{"product_id":"oem-goodman-view-port-bushing-for-vms80604bxaa-b1392139","title":"OEM Goodman View Port Bushing for VMS80604BXAA — B1392139","description":"\u003ch2\u003eGoodman B1392139 View Port Bushing\u003c\/h2\u003e\u003cp\u003eThe B1392139 is a genuine OEM view port bushing designed for Goodman \u003cstrong\u003eVMS80604BXAA\u003c\/strong\u003e gas furnaces. This small but essential grommet seals the flame-observation (sight) port on the burner compartment, holding the sight glass in place and preventing air leaks that can disrupt the combustion draft. A cracked or missing bushing is a common cause of nuisance flame-rollout trips and whistling around the burner box.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e B1392139\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e View port \/ sight-glass bushing (fitting)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-temperature molded grommet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Goodman VMS80604BXAA and compatible 80% AFUE furnaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment:\u003c\/strong\u003e Gas furnace\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eChoosing the OEM B1392139 guarantees an exact-fit seal rated for burner-box temperatures. Generic aftermarket grommets often use lower-temp rubber that hardens and shrinks, leading to repeat failures. For a sealed combustion component, OEM is the safe choice.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5).\u003c\/strong\u003e No tools required in most cases — push-fit installation into the port opening after cutting furnace power. A typical replacement takes under 5 minutes.\u003c\/p\u003e\u003cp\u003eAlways shut off gas and electrical power before servicing. If you are unsure of your furnace model, verify the part number against your unit's rating plate.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058210816371,"sku":"GOODMAN-13715","price":3.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-view-port-bushing-for-vms80604bxaa-b1392139","provider":"National HVAC Parts","version":"1.0","type":"link"}