OEM Carrier Single Run Capacitor 4 MFD 370V for Payne PY3PEA060090AA Packaged Gas/Electric Unit

This is the factory-authorized OEM replacement single run capacitor for the Payne PY3PEA060090AA single-packaged gas heating/electric cooling unit — a 5-ton, 460V/3-phase, 90,000 BTU commercial-grade packaged rooftop system. Part number P291-0403 serves the condenser fan motor circuit, storing and releasing the electrical charge needed to start and sustain the motor on every cooling cycle. A companion capacitor, P291-2503 (25 MFD 370V), serves the compressor circuit on the same unit. When the run capacitor weakens or fails, you'll typically notice the condenser fan struggling to start, humming without spinning, overheating, or tripping the unit's high-pressure lockout — all leading to a no-cooling condition.

• Specs (P291-0403): 4 MFD (microfarad) | 370 VAC | Oval case | ±6% capacitance tolerance | 50/60 Hz | Replaces HC90AA004, HC91CA004, HC90AB004, 97F5704
• OEM vs Generic: Factory Authorized Parts (FAP) capacitors are manufactured to Carrier/Payne's exact tolerance spec and tested to 60,000 service hours. Generic units often run ±10% MFD variance, accelerating motor wear and risking compressor damage in a packaged commercial unit.
• Install Difficulty: 2/5 — Always discharge the capacitor before touching terminals. Tools required: 1/4" nut driver, needle-nose pliers, multimeter with capacitance function. Photograph all wiring before disconnecting. Verify voltage rating matches your unit's data plate.
• Warranty: 1-year OEM factory warranty. Ships same business day from our warehouse in original manufacturer packaging.

Compatibility: Designed for the Payne PY3PEA060090AA single-packaged gas heat/electric cooling unit (5-ton, 460V/3Ø/60Hz, 90,000 BTU heat). Also compatible with other Carrier/Bryant/Payne models specifying a 4 MFD 370V oval single run capacitor — always verify MFD and voltage ratings on your unit's data plate before ordering. Have a question about fitment? Our HVAC parts specialists verify compatibility before you buy — order today and receive same-day shipping.