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Lennox

OEM Lennox Power Harness — 49W87

SKU: LNX-49W87 Brand: Lennox
$19.95 $29.95

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

The genuine OEM Lennox 49W87 power harness is the pre-terminated wiring assembly that carries line-voltage power between the major electrical components of your Lennox furnace or air handler. Built to exact factory specifications, it delivers clean, reliable connections with the correct gauge wire, connectors, and terminals your equipment was engineered to use.

Common failure symptoms include intermittent operation, a unit that won't power on, tripped breakers, burnt or melted connectors, and scorch marks near terminal blocks. Vibration, heat cycling, and age can loosen crimps or degrade insulation over time, creating resistance and dangerous hot spots.

Why OEM matters: Lennox harnesses use specific connector bodies, pin layouts, and wire ratings that generic replacements rarely match. Installing the factory 49W87 guarantees plug-and-play fitment, proper amperage handling, and safe, code-compliant connections — protecting your control board, blower, and other costly components from voltage faults. Insist on OEM to keep your Lennox system running as designed.

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 Wiring Harness fit my Lennox OEM Lennox Power Harness — 49W87?
Yes. This is the factory-specified OEM wiring harness for the Lennox OEM Lennox Power Harness — 49W87. 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 wiring harness on my Lennox OEM Lennox Power Harness — 49W87?
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 wiring harness?
Common symptoms: unusual noises, intermittent operation, complete failure, or visible damage. Visit our diagnostic hub for symptom-based troubleshooting.
Is this wiring harness 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 wiring harness?
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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