Whirlpool 3977456 Push-to-Start Switch ? Dryer Start Control Ensure reliable dryer startup with the Whirlpool 3977456 Push-to-Start Switch. This genuine OEM part is specifically designed to activate the drying cycle by sending power to the motor when pressed. It's an essential component for restoring functionality to dryers experiencing start-up issues. Easy to install and built for durability, this switch helps maintain smooth operation of your appliance. Key Features: Genuine Whirlpool OEM replacement part Activates dryer cycle with a push-to-start mechanism Ensures dependable and safe operation Compatible with a range of Whirlpool dryers Durable construction for long service life Product Specifications: Length: 2.5 in / 6.35 cm Width: 2 in / 5.08 cm Height: 2 in / 5.08 cm Weight: Not Available Restore your dryer?s performance and reliability with this easy-to-install start switch replacement.