Same-day shipping on orders before 3PM CST · 15,000+ OEM Parts In Stock · Carrier · Bryant · ICP · Heil · Tempstar
Track Order | 1-800-NHP-HVAC | Trade Accounts

Menu

Home Shop All Account Cart
Home / OEM Carrier Contactor CP50P450P405521...

IMAGE COMING SOON

Carrier

OEM Carrier Contactor CP50P450P405521CP for Model CP50P450P405521CP

SKU: carrier-contactor-cp50p450p405521cp Brand: Carrier
$45.95

Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

OEM Carrier Contactor CP50P450P405521CP for Model CP50P450P405521CP

This genuine OEM Carrier contactor is the power-switching device that drives the compressor and condenser fan motor whenever your system calls for cooling. Manufactured to factory specification for Carrier model CP50P450P405521CP, it delivers the precise coil voltage and contact amperage rating your equipment was engineered for, ensuring reliable contact closure cycle after cycle. Generic contactors often chatter, pit, or weld shut, producing repeat no-cool service calls—this OEM part removes that risk and helps protect the compressor from harmful arcing. Because a failed contactor is among the most frequent reasons an outdoor unit won't energize, this replacement offers a quick and affordable return to dependable cooling. The repair is intermediate-level work for a qualified HVAC technician: shut off power at the disconnect, transfer the line, load, and coil leads one terminal at a time, and secure the new contactor, generally completing the job in 20 to 30 minutes. Verify power is off first. Order before 3PM CST and it ships the same business day from our US warehouse.

Compatibility

This part is compatible with Carrier model CP50P450P405521CP.

Shipping

Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.

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 support@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Contactor fit my Carrier Model CP50P450P405521CP?
Yes. This is the factory-specified OEM contactor for the Carrier Model CP50P450P405521CP. 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 contactor on my Carrier Model CP50P450P405521CP?
Difficulty: Medium (30–45 min)
Step 1: Turn off breaker. Step 2: Open condensing unit panel. Step 3: Photograph ALL wiring on the contactor. Step 4: Label each wire with tape. Step 5: Disconnect wires and remove old contactor. Step 6: Mount new contactor, reconnect wires matching your photo. Step 7: Restore power and test.
My AC clicks but the compressor won’t turn on. What’s wrong?
Clicking from the outdoor unit without the compressor starting = worn contactor. The contactor sends power to the compressor. When its contacts are pitted, it clicks but can’t make solid contact. Look for: visible pitting/burn marks on the contactor face, intermittent operation, or buzzing.
Is this contactor 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 contactor?
OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.
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