Whether your hub needs replaced, or you're looking out for the future of your engine, this motorsport-grade solution is engineered to eliminate slip and protect your engine.
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Everything you need to service your belt drive system using quality aftermarket components
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Brand:
ES#:
2593867
Mfg#:
11287837898KT1
Ships in 8 Business Days
ON SALE!
$267.00
This product was last offered at the strikethrough price on 05-02-2026
Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley
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Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems
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Hydraulic tensioner for water pump belt, just tensioner, does not come with relay lever assembly
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
21803
Mfg#:
11287835417
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.
$165.99
This product was last offered at the strikethrough price on 06-03-2026
Utilizes high quality components and our performance Kevlar reinforced belts
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Brand:
ES#:
4636449
Mfg#:
11287848605KBKT
Ships in 8 Business Days
$414.99
This product was last offered at the strikethrough price on 05-06-2026
Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
Everything you need to service your belt drive system using genuine BMW components
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with production date from 04/2008
Brand:
ES#:
2718483
Mfg#:
11287837898KT2
Ships in 1 day
$997.99
This product was last offered at the strikethrough price on 06-03-2026
Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Gains of up to 10hp on a stock M3!
Brand:
ES#:
3191638
Mfg#:
PPK-S54
Ships in 6 Business Days
ON SALE!
SAVE 25%
$409.99
This product was last offered at the strikethrough price on 05-02-2026
Includes Accessory Belt System!
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Brand:
ES#:
3509738
Mfg#:
UPPK-S54KT
Ships in 8 Business Days
ON SALE!
SAVE 15%
$814.99
This product was last offered at the strikethrough price on 05-02-2026
Includes both belts, tensioners, and rollers
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Replacement is recommend with every belt service
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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.
