{"product_id":"carrier-gb3aav048115aeja-capacitor-42n3s0","title":"OEM Carrier Single Run Capacitor P291-1003 for GB3AAV048115AEJA","description":"\u003ch1\u003eOEM Carrier Single Run Capacitor P291-1003 for Model GB3AAV048115AEJA\u003c\/h1\u003e\u003cp\u003eThis is the factory-specified OEM single run capacitor (part number \u003cstrong\u003eP291-1003\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier GB3AAV048115AEJA\u003c\/strong\u003e packaged or split-system unit. A single run capacitor provides continuous electrical support to either the compressor or the fan motor during operation — keeping the motor running smoothly and efficiently at its rated speed. When this capacitor weakens or fails, common symptoms include a loud humming noise with no motor movement, the condenser fan spinning slowly or not at all, hard starting under load, or the system tripping on thermal overload and shutting down shortly after startup.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Single run capacitor | OEM part number P291-1003 | Factory-matched MFD and voltage rating | Round or oval case per OEM specification | ±5% tolerance for precise motor protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM unit is manufactured to Carrier's exact tolerances. Aftermarket single run capacitors frequently fall outside acceptable MFD ranges, causing premature motor wear, reduced efficiency, and shortened compressor or fan motor lifespan — costing far more in the long run.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Always discharge the capacitor fully before handling — stored charge can cause serious injury. Tools needed: insulated screwdriver, 1\/4\" nut driver, needle-nose pliers, and a multimeter to confirm discharge. Photograph all wiring connections before removal. Single run capacitors have two terminals; polarity must be observed on polarized types.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Backed by a 1-year OEM factory warranty against defects in materials and workmanship. Orders placed before cutoff ship the same business day from our climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed and factory-matched for the \u003cstrong\u003eCarrier GB3AAV048115AEJA\u003c\/strong\u003e. Always cross-reference the MFD and voltage rating printed on your existing capacitor's label or the unit's data plate before ordering to confirm an exact match. Our HVAC parts specialists are available to verify fitment — reach out before you order for complete peace of mind. \u003cstrong\u003eIn stock and ships today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909390487923,"sku":"CARRIE-GB3AAV048115AEJA-CAPACITOR-P291-1003","price":20.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909390520691,"sku":"CARRIE-GB3AAV048115AEJA-CAPACITOR-P291-1003-GEN","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-capacitor-round-single-P291-1003_fe4efccd-6eed-4616-897b-4ba86b9dba73.jpg?v=1782937010","url":"https:\/\/nationalhvacparts.com\/products\/carrier-gb3aav048115aeja-capacitor-42n3s0","provider":"National HVAC Parts","version":"1.0","type":"link"}