{"product_id":"oem-goodman-view-port-bushing-for-gsm080-4-furnace-b1392139","title":"OEM Goodman View Port Bushing for GSM080-4 Furnace — B1392139","description":"\u003cp\u003eThe genuine \u003cstrong\u003eGoodman B1392139 View Port Bushing\u003c\/strong\u003e is the small factory grommet that seals the burner inspection sight-port on the \u003cstrong\u003eGSM080-4\u003c\/strong\u003e gas furnace and related GMS\/GSM 80 series models. It provides a clean, heat-tolerant seal around the viewing window so technicians can observe the burner flame while maintaining the integrity of the combustion enclosure.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: View-port \/ sight-glass bushing (grommet)\u003c\/li\u003e\n\u003cli\u003eFunction: Seals burner observation port on the furnace panel\u003c\/li\u003e\n\u003cli\u003eHeat-resistant molded construction\u003c\/li\u003e\n\u003cli\u003eSnap-in \/ press-fit installation\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B1392139\u003c\/li\u003e\n\u003cli\u003eFits: Goodman GSM080-4 and related 80 series furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis is an inexpensive but purpose-molded \u003cstrong\u003eOEM component\u003c\/strong\u003e sized to the exact port diameter on Goodman 80 series cabinets. A generic grommet that isn't dimensioned correctly can fall out, whistle, or fail to seal — allowing combustion air disturbance around the viewing port. At this price, the correct OEM fit is the obvious choice.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eVery Easy (1 of 5).\u003c\/strong\u003e No tools required — simply pop the old bushing out of the panel port and press the new one in until it seats. A one-minute replacement. Often ordered alongside other burner-area service parts.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058180964723,"sku":"GOODMAN-12938","price":0.85,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-view-port-bushing-for-gsm080-4-furnace-b1392139","provider":"National HVAC Parts","version":"1.0","type":"link"}