{"product_id":"oem-goodman-view-port-sight-glass-bushing-for-gdh80403axba-b1392139","title":"OEM Goodman View Port Sight Glass Bushing for GDH80403AXBA — B1392139","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1392139 View Port Bushing\u003c\/strong\u003e is a genuine OEM sight-glass grommet designed for the \u003cstrong\u003eGDH80403AXBA\u003c\/strong\u003e gas furnace and compatible Goodman 80% AFUE models. This bushing seats in the burner-compartment view port, holding the observation window in place so technicians can safely inspect the flame during operation without disturbing the combustion seal.\u003c\/p\u003e\u003cp\u003eThough small, this component is important: a cracked or missing bushing lets the view port rattle loose, breaking the sight seal and making flame inspection difficult. Replacing it with the exact OEM part restores a proper factory fit.\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 (fitting)\u003c\/li\u003e\n\u003cli\u003eFits Model: GDH80403AXBA (and compatible Goodman 80% furnaces)\u003c\/li\u003e\n\u003cli\u003eMaterial: Heat-resistant grommet\u003c\/li\u003e\n\u003cli\u003eEquipment: Gas Furnace\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe genuine Goodman B1392139 is molded to factory tolerances for a leak-free, drop-in fit. Generic substitutes often vary in diameter and can loosen over time. For a small-cost part like this, OEM is the reliable choice.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — a tool-free press-in replacement. Power down the furnace, pop out the old bushing, and seat the new one. No wiring or gas connections involved.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058073125235,"sku":"GOODMAN-10220","price":9.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-view-port-sight-glass-bushing-for-gdh80403axba-b1392139","provider":"National HVAC Parts","version":"1.0","type":"link"}