{"product_id":"carrier-contactor-c4850c50aj04021","title":"OEM Carrier Contactor for Model C4850C50AJ04021 Replacement Part","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Contactor for Model C4850C50AJ04021 Replacement Part\u003c\/h1\u003e\n\u003cp\u003eThis authentic OEM Carrier contactor is the electromechanical switch responsible for delivering power to your compressor and outdoor fan motor whenever cooling is required. Engineered for an exact fit on Carrier model C4850C50AJ04021, it provides the proper coil voltage, amperage rating, and terminal arrangement so your system starts cleanly and runs without electrical interruptions. Worn contactor contacts are a top cause of HVAC breakdowns, producing symptoms like a humming unit that won't engage, pitted or welded contacts, or a compressor that fails to shut off. Installation is a moderate do-it-yourself project: turn off power at the disconnect, take a photo of the wiring for reference, transfer leads to the matching terminals on the new contactor, and mount it firmly. Always confirm power is off before servicing. Genuine OEM parts mean dependable contacts and a coil engineered to last, unlike generic replacements. This contactor is in stock now — order before 3PM CST for same-day shipping. Keep your Carrier system cooling reliably and efficiently with the correct OEM replacement part.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model C4850C50AJ04021.\u003c\/p\u003e\n\u003ch2\u003eShipping\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping before 3 PM CST. 30-day returns on uninstalled parts.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"Default Title","offer_id":62967946412403,"sku":"carrier-contactor-c4850c50aj04021","price":49.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/carrier-contactor-c4850c50aj04021","provider":"National HVAC Parts","version":"1.0","type":"link"}