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 P291-1003 for PF1MNC030005AAAA
Carrier

OEM Carrier Single Run Capacitor P291-1003 for PF1MNC030005AAAA

SKU: CARRIE-PF1MNC030005AAAA-CAPACITOR-P291-1003 Brand: Carrier
Guaranteed to fit PF1MNC030005AAAA — or your money back. Terms

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier Single Run Capacitor P291-1003 for Model PF1MNC030005AAAA

This is the genuine OEM single run capacitor (part number P291-1003) factory-specified for the Carrier PF1MNC030005AAAA fan coil and air handler system. A run capacitor maintains the steady phase shift needed to keep the motor spinning efficiently after startup. When it degrades or fails, you'll notice symptoms such as a loud hum with no motor movement, a compressor or fan that struggles to start, unexpected short-cycling, or a complete no-start condition — all of which can lead to costly secondary motor damage if left unaddressed.

  • Specs: Single run capacitor | OEM part number P291-1003 | Factory-matched capacitance and voltage rating | Designed to exact Carrier engineering tolerances (±3% or better)
  • OEM vs Generic: This is a genuine Carrier OEM component — not an aftermarket substitute. Generic capacitors frequently carry ±10% tolerance ratings, which stresses motor windings over time and can void equipment warranties. The OEM part ensures your system runs at peak efficiency and extends motor life.
  • Install Difficulty: 2/5 — Intermediate DIY or professional install. Always disconnect power at the breaker and discharge the capacitor fully before handling. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, and a multimeter. Photograph all wiring connections before removal.
  • Warranty: Backed by a 1-year OEM factory warranty. Orders placed before our same-day shipping cutoff ship the same business day from our stocked warehouse.

Compatibility: Engineered and specified for Carrier model PF1MNC030005AAAA. Always verify the capacitance (MFD) and voltage rating printed on your existing capacitor or system data plate before ordering to confirm a match. Our parts specialists are available to verify fitment — contact us before you order if you have any questions.

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 PF1MNC030005AAAA?
Yes. This is the factory-specified OEM capacitor for the Carrier PF1MNC030005AAAA. 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 PF1MNC030005AAAA?
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