The Whirlpool WP6-3037050 Idler Pulley for Dryer helps maintain proper tension on the dryer drum belt for smooth operation. This replacement pulley works with the drive belt and motor system, applying tension to keep the belt properly positioned as the drum rotates during drying cycles. A properly functioning idler pulley supports steady belt movement and helps reduce slipping, excess... https://www.partsmelange.ca/whirlpool-wp6-3037050-idler-pulley-for-dryer