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Carrier

OEM Carrier Contactor C48A203512 for Model C48A203512

SKU: carrier-contactor-c48a203512 Brand: Carrier
$44.95

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

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OEM Carrier Contactor C48A203512 for Model C48A203512

This genuine OEM Carrier contactor (C48A203512) is the electrically operated switch that supplies line voltage to your compressor and outdoor fan motor on every cooling cycle. Produced to Carrier's exact factory standards, it provides reliable coil pull-in, clean contact engagement, and the correct current rating to keep your system cycling safely and consistently. It is a direct-fit replacement for Carrier model C48A203512, matching the factory terminal configuration and mounting footprint so the installation is straightforward. When a contactor wears out, you'll often notice a loud hum, chattering, arcing or pitted contacts, or an outdoor unit that fails to energize — installing a fresh one resolves those symptoms and restores normal operation. The job suits a confident DIYer or HVAC pro: turn off power at the disconnect, move wires one at a time to the matching terminals, and mount the new contactor, typically 15–20 minutes. Verify the line and coil voltage ratings match before powering up. Order by 3PM CST and your contactor ships the same day for fast service.

Compatibility

This part is compatible with Carrier model C48A203512.

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 C48A203512?
Yes. This is the factory-specified OEM contactor for the Carrier Model C48A203512. 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 C48A203512?
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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