{"product_id":"oem-goodman-sight-glass-view-port-bushing-for-amh80604bnbb-b1392139","title":"OEM Goodman Sight Glass View Port Bushing for AMH80604BNBB — B1392139","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1392139 View Port Bushing\u003c\/strong\u003e is a genuine OEM replacement for the sight-glass viewing port on the \u003cstrong\u003eAMH80604BNBB\u003c\/strong\u003e 80% AFUE gas furnace and compatible Goodman\/Amana models. This bushing seals the inspection port that lets technicians confirm burner flame and ignition, keeping combustion-chamber pressure and airflow correct.\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: AMH80604BNBB\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman \/ Amana\u003c\/li\u003e\n\u003cli\u003eApplication: Gas furnace combustion inspection port\u003c\/li\u003e\n\u003cli\u003eMaterial: Heat-resistant molded grommet\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eOur genuine OEM B1392139 is molded to factory tolerances for a leak-free seal and correct heat resistance. Generic bushings often shrink or harden near the heat exchanger, allowing pressure loss and nuisance flame-sensing faults. For a small-cost part that affects combustion safety, OEM is the smart choice.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5).\u003c\/strong\u003e Press-fit replacement — power down the furnace, pop out the old bushing, and seat the new one. No tools or wiring required. Should take under 5 minutes for a qualified technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057607360883,"sku":"GOODMAN-5190","price":4.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-sight-glass-view-port-bushing-for-amh80604bnbb-b1392139","provider":"National HVAC Parts","version":"1.0","type":"link"}