Same-day shipping before 3PM CST · 35,000+ OEM Parts · Texas CMBL & SAM.gov Registered · Government POs Accepted

Menu

Home Shop All Account Cart
OEM Carrier Single Run Capacitor P291-1503 for FC4BNB048008AAAA
Carrier

OEM Carrier Single Run Capacitor P291-1503 for FC4BNB048008AAAA

SKU: CARRIE-FC4BNB048008AAAA-CAPACITOR-P291-1503 Brand: Carrier

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier Single Run Capacitor P291-1503 for Model FC4BNB048008AAAA

This OEM single run capacitor (part number P291-1503) is the factory-specified replacement for the Carrier FC4BNB048008AAAA fan coil unit. A single run capacitor maintains a continuous phase-shifted current to keep a single motor — typically the blower or condenser fan — running efficiently after startup. When this capacitor degrades or fails, you'll notice symptoms such as a humming motor that won't spin, sluggish startup, intermittent shutoffs, or a complete loss of airflow. Replacing it promptly prevents cascading damage to the motor windings.

  • Specs: Single run capacitor | OEM part number P291-1503 | Factory-matched MFD and voltage rating | Round or oval case per OEM specification | ±5% tolerance for precision motor protection
  • OEM vs Generic: This is a genuine OEM Carrier capacitor, manufactured to exact factory tolerances. Aftermarket alternatives frequently ship with ±10% MFD variance, which accelerates motor wear, increases amp draw, and can void your equipment warranty.
  • Install Difficulty: 2/5 — Always disconnect power and fully discharge the capacitor before removing terminals. Tools needed: 1/4" nut driver, insulated needle-nose pliers, and a multimeter to confirm discharge. Photograph all wiring connections before removal to ensure correct reinstallation.
  • Warranty: Backed by a 1-year OEM factory warranty. Orders placed before our same-day cutoff ship directly from our stocked warehouse — no backorder delays.

Compatibility: Designed and tested for the Carrier FC4BNB048008AAAA fan coil unit. Always verify the MFD and voltage ratings printed on your original capacitor's label or the unit's data plate before ordering to confirm fitment. Our HVAC parts specialists are available to verify compatibility before you purchase — no guesswork required. In stock and ships today.

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 FC4BNB048008AAAA?
Yes. This is the factory-specified OEM capacitor for the Carrier FC4BNB048008AAAA. 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 FC4BNB048008AAAA?
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.
Home Shop Search Account Cart
Fitment Guaranteed
MR
Mike Rivera
HVAC Parts Specialist — Online