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OEM Carrier Single Run Capacitor P291-1003 for FC4BNF030005ABAA
Carrier

OEM Carrier Single Run Capacitor P291-1003 for FC4BNF030005ABAA

SKU: CARRIE-FC4BNF030005ABAA-CAPACITOR-P291-1003 Brand: Carrier

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Texas CMBL #19328542014
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OEM Carrier Single Run Capacitor P291-1003 for Model FC4BNF030005ABAA

This OEM single run capacitor (part number P291-1003) is the factory-specified replacement for the Carrier FC4BNF030005ABAA fan coil unit. Unlike dual run capacitors that support both the compressor and fan motor simultaneously, a single run capacitor is dedicated to one motor — in this case, the blower motor in your fan coil. When it fails, you'll notice symptoms such as a humming sound with no motor movement, intermittent blower operation, or a complete failure to start. Left unaddressed, a failing capacitor can overheat and damage the motor it supports, turning a low-cost repair into a costly replacement.

  • Specs: Single run capacitor | Factory OEM-matched MFD and voltage rating | Round or oval case (per original) | ±5% tolerance to protect motor windings and extend equipment life
  • OEM vs Generic: OEM capacitors like the P291-1003 are manufactured to exact Carrier factory tolerances. Generic alternatives frequently deviate ±10% or more in MFD rating, accelerating motor wear and potentially voiding equipment warranties.
  • Install Difficulty: 2/5 — Always shut off power at the disconnect and discharge the capacitor fully before handling. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring connections before removal to ensure correct reinstallation.
  • Warranty: 1-year OEM factory warranty against defects. Orders placed before cutoff ship the same business day from our stocked warehouse.

Compatibility: Designed specifically for the Carrier FC4BNF030005ABAA fan coil unit. Always verify the MFD and voltage rating on your existing capacitor's label or your unit's data plate before ordering to confirm fitment. Not sure if this is the right part? Our HVAC parts specialists verify compatibility before you buy — no guesswork required. Order today and get same-day shipping!

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 $75
  • 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 FC4BNF030005ABAA?
Yes. This is the factory-specified OEM capacitor for the Carrier FC4BNF030005ABAA. 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 FC4BNF030005ABAA?
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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Mike Rivera
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