{"product_id":"carrier-py3ppa030040aa-capacitor-42kxl1","title":"OEM Carrier Single Run Capacitor for PY3PPA030040AA Packaged Unit","description":"\u003ch1\u003eOEM Carrier Single Run Capacitor for Model PY3PPA030040AA Packaged Unit\u003c\/h1\u003e\u003cp\u003eThis OEM single run capacitor is the factory-specified replacement for the \u003cstrong\u003eCarrier PY3PPA030040AA\u003c\/strong\u003e WeatherMaker packaged unit. Single run capacitors maintain the continuous phase shift needed to keep either the condenser fan motor or blower motor running efficiently after startup. When a run capacitor fails, you'll notice symptoms such as a humming motor that won't spin, intermittent shutdowns due to thermal overload, or the unit struggling to reach setpoint before tripping on high pressure. Replacing with the correct OEM-spec capacitor restores proper motor torque and extends compressor life.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Numbers:\u003c\/strong\u003e \u003cstrong\u003eP291-0403\u003c\/strong\u003e and \u003cstrong\u003eP291-1503\u003c\/strong\u003e — two factory-designated single run capacitors for this model (condenser fan motor and blower motor circuits respectively). Verify your failed capacitor's MFD and voltage rating on the data plate before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM Carrier capacitors are manufactured to ±3% MFD tolerance, matching the exact factory specification. Generic replacements often carry ±10% tolerance, which accelerates motor winding wear, increases amp draw, and shortens overall equipment life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Always disconnect and lock out power before servicing. Discharge the capacitor fully using an insulated resistor or discharge tool before handling terminals. Tools needed: 1\/4\" nut driver, needle-nose pliers, multimeter (capacitance mode). 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. Orders placed before the daily cutoff ship same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the \u003cstrong\u003eCarrier PY3PPA030040AA\u003c\/strong\u003e packaged combination heating and cooling unit (2.5-ton cooling \/ 40,000 BTU heating). This listing covers both OEM part numbers P291-0403 and P291-1503 — both are single run capacitors for this platform. Always cross-reference the MFD rating and voltage printed on your existing capacitor's label to confirm the correct unit. Our HVAC parts specialists are available to verify fitment before you order — no guesswork required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640370188659,"sku":"CARRIE-PY3PPA030040AA-CAPACITOR-P291-0403","price":47.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640370221427,"sku":"CARRIE-PY3PPA030040AA-CAPACITOR-P291-0403-GEN","price":41.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-capacitor-P291-0403_d2a0c35a-407b-4d81-ac60-82543879f730.jpg?v=1775039558","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py3ppa030040aa-capacitor-42kxl1","provider":"National HVAC Parts","version":"1.0","type":"link"}