10802070 - Washer -
$7.37
$9.21
Drive Belt Tensioner for the 4.0L and 4.6L V8 petrol engines, part of the auxiliary (serpentine) belt drive.
The spring-loaded tensioner maintains correct tension on the auxiliary drive belt through an automatic pivoting arm and pulley, ensuring reliable drive to the engine accessories and compensating for belt stretch. A worn tensioner allows belt slip, squeal or premature belt wear.
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