RepairClinic Item #1246110 | Whirlpool OEM Part #WPY312959
Dryer drum drive belt, 100 inches long, 3/8" wide,5 ribs 4 grooves. The drive belt wraps all the way around the dryer drum, around a tension pulley, and then around the drive motor pulley. If the drum will not turn when the dryer is turned on the belt is likely broken.
Order now and this item will ship out Monday
Make sure the belt is aligned on the high part of the drum. If it is riding in the groove it will rub on the idler pulley guide arm.