OEM Carrier Dual Run Capacitor 45+5 MFD 440V for Model PY4GNAB42060NA

This is the factory-specified OEM dual run capacitor (part number P291-4554RS) for the Carrier PY4GNAB42060NA packaged unit. The dual run capacitor stores and releases the precise electrical charge needed to start and continuously run both the compressor and condenser fan motor. A failing capacitor is one of the most common causes of HVAC failure in the summer — symptoms include a humming unit that won't start, a compressor that short-cycles within minutes of starting, or a condenser fan that spins slowly or not at all. Replacing this part promptly prevents compressor burnout, which is a far more costly repair.

• Specs: 45+5 MFD (microfarad) | 370/440V dual-rated | Round case | 50/60 Hz | Factory-matched ±5% tolerance per IEC standards
• OEM vs Generic: This is a genuine Carrier OEM part (P291-4554RS). OEM capacitors are built to exact factory MFD tolerances, protecting your compressor and fan motor from accelerated wear. Generic units often deviate ±10% MFD, shortening component life and potentially voiding equipment warranties. Note: Carrier sources capacitors from approved third-party manufacturers — the label may reflect the capacitor manufacturer's name, not Carrier's.
• Install Difficulty: 2/5 — Capacitors store a lethal charge even when power is off. Always discharge the capacitor using an insulated resistor or discharge tool before touching terminals. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, and a multimeter to verify full discharge. Photograph all wiring connections before disconnecting the old unit.
• Warranty & Shipping: Backed by a 1-year OEM manufacturer warranty. In stock and ships same business day from our warehouse when ordered before the cutoff.

Compatibility: Designed as the direct OEM replacement for the Carrier PY4GNAB42060NA packaged unit. Always verify the MFD rating and voltage printed on your existing capacitor's data label before ordering — mismatched MFD values can damage motors. Also a direct replacement for Carrier part HC98KA046. Have a fitment question? Our HVAC parts specialists verify compatibility before you buy — contact us before placing your order.