OEM Guaranteed
Same-Day Ship
30-Day Returns
Secure Checkout
This OEM replacement contactor is the factory-specified part for the Carrier C4850C50Z9075610 packaged unit. The contactor acts as the high-voltage relay that closes the circuit to your compressor and condenser fan motor when the thermostat calls for cooling. When it fails — whether due to pitted or burned contacts, a stuck plunger, or a failed coil — your system will hum without starting, refuse to power on at all, or run continuously even after the thermostat is satisfied. OEM part numbers covered: HN53CB115, HN53HF122, HN53HG120.
Compatibility: Engineered specifically for the Carrier C4850C50Z9075610 packaged unit. Cross-references OEM part numbers HN53CB115, HN53HF122, and HN53HG120 — confirm your existing contactor's pole count, coil voltage, and amperage rating against your unit's data plate before ordering. Our fitment team is available to verify compatibility before you buy. In stock and ready to ship today.