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OEM Carrier Replacement Contactor for Model CP50P550P503021CP

SKU: carrier-contactor-cp50p550p503021cp Brand: Carrier
$34.95

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

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OEM Carrier Replacement Contactor for Model CP50P550P503021CP

This OEM Carrier contactor is the genuine electromagnetic switch that delivers high-voltage power to your condensing unit's compressor and fan motor whenever your system calls for cooling. Made to factory specifications for Carrier model CP50P550P503021CP, it gives you an exact, direct-fit replacement with no rewiring needed. Burned, pitted, or welded contacts commonly cause an outdoor unit that buzzes without starting, or one that fails to disengage when the thermostat is satisfied. Installing a fresh contactor restores dependable contact closure and protects your compressor from chatter and voltage drop. This beginner-friendly repair takes roughly 15 to 20 minutes with basic hand tools — always disconnect power at the breaker before starting. Using genuine OEM hardware guarantees the proper amperage rating, coil voltage, and terminal layout for safe operation. This part is in stock and ships same-day on all orders placed before 3PM CST, getting your cooling system running again fast.

Compatibility

This part is compatible with Carrier model CP50P550P503021CP.

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 CP50P550P503021CP?
Yes. This is the factory-specified OEM contactor for the Carrier Model CP50P550P503021CP. 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 CP50P550P503021CP?
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.
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