This genuine Dometic 20 MFD capacitor is an essential electrical component for RV air conditioning systems, water heaters, and other appliances. If your Dometic unit is running intermittently, humming without starting, or not cooling properly, a failed capacitor is often the culprit. This replacement capacitor restores reliable performance to your RV's comfort systems.

• 20 microfarad (MFD) capacitance rating
• Wire terminal with 8mm stud connection for secure mounting
• OEM Dometic genuine part—exact fit replacement
• Compatible with multiple Dometic RV appliance models
• Direct replacement—no modifications needed
• Improves system startup and operational reliability

Specification	Details
Capacitance	20 MFD
Terminal Type	Wire Terminal
Stud Size	8mm
Part Number	290331027
Manufacturer	Dometic
Application	RV Air Conditioning, Water Heaters, Appliances

Frequently Asked Questions

Q: How do I know if my capacitor has failed?
A: Signs of capacitor failure include your AC or appliance not starting, a humming sound without the unit running, weak cooling performance, or the system shutting down unexpectedly. If you suspect failure, replacement is usually the best solution.

Q: Will this capacitor fit my specific Dometic model?
A: This is a genuine OEM Dometic part (290331027). To confirm compatibility with your exact RV model and appliance, verify the part number on your existing capacitor or contact our expert support team with your unit's model information.

Q: Is installation difficult?
A: Capacitor replacement typically requires disconnecting power, removing the old unit, and installing the new one with wire terminals and stud connection. If you're not comfortable working with electrical components, we recommend consulting a qualified RV technician.

Why Elkhart RV Parts

We specialize in hard-to-find Dometic RV replacement parts and ship directly from Elkhart, Indiana—the RV capital of the world. Every part is genuine OEM Dometic stock, backed by expert support to help you get your RV running smoothly again.