It is designed to help maintain tension on the dryer belt, which in turn allows the drum to rotate smoothly during operation. Will not start. Fit Models WED7800XB0, WED8100BW0, WED8500BC0, WED8500BR0, WED8600YW0, WED8600YW1, WED8800YC2, WED8800YW0, WED8900BC0.
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