{"product_id":"oem-lennox-wire-harness-kit-74k65","title":"OEM Lennox Wire Harness Kit — 74K65","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e74K65\u003c\/strong\u003e Wire Harness Kit provides the factory-spec wiring, connectors, and terminals needed to link the electrical components in your Lennox furnace or air handler. Each conductor is pre-terminated and color-coded to match the original layout, ensuring proper voltage delivery between the control board, motors, switches, and safety devices. It is engineered for direct fit in Lennox equipment that originally shipped with this harness.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e Wiring harness issues often show up as intermittent operation, components that fail to energize, tripped safeties, burnt or melted connector housings, and error codes at the control board. Rodent damage, heat fatigue, corrosion, and loose or arced terminals are frequent causes of harness failure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e Choosing the OEM Lennox \u003cstrong\u003e74K65\u003c\/strong\u003e harness guarantees the correct gauge wire, connector pinout, and terminal ratings your system was designed around. Aftermarket or hand-spliced wiring can introduce resistance, wrong connections, and fire risk. The factory harness restores safe, reliable operation and protects the connected components and your warranty.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081095954803,"sku":"LNX-74K65","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-wiring-harness-multipin-LNX-74K65.jpg?v=1783764138","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-wire-harness-kit-74k65","provider":"National HVAC Parts","version":"1.0","type":"link"}