Dometic 4450037547 Air Conditioner Fan Run Capacitor with Strap

The Dometic 4450037547 is a replacement fan run capacitor designed for use with Dometic rooftop air conditioning units commonly found in RVs, motorhomes, and travel trailers. The run capacitor provides the continuous phase-shift capacitance required to keep the fan motor running efficiently and smoothly after startup.

This capacitor includes an integrated mounting strap for secure installation, making it a direct OEM replacement that restores proper fan motor operation without modifications. A failing run capacitor is a common cause of fan motor humming, overheating, or failure to spin, making this an essential service part for maintaining reliable cooling performance.

Key Features:

• OEM Dometic replacement run capacitor for fan motor circuits
• Includes mounting strap for secure, vibration-resistant installation
• Direct replacement — no modifications required
• Restores proper fan motor operation and efficiency
• Compatible with select Dometic rooftop RV air conditioner units
• Manufacturer Part Number: 4450037547

Always verify compatibility with your specific Dometic unit model before installation. This capacitor is intended for the fan motor run circuit and should be replaced by a qualified technician if unfamiliar with capacitor discharge safety procedures.