OEM Carrier Single Run Capacitor P291-1003 for Model PG8JAA042090ADJA

This OEM single run capacitor (part number P291-1003) is the factory-specified replacement for the Carrier PG8JAA042090ADJA packaged gas unit. The run capacitor maintains a continuous phase-shifted current to the blower or condenser fan motor, keeping it spinning efficiently at full torque after startup. When the capacitor degrades or fails, you'll notice symptoms like a humming motor that won't turn over, a fan that spins slowly or only when manually assisted, or a unit that trips on high-limit and short-cycles due to reduced airflow caused by an underperforming blower motor.

• Specs: Single run capacitor | Factory-matched MFD and voltage rating | Cylindrical case | OEM-grade ±5% tolerance for precise motor protection
• OEM vs Generic: This is a genuine Carrier OEM part (P291-1003), manufactured to exact factory specifications. Generic capacitors often carry a wider ±10% MFD tolerance, which can reduce motor efficiency, increase heat buildup, and shorten motor life over time.
• Install Difficulty: 2/5 — A straightforward replacement suitable for experienced DIYers and technicians alike. Always discharge the capacitor fully before handling. Tools needed: 1/4" nut driver, insulated needle-nose pliers, multimeter (capacitance mode). Photograph all wiring connections before disconnecting terminals.
• Warranty: Backed by a 1-year OEM factory warranty. Orders placed before cutoff ship the same business day from our stocked warehouse.

Compatibility: Engineered specifically for the Carrier PG8JAA042090ADJA packaged gas unit. Before ordering, verify the MFD and voltage ratings printed on your existing capacitor against the data plate on your unit to confirm an exact match. Our HVAC parts specialists are available to verify fitment before you order — order with confidence and get your system back up and running fast.