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OEM Carrier Run Capacitor P291-3554RS for Model FA4BNC036005AAAA

SKU: carrier-run-capacitor-fa4bnc036005aaaa Brand: Carrier
$24.95

Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.

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OEM Carrier Run Capacitor P291-3554RS for Model FA4BNC036005AAAA

This OEM Carrier run capacitor (P291-3554RS) delivers the constant phase-shifting voltage that keeps the blower motor in your FA4BNC036005AAAA fan coil unit starting reliably and running at peak efficiency. As capacitors age they lose capacitance and fail, causing motor humming, hard starting, overheating, weak airflow, and ultimately motor damage, so replacing a worn unit protects your system and restores comfort. Made to exact factory microfarad and voltage ratings, this capacitor is a direct drop-in replacement that fits and wires just like the original for smooth operation. Installation is a moderate DIY task for anyone comfortable around electrical components: shut off power at the breaker, safely discharge the old capacitor, note the terminal wiring, and install the new one in minutes with basic tools. Prefer to leave electrical work to a pro? A licensed HVAC technician can swap it fast. Genuine OEM sourcing and our quality guarantee ensure quiet, dependable cooling. In stock and ships same-day on orders before 3PM CST.

Compatibility

This part is compatible with Carrier model FA4BNC036005AAAA.

Shipping

Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.

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 support@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Run Capacitor fit my Carrier Model FA4BNC036005AAAA?
Yes. This is the factory-specified OEM run capacitor for the Carrier Model FA4BNC036005AAAA. 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 run capacitor on my Carrier Model FA4BNC036005AAAA?
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 run 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 run 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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