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This genuine OEM Carrier contactor (model C4850C50ZT105110) is the electromagnetic switch responsible for sending high-voltage power to your compressor and condenser fan motor whenever the thermostat calls for cooling. Made to precise Carrier specifications, it ensures clean contact closure and strong arc resistance, helping prevent the pitting, chatter, and contact welding that cause aftermarket parts to fail prematurely. It installs as a direct-fit replacement for Carrier model C4850C50ZT105110, with no rewiring or modification needed. For a qualified HVAC technician the swap is quick: cut power at the disconnect, photograph the wiring for reference, transfer each lead to the matching terminal, and remount—usually 15 to 20 minutes start to finish. Since a worn contactor is one of the most frequent causes of a unit that buzzes but won't engage, replacing it restores dependable performance right away. Order before 3PM CST for same-day shipping. Trust the genuine Carrier part engineered for your system rather than risking a universal aftermarket guess.
This part is compatible with Carrier model C4850C50ZT105110.
Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.