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Carrier Air Conditioner Capacitor Parts

Find genuine OEM Carrier Air Conditioner Capacitor Parts for supported models. Find the right capacitor for your model to help the compressor or condenser fan motor start and run properly, then order with same-day shipping on in-stock parts and 365-day returns.

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Product is a manufacturer part
P291-0504 Run Capacitor
$6.05

Run Capacitor, Single, Oval, 370 Volts, 5 Microfarads

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Product is a manufacturer part
P291-1504 Run Capacitor
$7.98

Run capacitor, single, oval, 370 Volts, 15 microfarads

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OEM Carrier AC Capacitor Replacement Parts

A failing Carrier air conditioner capacitor can keep the compressor or condenser fan motor from starting, running, or reaching full speed. Repair Clinic carries genuine OEM Carrier AC capacitor parts, including run capacitors, dual run capacitors, and start capacitors for supported Carrier air conditioner and heat pump models.

Shop Carrier Run Capacitors, Dual Run Capacitors, and Start Capacitors

Carrier air conditioners may use different capacitor types depending on the unit model and electrical design. A run capacitor helps a motor operate after startup, a start capacitor gives a motor extra starting power, and a dual run capacitor can support both the compressor and fan motor in one part.

  • Carrier AC will not start: Check the run capacitor, dual run capacitor, start capacitor, contactor, control board, thermostat, and wiring.
  • Carrier condenser fan will not spin: Check the dual run capacitor, condenser fan motor, fan blade, contactor, and motor wiring.
  • Carrier AC hums but does not run: Check the capacitor, compressor, condenser fan motor, and contactor.
  • Carrier AC starts slowly or shuts off: Check the capacitor rating, motor condition, airflow, and electrical connections.
  • Carrier AC is not cooling well: Check the capacitor, fan motor, condenser coil, contactor, and compressor-related parts. Refrigerant and sealed-system repairs should be handled by a qualified HVAC technician.

Carrier AC Capacitor Size and Part Lookup

The safest way to find the right Carrier capacitor is to search by model number or OEM part number. Capacitors must match the correct microfarad rating, voltage rating, terminal style, and part type. If the capacitor size does not match your unit specifications, do not install it.

Find Carrier AC Capacitors by Model Number

Use your Carrier air conditioner model number to narrow the parts list to compatible capacitor parts. Popular lookup searches include Carrier capacitor replacement, Carrier AC capacitor size, Carrier dual run capacitor, Carrier run capacitor, and Carrier start capacitor.

FAQs About Carrier Air Conditioner Capacitor Replacement Parts

How do I find the right capacitor for my Carrier AC unit?

Use your Carrier air conditioner model number, OEM part number, or capacitor rating. The model number is usually the best starting point because it helps match the capacitor to the correct unit, motor, compressor, voltage, and electrical design.

What capacitor does a Carrier air conditioner use?

Carrier air conditioners may use a run capacitor, dual run capacitor, or start capacitor. The correct part depends on your full model number and the original capacitor specifications, including microfarads, voltage, and terminal layout.

How do I know if my Carrier AC capacitor needs replacement?

Common signs of a failing capacitor include an outdoor fan that will not spin, a compressor that hums but will not start, hard starting, short cycling, weak cooling, or a swollen capacitor case. A trained HVAC technician can test the capacitor with a meter.

Can I replace a Carrier AC capacitor myself?

Capacitors can store electrical charge even when power is off. Replacement should only be done with proper safety steps, correct tools, and the correct replacement rating. Contact a qualified HVAC technician if you are not trained to service AC equipment.

How do I match a Carrier dual run capacitor?

Match the OEM part number, microfarad rating, voltage rating, shape, terminal markings, and unit model number. A common example is a dual run capacitor with separate terminals for compressor, fan, and common connections.

Are Carrier run capacitors and start capacitors the same?

No. A run capacitor helps keep a motor running during operation, while a start capacitor gives a motor extra starting power. Use the capacitor type specified for your Carrier model.

How much does a Carrier AC capacitor cost?

Carrier AC capacitor prices vary by part type, rating, and model compatibility. Product listings show current price, stock status, part images, ratings, and available repair resources.

Can I look up a Carrier capacitor by serial number?

The model number is usually more useful than the serial number for capacitor lookup. A serial number may help confirm production details, but the model number and OEM part number are better for finding a compatible replacement.

Man kneeling next to a wall air conditioning unit, opening the front panel to troubleshoot the air conditioner's problem
HVAC professional assisting homeowner with removal of the central air conditioner's lid to replace a central air conditioner part from Repair Clinic

Order Carrier AC Capacitors Online

Repair Clinic makes it easy to order Carrier air conditioner capacitor parts online. Search by model number, part number, or capacitor type to find OEM Carrier run capacitors, dual run capacitors, and start capacitors. Product listings include photos, prices, stock status, capacitor ratings, and repair resources to help you choose the right part.

Carrier Air Conditioner Model Number: Where to Look

On Carrier air conditioners, the model number is typically printed on the equipment nameplate on the outdoor condenser cabinet, often near the service panel. Check the label carefully and copy the complete model number, including letters, numbers, and any hyphens. Enter it into the model number search to pull up the parts matched to your unit. Using the full model number narrows Repair Clinic's catalog to parts designed for your specific Carrier air conditioner, rather than relying on appearance or a partial number. It is the quickest way to be sure the part fits before you order.

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Carrier Air Conditioner Repair Videos and Written Guides

Solid diagnostic work is what makes a Carrier Air Conditioner repair go quickly, and Repair Clinic's online library was built for exactly that. Symptom articles, part testing videos, wiring diagrams, and step-by-step written guides give owners and technicians the reference material to isolate the failed part. Look up your model number to match the right OEM part, then follow the installation video.

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