on
05-28-2026

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supercharger Belt Idler Pulley

ES#4830568 - 06E903341H - Supercharger Belt Idler Pulley - Tracks the supercharger belt properly - Bremmen Parts - Audi

Tracks the supercharger belt properly 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4830568
Mfg#:
06E903341H
In Stock
ON SALE! SAVE 21%
$52.99

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

$41.61 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt/Serpentine Belt Kit W/ Tensioners

ES#4699489 - 06m260849lKT - Accessory Belt/Serpentine Belt Kit W/ Tensioners - 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#:
4699489
Mfg#:
06M260849LKT
Ships in 1-2 days
$824.99

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

$817.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JHM HD Overdrive Lightweight Supercharger Crank Pulley (179mm)

ES#4045867 - 06E105251F-179mm - JHM HD Overdrive Lightweight Supercharger Crank Pulley (179mm) - Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly. - JH Motorsports - Audi Volkswagen Porsche

Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly. *To be used with 'Stage 2' software or software specific to a supercharger crank pulley upgrade*

Brand:
JH Motorsports - Corporate Logo
ES#:
4045867
Mfg#:
06E105251F-179MM
In Stock
$324.99 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.

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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