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Carrier

OEM Carrier Contactor CSA0300H1Y for Model CSA0300H1Y

SKU: carrier-contactor-csa0300h1y Brand: Carrier
$39.95

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

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OEM Carrier Contactor CSA0300H1Y for Model CSA0300H1Y

Keep your Carrier system switching cleanly with this genuine OEM contactor, the heavy-duty relay that closes the high-voltage circuit to the compressor and condenser fan whenever cooling is demanded. Engineered to factory specifications, it is fully compatible with Carrier model CSA0300H1Y, matching the original coil voltage, amperage rating, and mounting pattern for an exact drop-in fit. Worn or pitted contacts lead to buzzing, intermittent cooling, or a system that fails to start, and this OEM part eliminates those symptoms while protecting the compressor from damaging voltage drop. Installation is a moderate task: cut power at the disconnect, label and move each wire individually, then mount the new contactor and restore power. Most handy homeowners complete it in under thirty minutes, and it is a quick swap for any technician. Choosing OEM over a generic substitute ensures correct fit and long service life. Orders placed before 3PM CST ship the same business day, getting your home comfortable again without delay. Reach our parts team anytime to verify compatibility.

Compatibility

This part is compatible with Carrier model CSA0300H1Y.

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 CSA0300H1Y?
Yes. This is the factory-specified OEM contactor for the Carrier Model CSA0300H1Y. 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 CSA0300H1Y?
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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