This genuine Dometic run capacitor is an essential electrical component for RV air conditioning units, water heaters, and other motorized appliances. If your AC compressor won't start, runs weakly, or hums without cycling, a failed capacitor is often the culprit. This 30MFD 370V replacement restores reliable operation to your Dometic cooling system.

Key Features

• 30 microfarad (MFD) capacitance rating for precise motor starting
• 370-volt rating handles standard RV electrical loads
• Genuine OEM Dometic part ensures exact fit and compatibility
• Direct replacement for original factory capacitor
• Commonly needed repair for older Dometic AC systems
• Quick installation—no special tools required

Technical Specifications

Specification	Details
Capacitance	30 MFD
Voltage Rating	370V
Part Number	290000087
Type	Run Capacitor
Manufacturer	Dometic

Frequently Asked Questions

How do I know if my capacitor has failed?

Common signs include: AC compressor hums but won't start, weak cooling output, frequent shutdowns, or a burning smell near the unit. A multimeter test can confirm if the capacitor is holding charge.

Can I install this capacitor myself?

Yes, but always disconnect power first and discharge the old capacitor safely using an insulated screwdriver. If you're uncomfortable working with electrical components, contact an RV technician.

Will this fit my specific Dometic model?

This 30MFD 370V capacitor is used in many Dometic AC and appliance systems. Verify your original part number matches 290000087, or contact our support team with your RV model for confirmation.

Why Choose Elkhart RV Parts

We specialize in hard-to-find Dometic replacement parts for RV owners who need exact OEM components. Shipping directly from Elkhart, Indiana—the RV capital of the world—we stock genuine Dometic parts and provide expert support to help you identify the right replacement. When your RV needs a specific part, we have it.