The Airsource 4.75" 12V Single Shaft Blower Motor is a reliable and durable motor designed to withstand extreme conditions. This single speed blower motor has a voltage rating of 12V and features a 5/16" diameter threaded shaft and flange mount type. It is designed to provide reliable performance and is tested for durability. This motor is perfect for a variety of applications and is sure to provide reliable performance. FleetPride is your First Click in Heavy Duty®.