{"product_id":"carrier-py4gnab36090na-capacitor-wl87z7","title":"OEM Carrier Dual Run Capacitor 45+5 MFD 440V — PY4GNAB36090NA","description":"\u003ch1\u003eOEM Carrier Dual Run Capacitor 45+5 MFD 440V for Model PY4GNAB36090NA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM factory-specified dual run capacitor (part number \u003cstrong\u003eP291-4554RS\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier PY4GNAB36090NA\u003c\/strong\u003e packaged unit. The dual run capacitor simultaneously powers both the compressor (HERM) and the condenser fan motor (FAN) from a single round can. When this capacitor weakens or fails, you'll typically experience symptoms such as a loud humming noise with no motor start, the system tripping on thermal overload shortly after startup, or the condenser fan spinning slowly or not at all — all signs of a capacitor that can no longer hold its rated charge.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 45+5 MFD (microfarad) | 440V rated | Round case | ±6% tolerance | 50\/60 Hz | AFC 10,000 | Castor oil protected | No-PCB construction | Height: 3-15\/16\" (4-1\/2\" with terminals) | Diameter: 2-7\/16\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM part meeting exact factory tolerances. Generic aftermarket capacitors commonly run ±10% MFD variance, which accelerates compressor and fan motor wear and can void equipment warranties. Note: Carrier sources capacitors from partner manufacturers — the label on the capacitor will reflect the component manufacturer's name, not Carrier's.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always discharge the capacitor fully before touching terminals. Tools needed: 1\/4\" nut driver, needle-nose pliers, multimeter (to verify capacitance before and after). Photograph all wiring connections before disconnecting. Match HERM, FAN, and COMMON terminals exactly to original wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty against defects. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003ePY4GNAB36090NA\u003c\/strong\u003e packaged unit. Also replaces legacy Carrier part numbers HC98KA046 and 319186-702. Verify MFD rating, voltage, and terminal configuration against your unit's data plate before ordering. Our fitment team is available to confirm compatibility before you buy — don't guess on a capacitor replacement.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640322314611,"sku":"CARRIE-PY4GNAB36090NA-CAPACITOR-P291-4554RS","price":32.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640322347379,"sku":"CARRIE-PY4GNAB36090NA-CAPACITOR-P291-4554RS-GEN","price":28.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-capacitor-P291-4554RS_6c34123a-074c-4c3a-8c9c-34997aa8de16.jpg?v=1775028729","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py4gnab36090na-capacitor-wl87z7","provider":"National HVAC Parts","version":"1.0","type":"link"}