{"product_id":"oem-goodman-view-port-bushing-for-amh80904bxcb-b1392139","title":"OEM Goodman View Port Bushing for AMH80904BXCB — B1392139","description":"\u003ch2\u003eGoodman B1392139 View Port Bushing\u003c\/h2\u003e\u003cp\u003eThe genuine OEM Goodman B1392139 view port bushing seals the flame-inspection sight port on the \u003cstrong\u003eAMH80904BXCB\u003c\/strong\u003e gas furnace. This grommet lets a technician watch the burner flame during startup while keeping combustion-air pressure and flue gases contained. A brittle or missing bushing can cause a pressure-switch fault, flame-sensing problems, or a small combustion leak, so it is worth replacing whenever it shows cracking or heat damage.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: view port \/ sight glass bushing (grommet)\u003c\/li\u003e\n\u003cli\u003eMaterial: high-temperature molded rubber\u003c\/li\u003e\n\u003cli\u003eFunction: seals burner-compartment inspection port\u003c\/li\u003e\n\u003cli\u003eFits: Goodman \u0026amp; Amana AMH80904BXCB furnaces\u003c\/li\u003e\n\u003cli\u003eOEM part number: B1392139\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eGenuine Goodman bushings are molded to the exact port diameter and rated for sustained burner-box heat, so they seal without deforming. Off-brand grommets often run undersized or use lower-temp compounds that shrink and fall out. The OEM part guarantees a leak-free, factory-correct fit.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (DIY-friendly, under 5 minutes).\u003c\/strong\u003e Power down the furnace, pop the old bushing out of the panel, and press the new one into the port until it seats fully. No tools required.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057634886003,"sku":"GOODMAN-5831","price":6.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-view-port-bushing-for-amh80904bxcb-b1392139","provider":"National HVAC Parts","version":"1.0","type":"link"}