Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.
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This genuine OEM Carrier contactor is the high-voltage switch that powers the compressor and condenser fan in your HA1AJX036000ABAA unit each time the thermostat calls for cooling. Pitted, burned, or chattering contacts are a frequent cause of hard starts, buzzing, and intermittent no-cool breakdowns. Rated to factory amperage and coil voltage, this contactor is a direct-fit replacement for the Carrier HA1AJX036000ABAA, matching the original pole configuration, terminal layout, and mounting footprint. Installation is a relatively easy task for a qualified technician — disconnect power, photograph the wiring, transfer each lead to the matching terminal, and secure the new unit. Always confirm power is fully off before servicing. Replacing a worn contactor with the correct OEM part prevents arcing, welded contacts, and the voltage drop that can damage the compressor, ending repeat service calls. Restore reliable, quiet starting to your system. In stock and ready to ship — orders placed before 3PM CST go out the same day so you're cooling again fast.
This part is compatible with Carrier model HA1AJX036000ABAA.
Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.