Hydraulic tensioner for water pump belt, just tensioner, does not come with relay lever assembly
Brand:
ES#:
21803
Mfg#:
11287835417
3% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$193.99
This product was last offered at the strikethrough price on 09-02-2026
$187.99 USD
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Lifetime Replacement
Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems
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Brand:
ES#:
259465
Mfg#:
11287841228
$18.99 USD
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on orders $49 and up
Lifetime Replacement
Everything needed to service your drive belts
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
3136896
Mfg#:
11287838226KT1
$917.99
This product was last offered at the strikethrough price on 08-24-2026
$914.99 USD
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Lifetime Replacement
Utilizes Genuine BMW components
Brand:
ES#:
3658419
Mfg#:
11287549873KT
$263.99 USD
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on orders $49 and up
Lifetime Replacement
Replace a damaged tensioner to restore operation to your belt driven accessories
Brand:
ES#:
254045
Mfg#:
11287549873
3% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$179.99
This product was last offered at the strikethrough price on 09-02-2026
$173.99 USD
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Lifetime Replacement
Tensioner for the water pump, alternator and power steering belt. Does not include hydraulic tensioner.
Brand:
ES#:
21705
Mfg#:
11282248214
ON SALE!
$432.99
This product was last offered at the strikethrough price on 08-26-2026
$399.93 USD
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Lifetime Replacement
Replace a damaged tensioner to restore operation to your belt driven accessories
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
4830644
Mfg#:
11287549873
ON SALE!
SAVE 20%
$85.99
This product was last offered at the strikethrough price on 05-02-2026
$68.54 USD
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on orders $49 and up
Lifetime Replacement
Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
4818523
Mfg#:
11287841228
ON SALE!
SAVE 22%
$19.99
This product was last offered at the strikethrough price on 05-02-2026
$15.50 USD
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on orders $49 and up
Lifetime Replacement
Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises!
10X Entries Into Our F80 M3 Sweepstakes Adds up to 18 to 22 HP and 17 to 21 Ft/lbs torque on a stock M5 or M6!
Brand:
ES#:
3184457
Mfg#:
PPK-S85KT
ON SALE!
SAVE 25%
$449.99
This product was last offered at the strikethrough price on 06-13-2026
$337.49 USD
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Lifetime Replacement
Does not include hydraulic tensioner
We Price Match - Give Us A Call or Chat! For vehicles with production date from 09/1997
Brand:
ES#:
2628541
Mfg#:
11281407520
$60.99 USD
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Lifetime Replacement
Includes belt tensioner pulley & lever
Brand:
ES#:
21815
Mfg#:
11287839135
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 09-02-2026
$221.99 USD
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on orders $49 and up
Lifetime Replacement
Brand:
ES#:
4179607
Mfg#:
11287952899
ON SALE!
$185.99
This product was last offered at the strikethrough price on 08-26-2026
$171.31 USD
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on orders $49 and up
Lifetime Replacement
Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems
Brand:
ES#:
21817
Mfg#:
11287841228
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$123.34
This product was last offered at the strikethrough price on 09-02-2026
$113.39 USD
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Lifetime Replacement
Keep your air conditioning belt tight
Brand:
ES#:
21804
Mfg#:
11287835422
6% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$193.99
This product was last offered at the strikethrough price on 09-02-2026
$181.99 USD
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Lifetime Replacement
Hydraulic tensioner for alternator, water pump and power steering belt, ideal for servicing high mileage tensioner
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Brand:
ES#:
2628544
Mfg#:
11281709613
$40.99 USD
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on orders $49 and up
Lifetime Replacement
Includes accessory drive belt system overhaul kit
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
3521543
Mfg#:
UPPK-S85KT
ON SALE!
$1399.43 USD
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Lifetime Replacement
More About Engine Drive Belt Parts
Drive belts transfer crankshaft power to various accessories, including the alternator, water pump, power steering pump, and air conditioning compressor. Replacement of drive belts, serpentine belts, and drive belt tensioners at recommended service intervals helps you avoid untimely breakdowns and expensive vehicle repairs.