Everything you need to service your belt drive system using quality aftermarket components
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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
Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems
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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 We Price Match - Give Us A Call or Chat!
Replacement is recommend with every belt service
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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
Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Replaces BMW # 11287837898
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Finally, a durable water pump pulley that won't break!
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Brand:
ES#:
2992240
Mfg#:
002778ECS01
Ships on Oct 21, 2026
ON SALE!
SAVE 10%
$98.99
This product was last offered at the strikethrough price on 05-02-2026
Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems
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Brand:
ES#:
21817
Mfg#:
11287841228
Ships in 1-2 days
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 06-06-2026
Runs on water pump and alternator belt, used on both mechanical and hydraulic tensioner systems
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4818523
Mfg#:
11287841228
In Stock
ON SALE!
SAVE 22%
$19.99
This product was last offered at the strikethrough price on 05-02-2026
Replacement is recommend with every belt service
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Brand:
ES#:
4818522
Mfg#:
11281748131
In Stock
ON SALE!
SAVE 19%
$18.99
This product was last offered at the strikethrough price on 05-02-2026
Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Replaces BMW # 11287830946
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
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
