Dometic™ (Duo-Therm) 3313107.006 Air Conditioner Motor Run Capacitor 45/15 MFDDometic 3313107. 006 Air Conditioner Motor Run Capacitor 45 15 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. Compatible with: Dometic Penguin II Model 641916