{"product_id":"carrier-py2ppb042090nb-capacitor-42kxl1","title":"OEM Carrier Single Run Capacitor for PY2PPB042090NB — P291-0403","description":"\u003ch1\u003eOEM Carrier Single Run Capacitor for Model PY2PPB042090NB\u003c\/h1\u003e\u003cp\u003eThis OEM single run capacitor is the factory-specified replacement for the \u003cstrong\u003eCarrier PY2PPB042090NB\u003c\/strong\u003e packaged heating and cooling unit. The run capacitor provides a continuous phase-shifted current to keep the condenser fan motor or compressor running efficiently at full speed. When a run capacitor fails, the motor it supports can hum without starting, run sluggishly, overheat, draw excess amperage, or cause the unit to short-cycle — all signs of imminent motor burnout if left unaddressed.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Single run capacitor | Factory OEM ratings matched to Carrier PY2PPB042090NB specification | Replaces OEM part numbers P291-0403 and P291-1503 | Round or oval case (per OEM spec) | ±3% tolerance for precise motor protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This listing is available in OEM (factory-original) or generic equivalent. OEM units match exact capacitance and voltage tolerances required by Carrier engineering. Generic alternatives may carry ±10% MFD tolerance — adequate for budget repairs but not recommended for premium equipment longevity.\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 (capacitance mode). Photograph all wiring connections before disconnecting the old unit. Installation typically takes under 30 minutes for an experienced technician.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty on OEM part. Same-day shipping available on in-stock orders placed before 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed and factory-matched for \u003cstrong\u003eCarrier model PY2PPB042090NB\u003c\/strong\u003e. Always verify the MFD and voltage rating printed on your existing capacitor's label or the unit's data plate before ordering. Cross-references OEM part numbers \u003cstrong\u003eP291-0403\u003c\/strong\u003e and \u003cstrong\u003eP291-1503\u003c\/strong\u003e. Have a question about fitment? Our HVAC parts specialists verify compatibility before every order ships.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640510271859,"sku":"CARRIE-PY2PPB042090NB-CAPACITOR-P291-0403","price":40.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640510304627,"sku":"CARRIE-PY2PPB042090NB-CAPACITOR-P291-0403-GEN","price":35.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-capacitor-P291-0403_ad76539e-ca8c-4000-b7cd-739e2c096a2d.jpg?v=1775039553","url":"https:\/\/nationalhvacparts.com\/products\/carrier-py2ppb042090nb-capacitor-42kxl1","provider":"National HVAC Parts","version":"1.0","type":"link"}