{"product_id":"carrier-py4gnab42060aa-capacitor-wl87z7","title":"OEM Carrier Dual Run Capacitor 45+5 MFD 440V for PY4GNAB42060AA","description":"\u003ch1\u003eOEM Carrier Dual Run Capacitor 45+5 MFD 440V for Model PY4GNAB42060AA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM dual run capacitor (part number \u003cstrong\u003eP291-4554RS\u003c\/strong\u003e) factory-specified for the \u003cstrong\u003eCarrier PY4GNAB42060AA\u003c\/strong\u003e split-system air conditioner. The dual run capacitor serves a critical role in your system — it simultaneously powers both the compressor and the condenser fan motor, providing the starting torque and continuous run support each needs to operate. When this capacitor begins to fail, common symptoms include an audible hum with no motor movement, the compressor short-cycling within minutes of startup, the condenser fan spinning sluggishly or not at all, or the entire outdoor unit failing to respond to a cooling call. Left unaddressed, a weak capacitor will stress the compressor and shorten its life significantly.\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 | 10,000 AFC | Castor oil protected | No-PCB construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM part built to exact factory specifications. Generic capacitors often carry a ±10% MFD tolerance vs. the OEM ±6%, which causes motor inefficiency, increased heat, and premature compressor wear over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always discharge the capacitor fully before handling any terminals. Tools needed: 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before disconnecting. If you are unsure, consult a licensed HVAC technician.\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 Verified fit for Carrier model \u003cstrong\u003ePY4GNAB42060AA\u003c\/strong\u003e. Also replaces legacy Carrier part numbers HC98KA046 and 319186-702. Confirm the MFD rating and voltage on your unit's data plate before ordering. Our team is happy to verify fitment — just reach out before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640322052467,"sku":"CARRIE-PY4GNAB42060AA-CAPACITOR-P291-4554RS","price":32.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640322085235,"sku":"CARRIE-PY4GNAB42060AA-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_978b28a8-7a56-4784-8623-d817356fa0b4.jpg?v=1775028712","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py4gnab42060aa-capacitor-wl87z7","provider":"National HVAC Parts","version":"1.0","type":"link"}