OEM Carrier Blower Run Capacitor for Gas Furnace PY3PNA030040AA

This run capacitor provides the constant phase-shifted current that keeps your Carrier furnace's blower motor (and, on combination units, the condenser fan) spinning efficiently. A run capacitor stays in the circuit the entire time the motor runs, so when it weakens or fails you'll notice a blower that hums but won't start spinning, a motor that needs a hand-push to get going, overheating and thermal-overload tripping, higher energy bills, or a blower that cuts in and out. A bulged, swollen, or leaking can is a sure sign it's done. Capacitors are rated in microfarads (MFD/µF) and voltage — furnace blower motors typically use 370V or 440V units. You must match the MFD rating exactly and meet or exceed the voltage rating; verify both against the printed label on your old capacitor or the motor data plate. This is a genuine OEM-grade run capacitor held to a tight ±5% tolerance, the same as the factory part, so the motor sees the precise current it was engineered for. OEM matters here: generic capacitors are frequently sold at ±10–15% tolerance with lower temperature ratings. A capacitor even slightly off the correct MFD changes the motor's torque and makes it draw more current, which overheats and stresses the windings and dramatically shortens motor life — replacing a $20 cap with the wrong value can cost you a $200 motor. Install difficulty: 2/5. Tools: 1/4" nut driver, insulated screwdriver, and a multimeter (capacitance mode) to confirm the reading. SAFETY: a charged capacitor stores a dangerous voltage even with power off — kill power at the breaker first, then discharge it across the terminals with an insulated screwdriver before touching the leads. 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 PY3PNA030040AA. 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.