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Dual Capacitor, 45+ 5 MFD, 440 volts

Brand Decal - Carrier

You need Contactor HN51KC024 if you're having trouble with the compressor or fan motor on your air conditioner, furnace, heat pump, or air handler. This genuine OEM single-pole, 24-volt coil contactor has a full load amps (FLA) rating of 30 amps and a locked rotor amps (LRA) rating of 150 amps.

Screw

Dual run capacitor round 440 V 35/5 uF

Capacitor Dual 40 + 5 mfd 440 volt Round

Single run capacitor 440V 7.5 mfd

Nut,lock

Screw-grille mounting

Grommet, sold individually

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

Dual run capacitor, 30+5 MFD 440 Volt Round

Transformer, 120V-24V 40VA

Grommet, motor mounting bracket. Sold as a single grommet but we suggest purchasing three since there are 3 holding the motor in place, and it’s a good practice to change all of them while the assembly is taken apart.

Brand decal
Bryant heat pumps are built on Carrier engineering — reliable, efficient heating and cooling in one system. When your Bryant heat pump stops heating, cooling, or cycles too often, the culprit is usually one of a handful of common parts. Run capacitors, contactors, and fan motors fail most often. Control boards and reversing valves follow close behind. The good news: most Bryant heat pump repairs are straightforward once you identify the failed part.
Enter your Bryant model number above to find the exact replacement parts for your unit. Repair Clinic stocks OEM parts that help ensure fit and function — not generic aftermarket parts. Heat pump repair is time-sensitive; we ship same-day to get you back online fast.
The run capacitor is the #1 Bryant heat pump part we ship. It's a cylindrical part stored in the outdoor unit that stores and releases electrical energy to start the compressor and condenser fan motor. When it fails — usually after 10 to 15 years — the compressor won't start, or it clicks repeatedly without engaging. A failed capacitor is a $20 to $40 fix that takes 10 minutes. Always test the capacitor before replacing the compressor.
Your Bryant model number is on a metal plate on the outdoor unit, usually near the top or side. It starts with 'K' or '025' (example: K25XA024). Write down the entire model number and any serial number visible. Bring a photo with you if needed. Your model number unlocks the exact parts list for your system — capacitor type, contactor voltage, control board version — all vary by model. That's why it's critical.
Yes — it's one of the easiest heat pump repairs. Turn off power at the breaker, use an insulated screwdriver to discharge the capacitor (touch both terminals simultaneously), disconnect the wire terminals, unscrew the old capacitor, and install the new one in reverse. Match the µF rating and voltage rating exactly. If you're not comfortable working with electrical parts, a technician takes 15 minutes and charges $75 to $150 in labor.
The reversing valve is likely stuck. This four-way valve switches refrigerant flow between heating and cooling cycles. When it sticks, heat mode may produce only cold air. A qualified technician can sometimes unstick it with a slight tap or heat, but replacement is more common. Bryant reversing valves are specific to your model and pressure rating — use your model number to order the correct one.


Ordering Bryant heat pump parts online is simple and helps you find genuine OEM parts for your unit. With same-day shipping on most in-stock items, you'll have your replacement part fast, minimizing downtime. Our model/part number lookup finds the exact OEM part for your unit, and every order is backed by our 365-day return policy and price-match guarantee. Browse our repair help section for troubleshooting tips, part testing guides, and step-by-step installation videos for your specific product.
Bryant heat pumps usually have the model number on a metal nameplate attached to the outdoor condenser, often near the top or on the side of the cabinet. If it is not visible there, check inside the service access panel, but shut off power before opening the panel. Copy the complete model number, keeping every letter and number in the correct order, and enter it in the model number search. The catalog will narrow to parts made for your entire Bryant heat pump, including electrical, mechanical, and sealed-system parts. Use the model number rather than the serial number, since the model identifies the unit and its compatible parts. That means fewer wrong orders and a faster repair.

Solid diagnostic work is what makes a Bryant 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.