The Whirlpool Washer Control Board P4W Part # W10857313 Rev F is a main control board that comes with free shipping. It is designed specifically for Whirlpool washers, making it compatible with models that use the P4W set. This product includes the main control board needed for repair or replacement, ensuring that your washing machine continues to function efficiently. The control board is a crucial component for maintaining the overall performance of your appliance, making it a reliable choice for any home or garden setting.