The OEM Whirlpool Dryer Timer Knob is a genuine replacement part specifically designed for Whirlpool dryers. With the original part number 22001659 and model 7b, this timer knob is designed to fit and function just like the original one, ensuring that your dryer continues to operate smoothly and efficiently. Whether you are in need of a replacement due to wear and tear or a broken part, this Whirlpool timer knob is a reliable and high-quality option for your appliance.