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BMW E46 323i M52 2.5L

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BMW E46 323i M52 2.5L Engine Pulley Parts

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Hex Bolt With Washer - M8x35mm

ES#14743 - 07119905533 - Hex Bolt With Washer - M8x35mm - Secures mechanical A/C and alternator belt tensioner to bracket - Genuine BMW - BMW MINI

Secures mechanical A/C and alternator belt tensioner to bracket

Brand:
Genuine BMW - Corporate Logo
ES#:
14743
Mfg#:
07119905533
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Idler Pulley

ES#2873680 - 11287841228 - Idler Pulley - Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems - Febi - BMW

Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873680
Mfg#:
11287841228
In Stock
ON SALE!
$48.99

This product was last offered at the strikethrough price on
07-14-2026

$47.52 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Protective Cap

ES#29427 - 12311713143 - Protective Cap - Protects the upper mounting bolt of the hydraulic alternator belt tensioner assembly from debris - Genuine BMW - BMW

Protects the upper mounting bolt of the hydraulic alternator belt tensioner assembly from debris

Brand:
Genuine BMW - Corporate Logo
ES#:
29427
Mfg#:
12311713143
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Drive Belt Tensioner with Pulley - A/C Compressor Belt

ES#2549761 - 11281433571 - Drive Belt Tensioner with Pulley - A/C Compressor Belt - Complete tensioner assembly - LUK - BMW

Complete tensioner assembly We Price Match - Give Us A Call or Chat!

Brand:
LUK - Corporate Logo
ES#:
2549761
Mfg#:
11281433571
Ships in 7 Business Days
$67.99

This product was last offered at the strikethrough price on
04-07-2026

$66.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner

ES#2813357 - 11281717188 - Hydraulic Alternator Belt Tensioner - Hydraulic tensioner for alternator belt, ideal for servicing high mileage tensioner - Hamburg Tech - BMW

Hydraulic tensioner for alternator belt, ideal for servicing high mileage tensioner We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813357
Mfg#:
11281717188
Ships in 1 Business Day
ON SALE!
$46.99

This product was last offered at the strikethrough price on
06-25-2026

$44.64 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belt tensioner pitman arm

ES#21658 - 11281726773 - Belt tensioner pitman arm - Provides a smooth tensioner movement - Genuine BMW - BMW

Provides a smooth tensioner movement

Brand:
Genuine BMW - Corporate Logo
ES#:
21658
Mfg#:
11281726773
Ships in 3 Business Days
2% off MSRP

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

$60.99

This product was last offered at the strikethrough price on
07-20-2026

$59.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sealing Washer - Priced Each

ES#20449 - 11231288660 - Sealing Washer - Priced Each - used in the belt drive - Genuine BMW - BMW

used in the belt drive

Brand:
Genuine BMW - Corporate Logo
ES#:
20449
Mfg#:
11231288660
Ships in 3 Business Days
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vibration Damper

ES#4151171 - 11231438995 - Vibration Damper - Reduces vibrations and connects accessories - Rein - BMW

Reduces vibrations and connects accessories 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4151171
Mfg#:
11231438995
Ships in 3 Business Days
$112.99 USD
Free Shipping
on orders $49 and up

Plastic Power Steering Pulley

ES#55371 - 32421740858 - Plastic Power Steering Pulley - Pulley only, pump not included - Genuine BMW - BMW

Pulley only, pump not included

Brand:
Genuine BMW - Corporate Logo
ES#:
55371
Mfg#:
32421740858
Ships in 3 Business Days
2% 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
07-20-2026

$107.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Tensioner Pully- New

ES#2813364 - 11281748130 - Tensioner Pully- New - Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems - Hamburg Tech - BMW

Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813364
Mfg#:
11281748130
Ships in 1 Business Day
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mechanical Alternator Belt Tensioner Assembly

ES#2187565 - 11281427252 - Mechanical Alternator Belt Tensioner Assembly - Tensions the belt connecting the water pump, alternator, and power steering pump. Includes roller. - URO - BMW

Tensions the belt connecting the water pump, alternator, and power steering pump. Includes roller. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2187565
Mfg#:
11281427252
Ships in 1 Business Day
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Deflection Pulley

ES#3676938 - V200209 - Deflection Pulley - Helps guide and keep tension on the belt. - Vaico - BMW

Helps guide and keep tension on the belt. We Price Match - Give Us A Call or Chat! For Vehicles With A Clockwise Power Steering Pump Only

Brand:
Vaico - Corporate Logo
ES#:
3676938
Mfg#:
V200209
Ships in 1 Business Day
$46.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mechanical A/C Belt Tensioner Assembly

ES#3235000 - 11281433571 - Mechanical A/C Belt Tensioner Assembly - Complete tensioner assembly with roller - Gates - BMW

Complete tensioner assembly with roller

Brand:
Gates - Corporate Logo
ES#:
3235000
Mfg#:
11281433571
Ships on Aug 7, 2026
$84.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Power Steering Pump Pulley

ES#5470335 - PKP0124 - Power Steering Pump Pulley - Upgrade Your Squeaking, Wobbly or Otherwise Damaged Power Steering Pump Pulley with this Aluminum Replacement from Rein - Rein - BMW

Upgrade Your Squeaking, Wobbly or Otherwise Damaged Power Steering Pump Pulley with this Aluminum Replacement from Rein 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5470335
Mfg#:
PKP0124
Back Ordered
$41.99 USD
Free Shipping
on orders $49 and up

Mechanical Alternator Belt Tensioner Assembly

ES#2866914 - 11281427252 - Mechanical Alternator Belt Tensioner Assembly - Tensions the belt connecting the water pump, alternator, and power steering pump. Includes roller. - Febi - BMW

Tensions the belt connecting the water pump, alternator, and power steering pump. Includes roller. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2866914
Mfg#:
11281427252
Ships on Oct 15, 2026
$78.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner

ES#2575507 - 11281717188 - Hydraulic Alternator Belt Tensioner - Hydraulic tensioner for alternator belt, ideal for servicing high mileage tensioner - Ruville - BMW

Hydraulic tensioner for alternator belt, ideal for servicing high mileage tensioner

Brand:
Ruville - Corporate Logo
ES#:
2575507
Mfg#:
11281717188
Back Ordered
$81.99

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

$78.99 USD
Free Shipping
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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Manufacturer names and/or part numbers are used only for identification purposes.

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