OEM Carrier Single Run Capacitor 15 MFD 370V for Model PY3PNA048090AA

This OEM Carrier single run capacitor is the factory-specified replacement for the Carrier PY3PNA048090AA packaged unit. Single run capacitors store and release the precise electrical charge required to start and sustain the compressor or condenser fan motor during each operating cycle. When a run capacitor fails, you'll typically notice a loud hum with no motor start, intermittent short-cycling, a tripped breaker, or the system shutting down within seconds of startup — all classic signs of capacitor degradation.

• Specs: 15 MFD (microfarad) | 370V rated | Oval case | Factory-matched ±5% tolerance | Replaces OEM part numbers P291-1503 and P291-0403 (successor parts P291-1504 / P291-0404)
• OEM vs Generic: OEM Carrier/Totaline capacitors are reliability-tested to 60,000 service hours and use high-grade metallized polypropylene film (5–12 microns thick). Generic capacitors often carry wider tolerance ranges that accelerate motor wear and reduce compressor lifespan.
• Install difficulty: 2/5 — Always discharge the capacitor fully before handling any terminals. Tools needed: 1/4" nut driver, needle-nose pliers, multimeter (capacitance mode). Photograph all wiring connections before disconnecting the old capacitor. Note: Carrier sources its capacitors from OEM manufacturers — the label on the capacitor body will reflect the original manufacturer's name, not Carrier.
• Warranty: 1-year OEM factory warranty. Orders placed before 3 PM ship same business day from our warehouse.

Compatibility: Designed for use in Carrier model PY3PNA048090AA packaged units. Always verify the MFD and voltage rating on your unit's data plate before ordering. Both P291-0403 (4 MFD 370V) and P291-1503 (15 MFD 370V) are OEM single run capacitors used in this platform — confirm which capacitor your unit requires before purchasing. Questions about fitment? Our HVAC parts team verifies compatibility before every order ships.