The perfect addition to your VAC ATI Harmonic Damper Pulley when retaining your A/C system
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Update from a mechanical tensioner to a hydraulic style tensioner
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Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley
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Brand:
ES#:
21813
Mfg#:
11287838797
Ships in 3 Business Days
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$304.99
This product was last offered at the strikethrough price on 06-06-2026
Includes Accessory Belt System!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3521359
Mfg#:
UPPK-E36328AKT
Ships in 3 Business Days
ON SALE!
$603.99
This product was last offered at the strikethrough price on 05-02-2026
Hydraulic tensioner for alternator belt, ideal for servicing high mileage tensioner
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Brand:
ES#:
2696132
Mfg#:
11281717188
In Stock
$78.29
This product was last offered at the strikethrough price on 03-21-2026
Driven by serpentine accessory belt
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with production date up to 09/1995
Brand:
ES#:
55352
Mfg#:
32421722555
Ships in 3 Business Days
3% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$488.99
This product was last offered at the strikethrough price on 06-06-2026
Reduces vibrations and connects accessories
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with production date from 09/1998
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
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
21655
Mfg#:
11281717188
Ships in 2 Business Days
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 06-06-2026
Eliminate parasitic loss and free up to 11hp! An ideal compromise between power, reliability, and system performance.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For vehicles with Valeo alternator only
Brand:
ES#:
3027864
Mfg#:
PPK-E36328
Ships in 3 Business Days
ON SALE!
SAVE 20%
$374.99
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#:
2534799
Mfg#:
11281748131
In Stock
$14.83
This product was last offered at the strikethrough price on 04-06-2026
Seals the back side of the hydraulic alternator belt tensioner roller from debris
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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
