231577 - Washer -
$5.40
$6.75
Belt Tensioner for the ancillary (accessory) drive belt system. This automatic, self-adjusting tensioner maintains the correct tension on the drive belt that turns the engine-driven accessories, compensating continuously for belt stretch and wear through a spring-loaded pulley arm.
Fitted to the M47 2.0L 4-cylinder and M57 3.0L diesel engines.
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