The Whirlpool WP8540101 Washer Belt Drive is an essential replacement component for your washing machine. It is a rubber belt that connects the motor to the washer's drum. The motor turns the drive belt, which spins the drum, agitating and cleaning your clothes. A worn or broken belt may cause the washer to stop spinning, spin slowly, or make loud noises during the spin cycle. Replacing the drive belt is a simple repair that can get your washer back to working order. By replacing a defective belt, By replacing a faulty belt, you can restore full functionality to your washer and ensure that your clothes are thoroughly cleaned again.