{"product_id":"oem-goodman-view-port-bushing-for-ams81155cna-b1392139","title":"OEM Goodman View Port Bushing for AMS81155CNA — B1392139","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1392139 View Port Bushing\u003c\/strong\u003e is the genuine OEM inspection-port seal for the \u003cstrong\u003eAMS81155CNA\u003c\/strong\u003e gas furnace. It fits the burner-compartment sight window, letting a technician observe flame quality and ignition while maintaining a proper seal against the sealed-combustion cabinet. Though inexpensive, it is important for correct combustion-chamber pressure and safe operation.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent:\u003c\/strong\u003e View port \/ sight-glass bushing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Seals the burner inspection window\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e B1392139\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-temperature molded bushing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Goodman (fits Amana-branded units)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Fit:\u003c\/strong\u003e AMS81155CNA gas furnace\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eBecause this bushing sits in the sealed-combustion path, the \u003cstrong\u003efactory-original Goodman fit\u003c\/strong\u003e matters — an off-size generic can leak, allowing air infiltration that disrupts the burner flame and combustion-air pressure switch. There is little cost savings in a substitute for a part priced this low, so OEM is the clear choice.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eVery Easy (1\/5).\u003c\/strong\u003e Press-fits into the port opening by hand; no tools required. Cut power before opening the burner compartment.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eNote: This is a genuine OEM Goodman replacement part. National HVAC Parts is not affiliated with or endorsed by Goodman Manufacturing.\u003c\/em\u003e\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057714872691,"sku":"GOODMAN-7172","price":6.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-view-port-bushing-for-ams81155cna-b1392139","provider":"National HVAC Parts","version":"1.0","type":"link"}