The Whirlpool WPY312527 Idler Pulley Shaft provides stable support for the idler pulley and helps maintain proper drive system movement in the washer. This replacement shaft is positioned within the pulley assembly and allows the idler pulley to rotate smoothly while maintaining the required tension on the drive belt. Proper shaft operation supports consistent belt movement and helps ... https://www.partsmelange.ca/whirlpool-wpy312527-id-for-washer