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BMW Alternator Belt Tensioners

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Idler Pulley for Water Pump / Alternator Belt

ES#3673362 - 5320293100 - Idler Pulley for Water Pump / Alternator Belt - Keep your alternator turning properly. - Ina - BMW

Keep your alternator turning properly. We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
3673362
Mfg#:
5320293100
Ships in 1-2 days
$32.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Hydraulic Tensioner

ES#21647 - 11281709613 - Accessory Belt Hydraulic Tensioner - Hydraulic tensioner for alternator, water pump and power steering belt, ideal for servicing high mileage tensioner - Genuine BMW - BMW

Hydraulic tensioner for alternator, water pump and power steering belt, ideal for servicing high mileage tensioner For vehicles with production date from 09/1997

Brand:
Genuine BMW - Corporate Logo
ES#:
21647
Mfg#:
11281709613
Ships in 1-2 days
6% off MSRP

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

$125.99

This product was last offered at the strikethrough price on
10-24-2026

$118.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - M8x50mm

ES#14587 - 07119904533 - Hex Bolt - M8x50mm - Worn hardware should be replaced before it fails - Genuine BMW - BMW MINI

Worn hardware should be replaced before it fails Secures the lower portion of the hydraulic alternator belt tensioner to the assembly

Brand:
Genuine BMW - Corporate Logo
ES#:
14587
Mfg#:
07119904533
In Stock
$4.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mechanical Alternator Belt Tensioner Assembly

ES#3673292 - 11281427252 - Mechanical Alternator Belt Tensioner Assembly - Tensions the belt connecting the water pump, alternator, and power steering pump. Includes roller. - Bremmen Parts - BMW

Tensions the belt connecting the water pump, alternator, and power steering pump. Includes roller. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
3673292
Mfg#:
11281427252
In Stock
ON SALE! SAVE 15%
$42.99

This product was last offered at the strikethrough price on
09-16-2026

$36.54 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 We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2696132
Mfg#:
11281717188
In Stock
$79.99

This product was last offered at the strikethrough price on
07-29-2026

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

Hydraulic Belt Tensioner

ES#5396255 - 11287835417 - Hydraulic Belt Tensioner - Hydraulic tensioner for water pump belt - does not include relay lever assembly - URO - BMW

Hydraulic tensioner for water pump belt - does not include relay lever assembly 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO - Corporate Logo
ES#:
5396255
Mfg#:
11287835417
In Stock
$120.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belt Tensioner Assembly

ES#2996870 - 11287515865 - Belt Tensioner Assembly - Includes tensioner & roller for accessory belt - URO - BMW

Includes tensioner & roller for accessory belt 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2996870
Mfg#:
11287515865
Ships in 1 Business Day
$99.99 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 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4164847
Mfg#:
11287838797K
Back Ordered
$82.99 USD
Free Shipping
on orders $49 and up

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

Brand:
Genuine BMW - Corporate Logo
ES#:
21813
Mfg#:
11287838797
Ships in 1-2 days
6% 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
10-24-2026

$286.99 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

Brand:
Genuine BMW - Corporate Logo
ES#:
21691
Mfg#:
11281748131
In Stock
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
10-24-2026

$78.99 USD
Free Shipping
on orders $49 and up
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

Brand:
Genuine BMW - Corporate Logo
ES#:
16139
Mfg#:
07129905534
In Stock
$4.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belt Tensioner Assembly

ES#21680 - 11281742858 - Belt Tensioner Assembly - Includes tensioner & roller for accessory belt - Genuine BMW - BMW

Includes tensioner & roller for accessory belt For vehicles with production date up to 08/1997

Brand:
Genuine BMW - Corporate Logo
ES#:
21680
Mfg#:
11281742858
Ships on Nov 18, 2026
3% off MSRP

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

$229.99

This product was last offered at the strikethrough price on
10-24-2026

$221.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner

ES#4613213 - 11281736857 - Accessory Belt Tensioner - Used for both the alternator and air conditioning belts - URO - BMW

Used for both the alternator and air conditioning belts 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 09/1997

Brand:
URO - Corporate Logo
ES#:
4613213
Mfg#:
11281736857
Ships in 1 Business Day
$250.99

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

$218.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Tensioner Assembly

ES#3450773 - 11287563927 - Accessory Belt Tensioner Assembly - This is the main belt tensioner for A/C, Alternator, and power steering. - URO - BMW

This is the main belt tensioner for A/C, Alternator, and power steering. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3450773
Mfg#:
11287563927
In Stock
$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Adjusting Bracket

ES#29432 - 12311714450 - Adjusting Bracket - Located on the alternator, used for adjusting belt tension - Genuine BMW - BMW

Located on the alternator, used for adjusting belt tension

Brand:
Genuine BMW - Corporate Logo
ES#:
29432
Mfg#:
12311714450
Ships in 1-2 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.

$44.99

This product was last offered at the strikethrough price on
10-24-2026

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

Drive Belt Pulley Cap

ES#4316566 - 11281727159 - Drive Belt Pulley Cap - Replace that missing protective cap and protect your belt tensioner bearing from debris. - URO - BMW

Replace that missing protective cap and protect your belt tensioner bearing from debris. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4316566
Mfg#:
11281727159
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Other BMW Alternator Belt Tensioners

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