Whirlpool WP21352320 Belt-Drive transfers motor power to the washer’s drive system for smooth and consistent operation. This replacement drive belt connects the washer motor to the appropriate pulley or transmission components, using the motor’s rotation to drive the washer mechanism during agitation and spin cycles. Proper belt tension and alignment help maintain efficient power transfer while reducing unnecessary slipping. A worn, stretched, cracked, or damaged belt may cause the washer to make unusual noises, fail to agitate or spin properly, or operate intermittently. Replacing a faulty belt can restore proper drive movement and support reliable cycle performance. Designed for compatible washer models, this practical component supports consistent mechanical operation and dependable everyday laundry cycles.