{"product_id":"oem-goodman-view-port-bushing-for-advc80603bnbb-furnace-b1392139","title":"OEM Goodman View Port Bushing for ADVC80603BNBB Furnace — B1392139","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1392139 View Port Bushing\u003c\/strong\u003e is a genuine OEM replacement grommet that secures and seals the flame-inspection sight glass on \u003cstrong\u003eGoodman ADVC80603BNBB\u003c\/strong\u003e gas furnaces and compatible models in the same product family. This small but essential fitting keeps the burner viewing port sealed against combustion gases while allowing safe visual inspection of the flame during service.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart type: View port \/ sight-glass bushing\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B1392139\u003c\/li\u003e\n\u003cli\u003eFits: Goodman ADVC80603BNBB and related furnace platforms\u003c\/li\u003e\n\u003cli\u003eMaterial: High-temperature molded grommet\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman (OEM)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe genuine OEM B1392139 is molded to the exact port diameter and temperature rating specified by Goodman, ensuring a leak-free seal at the inspection port. Generic aftermarket bushings may not match the burner-box opening precisely and can degrade faster under combustion heat. For a furnace safety component, we recommend the OEM part.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — press-fit installation, no tools typically required. Always shut off gas and power before servicing. If you are unsure, consult a licensed HVAC technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057530159475,"sku":"GOODMAN-3530","price":4.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-view-port-bushing-for-advc80603bnbb-furnace-b1392139","provider":"National HVAC Parts","version":"1.0","type":"link"}