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This is the factory-specified OEM single run capacitor (part number P291-1003) for the Carrier GB3AAV048095AGJA gas furnace. The run capacitor maintains the continuous phase shift needed to keep the blower motor running efficiently after startup. When this capacitor degrades or fails, you'll notice symptoms such as a humming blower motor that won't spin up, intermittent blower shutdowns, weak airflow, or a furnace that trips on high-limit lockout because the blower can't move enough air across the heat exchanger.
Compatibility: Engineered as a direct OEM replacement for the Carrier GB3AAV048095AGJA gas furnace blower motor circuit. Always verify the MFD and voltage rating on your existing capacitor's label or your unit's data plate before finalizing your order. Our parts specialists are available to confirm fitment — don't guess on a capacitor and risk damaging your blower motor. Order today and get your furnace back to full operation fast.