OEM Carrier Run Capacitor for PG8MAA048070AAJA Furnace Blower Motor

The run capacitor stores and releases electrical energy to keep your blower motor — and on packaged units the condenser fan and compressor — spinning smoothly and efficiently after start-up. When it weakens or fails, you'll notice the blower humming but not turning, motors that get hot and trip the breaker, a buzzing or clicking from the control compartment, weak airflow, or a system that short-cycles and can't keep up. A bulged, domed, or leaking capacitor top is a sure sign it's done. This is a motor-run capacitor rated in microfarads (MFD/µF) at the voltage stamped on your original (commonly 370V or 440V). Genuine OEM units hold a tight ±5% tolerance and use a 10,000-hour, 105°C-rated dielectric to survive the hot cabinet of a packaged unit. Match the MFD rating and voltage to your old capacitor exactly before ordering. Capacitance is everything here. A generic capacitor with a ±10–15% tolerance can supply the wrong MFD, throwing the motor out of its designed phase angle — that stresses the windings, raises operating temperature, and dramatically shortens blower-motor and compressor life. The few dollars saved on an aftermarket cap routinely cost a far more expensive motor. OEM holds its rated MFD across its full service life. Install difficulty: 2/5. Tools: 1/4" nut driver, insulated screwdriver, and a multimeter (capacitance setting) to confirm the reading. SAFETY: a capacitor holds a lethal charge even with the power off — kill the breaker, then discharge the terminals through a 20k-ohm resistor (or carefully across the terminals with an insulated screwdriver) before touching. Photograph the wire positions before removal. Ships same business day from our stocked warehouse on orders placed before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.

Compatibility

This part is compatible with Carrier model PG8MAA048070AAJA. Always verify the part number against your unit's data plate before ordering.

Why Choose OEM?

OEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.

Shipping & Returns

Same-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.