5933 Solenoid Starter – Universal Rotary Starter Solenoid5933 Solenoid Starter Universal Rotary Starter Solenoid The 5933 Solenoid Starter Universal Rotary is a reliable replacement starter solenoid designed for use in a wide range of small engine and outdoor power equipment applications. This universal rotary starter solenoid controls the electrical current from the battery to the starter motor, enabling dependable engine starting when the key is turned or the start button is engaged. Built for durability