OEM Carrier Single Run Capacitor Kit 4 MFD + 15 MFD 370V for Model PY3PEA036090AA

This matched OEM single run capacitor kit contains both factory-specified capacitors for the Carrier PY3PEA036090AA packaged unit — one for the condenser fan motor (P291-0403, 4 MFD) and one for the compressor (P291-1503, 15 MFD). Unlike dual-run systems, this unit uses two discrete oval run capacitors, each tuned to its individual load. When either capacitor degrades, you may notice the system humming without starting, the compressor or fan motor running sluggishly, the unit short-cycling on high-pressure lockout, or tripped breakers from excessive inrush current. Replacing both as a kit at the same time is industry best practice — if one has failed, the other is typically near end-of-life as well.

• Specs — Fan Motor Capacitor (P291-0403): 4 MFD (µF) | 370V AC | Oval case | ±5% factory tolerance | Replaces OEM P/N P291-0403 / 97F5704
• Specs — Compressor Capacitor (P291-1503): 15 MFD (µF) | 370V AC | Oval case | ±5% factory tolerance | Replaces OEM P/N P291-1503 / 97F9004
• OEM vs Generic: These are genuine Carrier/Totaline-spec capacitors manufactured to exact factory tolerances. Generic aftermarket capacitors often run ±10% MFD drift, which accelerates motor winding wear, reduces compressor life, and can void equipment warranties. Always match MFD rating exactly — voltage may be equal or higher.
• Install difficulty: 2/5 — Disconnect power at the disconnect box and verify zero voltage with a multimeter before touching any terminals. Discharge capacitors using an insulated resistor or discharge tool. Tools needed: 1/4" nut driver, needle-nose pliers, multimeter. Photograph all wiring connections before removing old capacitors. Note wire colors and terminal labels (HERM, FAN, C/COM).
• Warranty: 1-year OEM factory warranty on both capacitors. Orders placed before 3 PM ship same business day from our warehouse.

Compatibility: This kit is engineered specifically for the Carrier PY3PEA036090AA 3-ton packaged unit. Verify MFD ratings and voltage on your unit's data plate before ordering — do not substitute a dual-run capacitor for these individual single-run units without verifying wiring compatibility. Have questions about fitment? Our HVAC parts specialists confirm compatibility before you order — no guesswork.