Dometic™ Duo-Therm 3313107.018 Air Conditioner Motor Run Capacitor 50/5 MFDDometic 3313107. 018 Air Conditioner Motor Run Capacitor 50 5 MFD This is a Dometic Air Conditioner replacement 'Motor Run' capacitor. The capacitor sends a regular series of jolts to keep the motor running. Capacitors can sustain damage from excess power and will also wear down to the point where they can no longer hold a charge. Additional Info Dimensions: 2 1 2"Diam. x 4 3 8 Body Height: 3 7 8 Microfarad Rating: 50 5 Capacitor Voltage: 370V AC