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 C4850C50AK03021...

IMAGE COMING SOON

Carrier

OEM Carrier Contactor C4850C50AK03021 for Model C4850C50AK03021

SKU: carrier-contactor-c4850c50ak03021 Brand: Carrier
$42.95

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 C4850C50AK03021 for Model C4850C50AK03021

This genuine OEM Carrier contactor (C4850C50AK03021) is the electrically operated switch that powers your compressor and condenser fan motor whenever the thermostat calls for cooling. Manufactured to factory specifications, it provides dependable line-voltage switching, resists contact wear and pitting, and corrects common faults such as a unit that hums, fails to start, or won't shut down. It is a direct-fit replacement for Carrier model C4850C50AK03021, matching the original coil voltage, amp rating, and pole layout so there is no need for rewiring or adapters. Installation is moderate in difficulty and generally takes 15-20 minutes for a trained technician: disconnect power, photograph existing connections, move each lead individually, then remount. We recommend a licensed HVAC professional handle all line-voltage repairs. Each unit is brand-new, never refurbished, and covered by our quality guarantee. Place your order before 3PM CST for same-day shipping so you can get cooling restored quickly. Choose NationalHVACParts.com for authentic Carrier parts and fast, reliable service.

Compatibility

This part is compatible with Carrier model C4850C50AK03021.

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 C4850C50AK03021?
Yes. This is the factory-specified OEM contactor for the Carrier Model C4850C50AK03021. 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 C4850C50AK03021?
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