{"product_id":"carrier-c4850c50ak03651-contactor-1k1tl0","title":"OEM Carrier 2-Pole Contactor 24V Coil for C4850C50AK03651 | National HVAC Parts","description":"\u003ch1\u003eOEM Carrier 2-Pole Contactor 24V Coil for Model C4850C50AK03651\u003c\/h1\u003e\u003cp\u003eThis OEM replacement contactor is the factory-specified high-voltage relay for the \u003cstrong\u003eCarrier C4850C50AK03651\u003c\/strong\u003e packaged unit. The contactor acts as the primary electrical switch that energizes the compressor and condenser fan motor when the thermostat calls for cooling. When the contactor fails — due to pitted contacts, a burned coil, or a stuck plunger — your system will either refuse to start entirely, run continuously without shutting off, or cycle erratically. Replacing a worn contactor promptly protects your compressor from damaging voltage irregularities.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 2-pole configuration | 24V AC coil voltage | Factory-rated amperage for compressor and condenser fan loads | OEM part numbers: HN53CB115, HN53HF122, HN53HG120\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM contactors use silver-alloy contact tips rated to factory arc-interrupt specs. Generic contactors frequently use lower-grade contacts that pit faster, shortening service life and risking compressor damage under heavy load cycling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Always disconnect power at the disconnect box and verify zero voltage with a multimeter before servicing. Tools needed: flathead and Phillips screwdrivers, 1\/4\" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removing the old contactor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 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 Engineered as a direct OEM replacement for the \u003cstrong\u003eCarrier C4850C50AK03651\u003c\/strong\u003e packaged unit. Cross-references OEM part numbers HN53CB115, HN53HF122, and HN53HG120. Verify coil voltage and pole configuration on your unit's data plate before ordering. Our HVAC parts specialists are available to confirm fitment — contact us before you buy for peace of mind.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909829349747,"sku":"CARRIE-C4850C50AK03651-CONTACTOR-HN53CB115","price":31.2,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909829382515,"sku":"CARRIE-C4850C50AK03651-CONTACTOR-HN53CB115-GEN","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-2pole-HN53CB115_94e54e0b-e184-4086-8380-11a1d797d873.jpg?v=1782897587","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c4850c50ak03651-contactor-1k1tl0","provider":"National HVAC Parts","version":"1.0","type":"link"}