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BMW Alternator Belt Tensioner Rollers

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ES#21705 - 11282248214 - E39 M5 Accessory Belt Tensioner Pulley Assembly - Tensioner for the water pump, alternator and power steering belt. Does not include hydraulic tensioner. - Genuine BMW - BMW

Tensioner for the water pump, alternator and power steering belt. Does not include hydraulic tensioner. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
21705
Mfg#:
11282248214
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.

$446.99

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

$429.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3673362 - 5320293100 - Idler Pulley for Water Pump / Alternator Belt  - Keep your alternator turning properly. - Ina - BMW

Keep your alternator turning properly. 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#:
3673362
Mfg#:
5320293100
Ships in 1-3 days
$31.57 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#21711 - 11287500560 - Water Pump/Alternator Tensioner Pulley - Keep your alternator turning properly. - Genuine BMW - BMW

Keep your alternator turning properly. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
21711
Mfg#:
11287500560
Ships in 5 Business Days
7% off MSRP

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

$72.99

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

$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#21644 - 11281704500 - Water Pump/Alternator Tensioner Pulley - Replacement tensioner pulley for the water pump and alternator - Genuine BMW - BMW

Replacement tensioner pulley for the water pump and alternator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 08/1997

Brand:
Genuine BMW - Corporate Logo
ES#:
21644
Mfg#:
11281704500
Ships in 4 Business Days
7% off MSRP

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

$137.99

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

$128.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#21666 - 11281731220 - Idler Pulley - Runs on water pump and alternator belt - Genuine BMW - BMW

Runs on water pump and alternator belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 04/1997

Brand:
Genuine BMW - Corporate Logo
ES#:
21666
Mfg#:
11281731220
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.

$82.99

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

$79.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2158251 - 11281731220 - Idler Pulley - Runs on water pump and alternator belt - Ina - BMW

Runs on water pump and alternator belt 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#:
2158251
Mfg#:
11281731220
Ships in 1 Business Day
$58.37 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2534804 - 11281731838 - Water Pump/Alternator Tensioner Pulley - Keep your alternator turning properly. - URO - BMW

Keep your alternator turning properly. 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#:
2534804
Mfg#:
11281731838
Ships in 1 Business Day
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2866943 - 11281731838 - Water Pump/Alternator Tensioner Pulley - Keep your alternator turning properly - Febi - BMW

Keep your alternator turning properly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2866943
Mfg#:
11281731838
Ships on Sep 1, 2026
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2534803 - 11281731220 - Idler Pulley - Runs on water pump and alternator belt - URO - BMW

Runs on water pump and alternator belt 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#:
2534803
Mfg#:
11281731220
Ships in 1 Business Day
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3235023 - 11281731220 - Idler Pulley - Runs on water pump and alternator belt - Gates - BMW

Runs on water pump and alternator belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 04/1997

Brand:
Gates - Corporate Logo
ES#:
3235023
Mfg#:
11281731220
Ships on Jun 24, 2026
$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3215671 - 11281731838 - Water Pump/Alternator Tensioner Pulley - Keep your alternator turning properly. - Ina - BMW

Keep your alternator turning properly. 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#:
3215671
Mfg#:
11281731838
In Stock at Vendor
$41.38 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2159882 - 11287500560 - Water Pump/Alternator Tensioner Pulley - Keep your alternator turning properly. - Ruville - BMW

Keep your alternator turning properly. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Ruville - Corporate Logo
ES#:
2159882
Mfg#:
11287500560
Back Ordered
$38.99

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

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2813359 - 11281731220 - Idler Pulley - Runs on water pump and alternator belt - Hamburg Tech - BMW

Runs on water pump and alternator belt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 04/1997

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813359
Mfg#:
11281731220
Ships in 1 Business Day
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

For BMW owners seeking reliability and factory-spec performance, the OEM INA Accessory Belt Idler Pulley from ECS Tuning delivers unmatched value and durability. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission only with production date from 05/1999

Brand:
Ina - Corporate Logo
ES#:
4920273
Mfg#:
FP02931
Ships in 7 Business Days
$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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