Same-day shipping before 3PM CST · 35,000+ OEM Parts · Texas CMBL & SAM.gov Registered · Government POs Accepted

Menu

Home Shop All Account Cart

IMAGE COMING SOON

Lennox

OEM Lennox Scroll Compressor 51,500 BTU R-410A 208/230V — 12Y46

SKU: LNX-12Y46 Brand: Lennox
$389.95 $529.95

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

The Lennox 12Y46 is a genuine OEM Interlink ABA051KAA scroll compressor rated at 51,500 BTU/h for 208/230V single-phase R-410A applications. Sized for larger-tonnage Lennox condensing units, it compresses and moves R-410A refrigerant to drive high-capacity cooling. This factory-authorized part matches the original's displacement, mounting, and electrical profile for a true drop-in replacement.

Common failure symptoms: Insufficient or no cooling despite an operating outdoor fan, a locked-rotor hum without startup, tripped breakers or blown fuses, loud grinding, knocking, or rattling from the outdoor unit, and short-cycling from the internal thermal overload. Terminal burnout and acidic oil indicate an electrical burnout.

Why OEM matters: High-capacity R-410A scroll compressors demand exact matching of tonnage, oil type, and voltage to the system design. Choosing the correct Lennox 12Y46 preserves rated efficiency, ensures compatible lubricant, and maintains warranty eligibility. Generic or mismatched compressors can undercut capacity, strain the electrical system, and dramatically shorten service life.

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 Compressor fit my Lennox OEM Lennox Scroll Compressor 51,500 BTU R-410A 208/230V — 12Y46?
Yes. This is the factory-specified OEM compressor for the Lennox OEM Lennox Scroll Compressor 51,500 BTU R-410A 208/230V — 12Y46. 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 compressor on my Lennox OEM Lennox Scroll Compressor 51,500 BTU R-410A 208/230V — 12Y46?
Refer to your equipment service manual for model-specific steps. General approach: turn off power, photograph connections, remove old part, install new part, restore power and test. For gas components, hire a licensed technician. Email info@nationalhvacparts.com for guidance.
What symptoms mean I need a new compressor?
Common symptoms: unusual noises, intermittent operation, complete failure, or visible damage. Visit our diagnostic hub for symptom-based troubleshooting.
Is this compressor compatible with Bryant or Payne too?
Many Lennox 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 Lennox compressor?
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
Fitment Guaranteed
MR
Mike Rivera
HVAC Parts Specialist — Online