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This OEM single run capacitor (part number P291-1003) is the factory-specified replacement for the Carrier PY1PEA060100AEBA packaged unit. The run capacitor maintains the continuous electrical phase shift required to keep the blower or condenser fan motor spinning efficiently after startup. When this capacitor degrades or fails, you'll typically notice the motor humming without turning, the unit short-cycling, reduced airflow, or a complete no-start condition — all signs that the capacitor can no longer hold its rated charge.
Compatibility: Designed for use in the Carrier PY1PEA060100AEBA packaged unit. Always cross-reference the MFD and voltage rating printed on your existing capacitor's label to confirm fitment. Note: P291-1003 has been superseded by P291-1004 — both are 10 MFD 370/440V oval run capacitors with identical specifications. Questions about fitment? Our HVAC parts specialists verify compatibility before you order — no guesswork required.