{"product_id":"oem-goodman-view-port-bushing-for-acss920402bnaa-furnace-b1392139-1","title":"OEM Goodman View Port Bushing for ACSS920402BNAA Furnace — B1392139","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1392139 View Port Bushing\u003c\/strong\u003e is a genuine OEM grommet that frames the burner sight glass \/ inspection port on the \u003cstrong\u003eACSS920402BNAA\u003c\/strong\u003e gas furnace. It holds the view-port window securely, provides a clean seal around the opening, and protects the surrounding sheet metal during burner inspection.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart Number: B1392139\u003c\/li\u003e\n\u003cli\u003eType: View port (sight glass) bushing \/ grommet\u003c\/li\u003e\n\u003cli\u003eMaterial: Heat-resistant molded polymer\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman (OEM)\u003c\/li\u003e\n\u003cli\u003eEquipment: Gas Furnace\u003c\/li\u003e\n\u003cli\u003eFits: ACSS920402BNAA and compatible models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eA \u003cstrong\u003egenuine OEM bushing\u003c\/strong\u003e matches the exact bore and flange of your furnace's view port, ensuring the window seats correctly and the seal stays intact under heat cycling. Aftermarket grommets frequently shrink or crack near the burner box, allowing the sight glass to loosen. OEM is the safe choice for this heat-exposed location.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eVery Easy (1\/5).\u003c\/strong\u003e Press-fit replacement — pop out the old bushing and seat the new one. Shut off gas and power before opening the burner compartment. No special tools needed.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057457512819,"sku":"GOODMAN-2371","price":5.85,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-view-port-bushing-for-acss920402bnaa-furnace-b1392139-1","provider":"National HVAC Parts","version":"1.0","type":"link"}