{"product_id":"oem-lennox-fan-motor-51h75","title":"OEM Lennox Fan Motor — 51H75","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e51H75\u003c\/strong\u003e fan motor drives the fan that moves air across your system's coil, a core component for proper heat exchange and airflow. Built to Lennox factory specifications for horsepower, RPM, voltage, and rotation, this motor delivers the exact performance your unit was engineered around for dependable, quiet operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e A worn or failing \u003cstrong\u003e51H75\u003c\/strong\u003e may run hot, hum or buzz without spinning, spin slowly, or stop entirely. Watch for a fan that won't start (often paired with a failed run capacitor), grinding or squealing from worn bearings, reduced airflow, poor cooling, or a motor that trips on thermal overload after running a short time.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Fan motors must match precise electrical and mechanical specs — the wrong RPM, rotation, or shaft size causes poor performance and premature failure. The OEM Lennox \u003cstrong\u003e51H75\u003c\/strong\u003e bolts in with the correct mounting, wiring, and capacitor requirements, restoring rated airflow and efficiency without the guesswork that comes with universal replacements on Lennox equipment.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081103884659,"sku":"LNX-51H75","price":99.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-condenser-fan-motor-LNX-51H75.jpg?v=1783760863","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-fan-motor-51h75","provider":"National HVAC Parts","version":"1.0","type":"link"}