{"product_id":"oem-goodman-sight-view-port-bushing-for-gmpn080-4-b1392139","title":"OEM Goodman Sight\/View Port Bushing for GMPN080-4 — B1392139","description":"\u003ch2\u003eGoodman B1392139 View Port Bushing \/ Grommet\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eGoodman B1392139\u003c\/strong\u003e is a genuine OEM view-port (sight-port) bushing for the \u003cstrong\u003eGMPN080-4\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana models. This small but important component seals the burner-observation port on the furnace vestibule panel, allowing you to visually inspect the flame while maintaining a proper draft seal. A cracked, missing, or hardened bushing can cause air leaks that upset combustion, invite nuisance flame-sense faults, or let heated air escape the burner box.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: View \/ sight port bushing (grommet seal)\u003c\/li\u003e\n\u003cli\u003eMaterial: High-temperature molded rubber\/elastomer\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B1392139\u003c\/li\u003e\n\u003cli\u003eCompatible model: Goodman GMPN080-4\u003c\/li\u003e\n\u003cli\u003eEquipment type: Gas Furnace\u003c\/li\u003e\n\u003cli\u003eLocation: Burner box \/ vestibule inspection port\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM Goodman B1392139\u003c\/strong\u003e is molded to the exact port diameter and rated for burner-box temperatures, so it snaps in and holds a tight seal. Generic grommets often run undersized or use lower-temp rubber that shrinks and falls out. At this price point, there's no reason not to use the correct factory part.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eVery Easy (1\/5).\u003c\/strong\u003e Under 5 minutes and no tools required — press the old bushing out and push the new one into the port until it seats. Replace whenever you service the burners or notice the seal has hardened or gone missing.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058147180915,"sku":"GOODMAN-12087","price":0.85,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-sight-view-port-bushing-for-gmpn080-4-b1392139","provider":"National HVAC Parts","version":"1.0","type":"link"}