{"product_id":"oem-goodman-view-port-bushing-for-wfm18070s3axcb-furnace-b1392139","title":"OEM Goodman View Port Bushing for WFM18070S3AXCB Furnace — B1392139","description":"\u003ch2\u003eGoodman B1392139 View Port Bushing\u003c\/h2\u003e\u003cp\u003eThe Goodman \u003cstrong\u003eB1392139\u003c\/strong\u003e view port bushing is the small rubber\/nylon grommet that seats the sight-glass window in your furnace's burner compartment, giving you a safe, sealed opening to observe the flame during operation. This is the genuine OEM part engineered for the Goodman \u003cstrong\u003eWFM18070S3AXCB\u003c\/strong\u003e gas furnace and other units in the same family. A cracked or missing bushing lets the sight glass rattle loose and can allow air infiltration around the observation port, so replacing a worn one restores a proper seal.\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 bushing \/ sight-glass grommet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-temp molded elastomer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Goodman WFM18070S3AXCB and compatible furnace models\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Secures and seals the flame observation window\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis is a factory-original Goodman component, molded to the exact diameter and temperature spec of the burner compartment opening. Generic universal grommets are often close but not exact, which leads to a loose fit or premature heat degradation. For a critical safety-related sight port, the OEM bushing is the right call.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (DIY-friendly)\u003c\/strong\u003e — Typically a press-fit that requires no tools beyond disconnecting power to the furnace first. Most installs take under 5 minutes. Always shut off gas and electrical power before servicing.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058224415091,"sku":"GOODMAN-14060","price":6.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-view-port-bushing-for-wfm18070s3axcb-furnace-b1392139","provider":"National HVAC Parts","version":"1.0","type":"link"}