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OEM Carrier Contactor 2-Pole 24V Coil for CA13NA03000GAAAA
Carrier

OEM Carrier Contactor 2-Pole 24V Coil for CA13NA03000GAAAA

SKU: CARRIE-CA13NA03000GAAAA-CONTACTOR-HN51KC024 Brand: Carrier

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier 2-Pole Contactor 24V Coil for Model CA13NA03000GAAAA

This is the factory OEM replacement contactor (part# HN51KC024) for the Carrier CA13NA03000GAAAA split-system air conditioner. The contactor is a high-voltage relay controlled by a low-voltage (24V) signal from your thermostat or control board. When the thermostat calls for cooling, the contactor closes to send line voltage to the compressor and condenser fan motor. A failed contactor is one of the most common reasons an air conditioner simply won't turn on — or conversely, won't shut off — and is one of the most cost-effective repairs available.

  • Specs: 2-pole configuration | 24V AC coil voltage | Factory-rated amperage for CA13NA03000GAAAA | Screw-terminal design for secure wiring connections
  • OEM vs Generic: This OEM Carrier contactor is manufactured to exact factory specifications for contact gap, coil pull-in voltage, and amperage rating. Generic contactors may use lower-grade contact materials that pit and burn faster, leading to premature failure and potential compressor damage.
  • Install difficulty: 2/5 — Always shut off power at the disconnect box and verify zero voltage with a multimeter before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Photograph all wiring connections before removing the old contactor to ensure correct reinstallation.
  • Warranty: 1-year OEM factory warranty. Orders placed by 3 PM ship the same business day from our warehouse.

Compatibility: Designed specifically for the Carrier CA13NA03000GAAAA split-system condenser. Always verify the OEM part number on your existing contactor or unit data plate before ordering. If you're unsure of fitment, our HVAC parts specialists are available to confirm compatibility before you buy. Order today and get back to cool faster.

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

Frequently Asked Questions

Does this Contactor fit my Carrier CA13NA03000GAAAA?
Yes. This is the factory-specified OEM contactor for the Carrier CA13NA03000GAAAA. 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 CA13NA03000GAAAA?
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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Mike Rivera
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