Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley
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Everything you need to service your belt drive system using genuine BMW components
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Replacement is recommend with every belt service
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Includes both belts, tensioners, and rollers
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Includes Accessory Belt System!
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Brand:
ES#:
3509738
Mfg#:
UPPK-S54KT
Ships in 7 Business Days
ON SALE!
SAVE 15%
$814.99
This product was last offered at the strikethrough price on 05-02-2026
Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises!
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Brand:
ES#:
3191638
Mfg#:
PPK-S54
Ships in 5 Business Days
ON SALE!
SAVE 25%
$409.99
This product was last offered at the strikethrough price on 05-02-2026
Remove and install OAD alternator pulleys
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Brand:
ES#:
11415
Mfg#:
BTA-13PCS
In Stock
ON SALE!
SAVE 30%
$78.99
This product was last offered at the strikethrough price on 05-02-2026
Complete tensioner assembly with roller
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Brand:
ES#:
4759474
Mfg#:
11281433571
In Stock
ON SALE!
SAVE 21%
$59.99
This product was last offered at the strikethrough price on 05-02-2026
Directs the accessory serpentine belt.
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Brand:
ES#:
4830650
Mfg#:
11288673720
Ships in 7 Business Days
ON SALE!
SAVE 10%
$27.99
This product was last offered at the strikethrough price on 05-02-2026
Drives the alternator, water pump, and power steering pump
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Hydraulic tensioner pulley for alternator/water pump belt, does not come with tensioner.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
21809
Mfg#:
11287838194
In Stock
10% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$250.99
This product was last offered at the strikethrough price on 06-04-2026
Finally, a durable water pump pulley that won't break!
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Brand:
ES#:
2992240
Mfg#:
002778ECS01
Ships on Oct 20, 2026
ON SALE!
SAVE 10%
$98.99
This product was last offered at the strikethrough price on 05-02-2026
Pulleys drive accessories essential to vehicle operation. Whether you need to install a stock original equipment pulley during a repair, or improve engine performance and appearance with a lightweight aluminum or underdrive pulley, count on ECS Tuning for pulley solutions that work.
Lifetime Replacement
