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 for PY2PPB042090NB — P291-0403
Carrier

OEM Carrier Single Run Capacitor for PY2PPB042090NB — P291-0403

SKU: CARRIE-PY2PPB042090NB-CAPACITOR-P291-0403 Brand: Carrier
✓ Guaranteed to fit P291-0403 — 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 for Model PY2PPB042090NB

This OEM single run capacitor is the factory-specified replacement for the Carrier PY2PPB042090NB packaged heating and cooling unit. The run capacitor provides a continuous phase-shifted current to keep the condenser fan motor or compressor running efficiently at full speed. When a run capacitor fails, the motor it supports can hum without starting, run sluggishly, overheat, draw excess amperage, or cause the unit to short-cycle — all signs of imminent motor burnout if left unaddressed.

  • Specs: Single run capacitor | Factory OEM ratings matched to Carrier PY2PPB042090NB specification | Replaces OEM part numbers P291-0403 and P291-1503 | Round or oval case (per OEM spec) | ±3% tolerance for precise motor protection
  • OEM vs Generic: This listing is available in OEM (factory-original) or generic equivalent. OEM units match exact capacitance and voltage tolerances required by Carrier engineering. Generic alternatives may carry ±10% MFD tolerance — adequate for budget repairs but not recommended for premium equipment longevity.
  • Install difficulty: 2/5 — Always discharge the capacitor fully before handling any terminals. Tools needed: 1/4" nut driver, needle-nose pliers, multimeter (capacitance mode). Photograph all wiring connections before disconnecting the old unit. Installation typically takes under 30 minutes for an experienced technician.
  • Warranty: 1-year OEM factory warranty on OEM part. Same-day shipping available on in-stock orders placed before 3 PM local time.

Compatibility: Designed and factory-matched for Carrier model PY2PPB042090NB. Always verify the MFD and voltage rating printed on your existing capacitor's label or the unit's data plate before ordering. Cross-references OEM part numbers P291-0403 and P291-1503. Have a question about fitment? Our HVAC parts specialists verify compatibility before every order ships.

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 PY2PPB042090NB — P291-0403?
Yes. This is the factory-specified OEM capacitor for the Carrier PY2PPB042090NB — P291-0403. 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 PY2PPB042090NB — P291-0403?
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