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BMW M3 Alternator Belt Tensioners

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Protection Ring

ES#21663 - 11281730532 - Protection Ring - Seals the back side of the hydraulic alternator belt tensioner roller from debris - Genuine BMW - BMW

Seals the back side of the hydraulic alternator belt tensioner roller from debris

Brand:
Genuine BMW - Corporate Logo
ES#:
21663
Mfg#:
11281730532
In Stock
$3.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Protective Cap For Belt Tensioner

ES#21660 - 11281727159 - Protective Cap For Belt Tensioner - Black plastic snap on cap - Genuine BMW - BMW

Black plastic snap on cap

Brand:
Genuine BMW - Corporate Logo
ES#:
21660
Mfg#:
11281727159
In Stock
$14.10 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Roller

ES#2776538 - 11281748131 - Hydraulic Alternator Belt Tensioner Roller - Replacement is recommend with every belt service - Vaico - BMW

Replacement is recommend with every belt service We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2776538
Mfg#:
11281748131
In Stock
ON SALE! SAVE 45%
$30.99

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

$17.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

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

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 2 Business Days
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

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

Hydraulic Alternator Belt Tensioner Roller

ES#2873663 - 11281748131 - Hydraulic Alternator Belt Tensioner Roller - Replacement is recommend with every belt service - Febi - BMW

Replacement is recommend with every belt service 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873663
Mfg#:
11281748131
Ships on Oct 16, 2026
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Roller

ES#4069663 - 11281748131 - Hydraulic Alternator Belt Tensioner Roller - Replacement is recommend with every belt service - Meyle - BMW

Replacement is recommend with every belt service 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4069663
Mfg#:
11281748131
Ships on Nov 30, 2026
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Roller

ES#2813365 - 11281748131 - Hydraulic Alternator Belt Tensioner Roller - Replacement is recommend with every belt service - Hamburg Tech - BMW

Replacement is recommend with every belt service We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813365
Mfg#:
11281748131
Ships in 2 Business Days
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Assembly

Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5480937
Mfg#:
11287838797
Ships on Sep 28, 2026
Auto Notify
$59.99 USD
This product is lifetime replacement eligible Lifetime Replacement

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