{"product_id":"carrier-yac48110yac103at-capacitor-42kv1f","title":"OEM Carrier Single Run Capacitor for YAC48110YAC103AT","description":"\u003ch1\u003eOEM Carrier Single Run Capacitor for Model YAC48110YAC103AT\u003c\/h1\u003e\u003cp\u003eThis OEM single run capacitor is the factory-specified replacement for the \u003cstrong\u003eCarrier YAC48110YAC103AT\u003c\/strong\u003e packaged unit. A single run capacitor maintains a continuous phase-shifted current to keep the motor running at peak efficiency after startup. When this capacitor fails, you'll typically notice symptoms such as a humming unit that won't fully start, a compressor or fan motor that short-cycles within minutes, or a system that trips on high-pressure lockout due to a struggling motor. Replacing a worn or failed capacitor promptly prevents costly downstream damage to your compressor.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Numbers:\u003c\/strong\u003e P291-0753 | P291-4504 — both are factory-authorized replacements for the Carrier YAC48110YAC103AT; verify your unit's data plate for the exact MFD and voltage rating before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM capacitors are manufactured to exact factory tolerances (typically ±3% MFD), ensuring optimal motor performance and longevity. Generic alternatives often carry a ±10% tolerance, which can accelerate motor winding wear and shorten overall equipment life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power and discharge the capacitor fully before handling. Tools needed: 1\/4\" nut driver, insulated needle-nose pliers, and a multimeter capable of capacitance testing. Photograph all wiring connections before removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty \u0026amp; Shipping:\u003c\/strong\u003e Backed by a 1-year OEM factory warranty. In stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered for the \u003cstrong\u003eCarrier YAC48110YAC103AT\u003c\/strong\u003e packaged unit. Always cross-reference the MFD value and voltage rating printed on the original capacitor or the unit's data plate to confirm fitment. Need help verifying your part? Our HVAC specialists confirm fitment before you order — no guesswork.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640192323955,"sku":"CARRIE-YAC48110YAC103AT-CAPACITOR-P291-0753","price":52.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640192356723,"sku":"CARRIE-YAC48110YAC103AT-CAPACITOR-P291-0753-GEN","price":46.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-capacitor-P291-0753_0832251d-d802-44f7-a896-de42aaf841f9.jpg?v=1775039565","url":"https:\/\/nationalhvacparts.com\/products\/carrier-yac48110yac103at-capacitor-42kv1f","provider":"National HVAC Parts","version":"1.0","type":"link"}