Product Description 50599501, THERMOSTAT, DEFR TERM/FAN DELAY. Victory Genuine OEM replacement part. Victory has a 250,000 square foot facility and provides products that truly are "refrigeration at its best". Use genuine OEM parts for safety reliability and performance. From the Manufacturer 50599501, THERMOSTAT, DEFR TERM/FAN DELAY. Victory Genuine OEM replacement part. Victory has a 250,000 square foot facility and provides products that truly are "refrigeration at its best". Use genuine OEM parts for safety reliability and performance.