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OEM Carrier 45 MFD Run Capacitor for PG8UAA048135ABJA Package Unit
Carrier

OEM Carrier 45 MFD Run Capacitor for PG8UAA048135ABJA Package Unit

SKU: CARRIE-PG8UAA048135ABJA-CAPACITOR-P291-1003 Brand: Carrier
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OEM Carrier Run Capacitor for PG8UAA048135ABJA Package Unit

The run capacitor in your Carrier PG8UAA048135ABJA package unit gives the blower and condenser fan motors the phase shift they need to start and run efficiently. It stores and releases energy on every cycle to keep the motor windings turning smoothly. When a capacitor weakens or fails, you'll hear a hum from the motor that won't spin, the fan may need a push to start, the AC blows warm, the breaker trips, or the unit short-cycles on overload. A bulged or leaking can is a dead giveaway. This is a dual or single run capacitor rated in MFD (microfarads) at 370 or 440 VAC to match the motors in this package unit. OEM capacitors hold a tight ±5% tolerance, so a 45 MFD part actually delivers 42.75–47.25 MFD across its rated life — critical for keeping motor amperage and temperature in spec. OEM matters because capacitance is everything here. Generic aftermarket capacitors often ship with ±10–15% tolerance and lower-grade dielectric film. A capacitor reading low stresses the compressor and fan windings, raises operating temperature, and shortens motor life — a cheap part that quietly destroys an expensive one. Install difficulty: 2 of 5. Tools: 1/4" nut driver, insulated screwdriver, and a multimeter with capacitance mode to confirm the failed reading. SAFETY: a charged capacitor can deliver a dangerous shock — discharge it across the terminals with an insulated screwdriver before disconnecting any wires, and photograph the terminal markings (C/Fan/Herm) first. 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 PG8UAA048135ABJA. 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 PG8UAA048135ABJA Package Unit?
Yes. This is the factory-specified OEM capacitor for the Carrier PG8UAA048135ABJA Package Unit. 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 PG8UAA048135ABJA Package Unit?
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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