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BMW M3 Engine Pulley Parts

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Drive Belt Tensioner Pulley - Water Pump/Alternator

ES#4820371 - 11287838194KT - Drive Belt Tensioner Pulley - Water Pump/Alternator - Replacement pulley for your accessory belt tensioner - Doesn not include the arm or hydraulic tensioner - Ina - BMW

Replacement pulley for your accessory belt tensioner - Doesn not include the arm or hydraulic tensioner 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#:
4820371
Mfg#:
11287838194KT
In Stock
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt

ES#2733921 - 11287848605 - Accessory Belt - Replaces your cracked or worn belt - Genuine BMW - BMW

Replaces your cracked or worn belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2733921
Mfg#:
11287848605
In Stock
14% off MSRP

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

$75.99

This product was last offered at the strikethrough price on
06-04-2026

$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Assembly

ES#21813 - 11287838797 - Hydraulic Alternator Belt Tensioner Assembly - Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley - Genuine BMW - BMW

Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
21813
Mfg#:
11287838797
Ships in 1 day
7% off MSRP

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

$304.99

This product was last offered at the strikethrough price on
06-04-2026

$284.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Kevlar Reinforced Accessory A/C Belt - E9X M3

ES#4315387 - 6DPK1105 - Performance Kevlar Reinforced Accessory A/C Belt - E9X M3 - Our Kevlar accessory Belts are a performance alternative to a traditional belt. Replaces BMW # 11287841529 - ECS - BMW
ECS Tuning recommends this product.

Our Kevlar accessory Belts are a performance alternative to a traditional belt. Replaces BMW # 11287841529 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with production date from 04/2008

Brand:
ECS - Corporate Logo
ES#:
4315387
Mfg#:
6DPK1105
In Stock
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner

ES#2696132 - 11281717188 - Hydraulic Alternator Belt Tensioner - Hydraulic tensioner for alternator belt, ideal for servicing high mileage tensioner - Ina - BMW

Hydraulic tensioner for alternator belt, ideal for servicing high mileage tensioner 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#:
2696132
Mfg#:
11281717188
In Stock
$78.29

This product was last offered at the strikethrough price on
03-21-2026

$56.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Belt Tensioner Conversion Kit

ES#4164847 - 11287838797K - Belt Tensioner Conversion Kit - Update from a mechanical tensioner to a hydraulic style tensioner - URO - BMW

Update from a mechanical tensioner to a hydraulic style tensioner 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#:
4164847
Mfg#:
11287838797K
In Stock
$82.99 USD
Free Shipping
on orders $49 and up

Performance Kevlar Reinforced Accessory Belt - F8X S55

ES#4661012 - 4PK685 - Performance Kevlar Reinforced Accessory Belt - F8X S55 - Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. - ECS - BMW
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#:
4661012
Mfg#:
4PK685
In Stock
$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Roller

ES#21691 - 11281748131 - Hydraulic Alternator Belt Tensioner Roller - Replacement is recommend with every belt service - Genuine BMW - BMW

Replacement is recommend with every belt service affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
21691
Mfg#:
11281748131
Ships in 1 day
4% off MSRP

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

$82.54

This product was last offered at the strikethrough price on
06-04-2026

$78.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Pulley Outer

ES#20517 - 11231722553 - Crankshaft Pulley Outer - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
20517
Mfg#:
11231722553
Ships in 7 Business Days
1% off MSRP

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

$472.99

This product was last offered at the strikethrough price on
06-04-2026

$469.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AFe Power Pulley

ES#2532824 - 79-10002 - AFe Power Pulley - Bolt-on performance in minutes! - AFE - BMW

Bolt-on performance in minutes! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with a production date from 05/2008+ & a counterclockwise rotating Power Steering Pump

Brand:
AFE - Corporate Logo
ES#:
2532824
Mfg#:
79-10002
Ships in 1 Business Day
20% off MSRP

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

$585.00

This product was last offered at the strikethrough price on
01-28-2026

$468.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Power Steering Pump Pulley

ES#55352 - 32421722555 - Power Steering Pump Pulley - Driven by serpentine accessory belt - Genuine BMW - BMW

Driven by serpentine accessory belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
55352
Mfg#:
32421722555
Ships in 1 day
3% off MSRP

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

$488.99

This product was last offered at the strikethrough price on
06-04-2026

$473.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fillister Head Screw - M10x25mm

ES#16139 - 07129905534 - Fillister Head Screw - M10x25mm - Secures roller to hydraulic alternator belt tensioner assembly - Genuine BMW - BMW

Secures roller to hydraulic alternator belt tensioner assembly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
16139
Mfg#:
07129905534
In Stock
$4.09

This product was last offered at the strikethrough price on
01-07-2026

$4.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport S54 Power Pulley Kit

ES#4316045 - PPK-S54-A-TKT8 - Turner Motorsport S54 Power Pulley Kit - Assembled By ECS - BMW

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

Brand:
Assembled By ECS - Corporate Logo
ES#:
4316045
Mfg#:
PPK-S54-A-TKT8
Ships on Jun 29, 2026
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ON SALE! SAVE 15%
$252.95

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

$215.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Underdrive Pulley Kit

ES#3149101 - D560-0004 - Underdrive Pulley Kit - Eliminate power-sucking, parasitic drag with no downside - +11HP/+7TQ - Dinan - BMW

Eliminate power-sucking, parasitic drag with no downside - +11HP/+7TQ 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!
For vehicles with a production date from 06/2008

Brand:
Dinan - Corporate Logo
ES#:
3149101
Mfg#:
D560-0004
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.

$483.99

This product was last offered at the strikethrough price on
06-04-2026

$429.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Pulley - 66mm

ES#29288 - 12311288238 - Alternator Pulley - 66mm - Includes washer - Genuine BMW - BMW

Includes washer affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
29288
Mfg#:
12311288238
Ships in 1 day
4% off MSRP

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

$109.99

This product was last offered at the strikethrough price on
06-04-2026

$105.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMW S55 Accessory Belt Kit

ES#3651489 - 11288088632KT - BMW S55 Accessory Belt Kit - Utilizes high quality aftermarket components - Assembled By ECS - BMW

Utilizes high quality aftermarket components affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3651489
Mfg#:
11288088632KT
Ships on Aug 6, 2026
$409.99

This product was last offered at the strikethrough price on
01-03-2026

$390.99 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 BMW

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Manufacturer names and/or part numbers are used only for identification purposes.

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