This General Electric WE12X27300 Dryer Belt Drive works by connecting the motor to the drum, allowing for the spin required to dry clothing effectively. It works by transferring power from the motor to the drum, resulting in regular and dependable movement throughout the drying process.The WE12X27300 belt drive is made of high-quality rubber or synthetic compounds and is designed to resist the rigors of daily use, minimizing wear and tear while increasing efficiency.