The Dometic run capacitor (Part #290331475) is an essential electrical component for RV air conditioning and refrigeration systems. This 35MFD 370V capacitor keeps your cooling system running smoothly by regulating power to the compressor motor. If your RV AC isn't cooling properly or the compressor won't start, a failed capacitor is often the culprit.
Key Features
- 35 microfarads (MFD) capacitance rating for reliable AC performance
- 370 volts maximum operating voltage
- Genuine OEM Dometic replacement part
- Direct fit for Dometic cooling systems
- Long-lasting construction built for RV duty cycles
- Easy installation with standard terminal connections
Technical Specifications
| Specification | Value |
|---|---|
| Capacitance | 35 MFD |
| Voltage Rating | 370V |
| Part Number | 290331475 |
| Manufacturer | Dometic |
| Application | RV Air Conditioning & Refrigeration |
Frequently Asked Questions
How do I know if my capacitor needs replacement?
Signs of a failing capacitor include: AC compressor won't start, weak cooling output, humming sounds from the AC unit, or the system cycling on and off repeatedly. A multimeter can confirm capacitor failure by testing capacitance against the 35MFD rating.
Can I install this capacitor myself?
Yes, capacitor replacement is a straightforward DIY task for most RV owners. Always disconnect power before working on electrical components. The capacitor terminals connect to standard connectors—simply remove the old unit and plug in the new one. Consult your system manual if unsure.
Will this fit my Dometic cooling system?
This 35MFD 370V capacitor is a genuine Dometic OEM part designed for their air conditioning and refrigeration systems. Verify your system uses a 35MFD 370V capacitor before ordering. Check your RV manual or the existing capacitor label for the correct specifications.
Why Elkhart RV Parts
We specialize in hard-to-find Dometic replacement parts that keep your RV running. Shipping directly from Elkhart, Indiana—the RV capital of the world. Every part is genuine OEM equipment backed by our expert support team. When you need the exact Dometic component, trust Elkhart RV Parts.
| Brand | Dometic |
|---|---|
| Product_type | Replacement Run Capacitor |
| Part_number | 290331475 |
| Capacitance_mfd | 35 |
| Voltage_rating | 370V |
| Application | Air Conditioning and Cooling Systems |
| Compatible_models | 13500 BTU15000 BTU |
| Compatible_brand | Dometic |
| Part_category | Service Parts |
| Part_status | OEM |
| Condition | New |
Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.