{"product_id":"dometic-replacement-run-capacitor-40-mfd-440vac-rv-air-conditioner-part","title":"Dometic Replacement Run Capacitor 40MFD 440VAC - Part# 290330855","description":"\u003cp\u003eThis Dometic run capacitor is an essential replacement component for RV air conditioning systems, refrigerators, and other motorized appliances. If your Dometic unit is struggling to start, running inefficiently, or making unusual humming sounds, a failed capacitor is often the culprit. This genuine OEM part restores proper motor operation and system performance.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e40 microfarad (MFD) capacitance rating for precise motor operation\u003c\/li\u003e\n\u003cli\u003e440 VAC voltage rating suitable for high-demand RV applications\u003c\/li\u003e\n\u003cli\u003eGenuine OEM Dometic part ensures compatibility and reliability\u003c\/li\u003e\n\u003cli\u003eDirect replacement—no modifications needed\u003c\/li\u003e\n\u003cli\u003eCommonly used in air conditioning compressors and refrigeration units\u003c\/li\u003e\n\u003cli\u003eLong-lasting performance in RV environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"table table-bordered table-sm\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e290330855\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacitance\u003c\/td\u003e\n\u003ctd\u003e40 MFD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003e440 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eRun Capacitor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eDometic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if my capacitor has failed?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include the motor not starting, humming without running, reduced cooling performance, or the unit shutting down unexpectedly. A failed capacitor often has a bulged or leaking top.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use a different MFD rating?\u003c\/strong\u003e\u003cbr\u003eA: No. Using an incorrect capacitance rating can damage your motor or appliance. Always match the exact MFD and voltage specifications from your Dometic unit's documentation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this capacitor compatible with my RV model?\u003c\/strong\u003e\u003cbr\u003eA: This part fits Dometic air conditioning units, refrigerators, and other appliances that use 40MFD 440VAC run capacitors. Verify the part number on your existing capacitor or consult your Dometic manual to confirm compatibility.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose Elkhart RV Parts\u003c\/h3\u003e\n\u003cp\u003eWe 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 stock backed by expert support to help you get the right component the first time.\u003c\/p\u003e","brand":"Dometic","offers":[{"title":"Default Title","offer_id":48315524939928,"sku":"290330855","price":89.71,"currency_code":"USD","in_stock":true}],"url":"https:\/\/elkhartrvparts.com\/products\/dometic-replacement-run-capacitor-40-mfd-440vac-rv-air-conditioner-part","provider":"Elkhart RV Parts","version":"1.0","type":"link"}