Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt.
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Updated hydraulic tensioner from BMW which replaced the older style mechanical tensioner
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Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems
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Replace that missing protective cap and protect your belt tensioner bearing from debris.
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Hydraulic tensioner for alternator belt, ideal for servicing high mileage tensioner
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Brand:
ES#:
21655
Mfg#:
11281717188
Ships in 1 day
7% 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 06-04-2026
Replacement is recommend with every belt service
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Brand:
ES#:
2534799
Mfg#:
11281748131
In Stock
$14.83
This product was last offered at the strikethrough price on 04-06-2026
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
