Dayco 89363 Automatic Tensioner Assembly
$67.20
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Automatic Belt TensionerDesigned to maintain constant tension on serpentine belt drivesTo maintain the proper tension throughout the drive, an automatic, spring-loaded tensioner is incorporated into the drive system geometry.This reduces the risk of premature accessory bearing failure due to high tension when a new belt is installed.It also lessens the risk of belt squeal and slippage, or poor accessory performance caused by low tension after the belt begins to stretch and wear.
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