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This OEM contactor is the factory-specified high-voltage relay replacement for the Carrier C4850C48Z8105610 packaged unit. The contactor acts as the main electrical switch that allows 240V power to flow to the compressor and condenser fan motor when the thermostat calls for cooling. When a contactor fails — due to pitted or burned contacts, a stuck plunger, or a failed coil — the system will hum or fail to start entirely, leaving you with no cooling even when the thermostat is calling. Replaces OEM part numbers HN53CB115, HN53HF122, and HN53HG120.
Compatibility: Designed as a direct OEM replacement for the Carrier C4850C48Z8105610 packaged unit. This listing covers three verified OEM cross-reference part numbers — HN53CB115, HN53HF122, and HN53HG120 — ensuring you receive the correct factory-grade component. Always confirm pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Our team is available to verify fitment prior to purchase. Order now and receive same-day shipping on in-stock parts.