{"product_id":"oem-goodman-view-port-bushing-for-amh80904bnac-b1392139","title":"OEM Goodman View Port Bushing for AMH80904BNAC — B1392139","description":"\u003ch2\u003eGoodman B1392139 View Port Bushing\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eGoodman B1392139\u003c\/strong\u003e is a genuine OEM view port bushing (sight-glass grommet) engineered for the \u003cstrong\u003eAMH80904BNAC\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana 80% AFUE models. This bushing seats the flame-observation sight glass in the burner compartment access panel, sealing the port against air leakage while allowing safe visual inspection of the burner flame during service.\u003c\/p\u003e\u003cp\u003eAlthough inexpensive, a cracked or missing view port bushing is a common cause of nuisance air infiltration and rattling panels. Replacing it with the correct OEM part restores a proper seal and keeps the combustion area viewable.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: B1392139\u003c\/li\u003e\n\u003cli\u003eType: View port \/ sight-glass bushing\u003c\/li\u003e\n\u003cli\u003eFits: AMH80904BNAC and compatible Goodman \u0026amp; Amana 80% furnaces\u003c\/li\u003e\n\u003cli\u003eMaterial: Heat-resistant grommet composite\u003c\/li\u003e\n\u003cli\u003eFunction: Seals and mounts burner flame sight glass\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe genuine Goodman OEM bushing is molded to the exact port diameter and temperature rating of the AMH80904BNAC cabinet. Generic grommets often fit loosely, degrade faster near combustion heat, and can fall out. For a small-cost part in a combustion area, OEM is strongly recommended.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5).\u003c\/strong\u003e Press-fit replacement — no tools required beyond removing the burner access panel. Typical install time under 5 minutes. Always shut off gas and power to the furnace before servicing.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057632723315,"sku":"GOODMAN-5800","price":6.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-view-port-bushing-for-amh80904bnac-b1392139","provider":"National HVAC Parts","version":"1.0","type":"link"}