The NEW OEM Speed Queen D510701 Washer Dryer Thermostat is a genuine replacement part for Speed Queen appliances. It is designed for built-in/ integrated installation and is suitable for vented dryers, spin dryers, stacked washer & dryer units, and combination washer/dryer systems. This multicolor metal thermostat is compatible with models D510701 and D515873, providing a reliable and efficient solution for maintaining the performance of your Speed Queen washer and dryer. This part is new in box and OEM. Feel free to request pictures of the original packaging. D510701 D515873 are interchangeable parts.