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OEM Carrier 40+5 MFD Run Capacitor for PG8MAA060090AAJA Packaged Gas Furnace
Carrier

OEM Carrier 40+5 MFD Run Capacitor for PG8MAA060090AAJA Packaged Gas Furnace

SKU: CARRIE-PG8MAA060090AAJA-CAPACITOR-P291-1003 Brand: Carrier
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OEM Carrier Run Capacitor for PG8MAA060090AAJA Packaged Gas Furnace

The run capacitor in your Carrier PG8MAA060090AAJA packaged gas/electric unit supplies the constant phase shift that keeps the condenser fan motor and compressor turning smoothly. As it weakens or fails, you'll notice classic symptoms: a compressor that hums but won't start, a condenser fan that hesitates or spins slowly, hard-starting, breaker trips, warm air from the registers, or short-cycling on hot days. A swollen, domed, or leaking top is a dead giveaway that the capacitor is finished. This is a dual round run capacitor matched to the OEM microfarad (MFD/µF) and 370/440 VAC rating stamped on the factory original — typically a HERM + FAN dual value such as 40+5 MFD. Genuine Carrier capacitors hold a tight ±5% tolerance and are rated for roughly 10,000 hours at 70°C. Always confirm the exact MFD and voltage against the value printed on the old part before ordering. Capacitance accuracy matters here. A generic capacitor with ±10–15% tolerance — or one that drifts within a season — feeds the wrong phase angle to the motor windings, drawing excess amperage, overheating the compressor, and cutting its service life short. An off-spec fan value makes the condenser motor run hot. OEM Carrier units are tested to the original rating so each motor sees exactly the current it was engineered for. Install difficulty: 2/5. Tools: 1/4" nut driver, insulated needle-nose pliers, a multimeter with a capacitance setting, and a labeled photo of the wiring. #1 safety warning: a capacitor stores a lethal charge — always kill the breaker and discharge the terminals through an insulated resistor before touching any lead. 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 PG8MAA060090AAJA. 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.

Shipping Information

  • Orders placed before 3PM CST ship same business day
  • Standard delivery: 2-5 business days
  • Express shipping available at checkout
  • Free shipping on orders over $99
  • Tracking number emailed upon shipment

Return Policy

  • 30-day returns on unused parts in original packaging
  • Electrical parts (capacitors, contactors, control boards) are final sale once installed
  • Email info@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Capacitor fit my Carrier PG8MAA060090AAJA Packaged Gas Furnace?
Yes. This is the factory-specified OEM capacitor for the Carrier PG8MAA060090AAJA Packaged Gas Furnace. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.
How do I replace the capacitor on my Carrier PG8MAA060090AAJA Packaged Gas Furnace?
Difficulty: Easy (20–30 min)
Step 1: Turn off power at breaker. Step 2: Open condensing unit panel. Step 3: Photograph the old capacitor wiring (Common/Herm/Fan). Step 4: Discharge old capacitor with insulated screwdriver. Step 5: Disconnect and remove old capacitor. Step 6: Mount new capacitor, reconnect wires to matching terminals. Step 7: Close panel, restore power, test. Tools: screwdriver, needle-nose pliers.
My AC hums but won’t start. What part do I need?
An AC that hums but won’t start is the classic symptom of a failed capacitor. The capacitor provides the electrical boost to start the compressor. When it fails, you hear humming but the motor can’t overcome inertia. Other symptoms: fan spinning slowly, AC cycling on/off rapidly, or a visibly swollen capacitor. Fix: replace capacitor ($15–$80 DIY, 30 min).
Is this capacitor compatible with Bryant or Payne too?
Many Carrier parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.
Should I use OEM or aftermarket for my Carrier capacitor?
OEM strongly recommended. OEM capacitors have ±6% MFD tolerance vs aftermarket ±10%. The looser tolerance causes motor winding stress, higher temps, and shorter compressor life. Price difference is only $10–$20 — OEM is the clear value choice.
How fast does National HVAC Parts ship?
Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.
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