{"product_id":"oem-goodman-43-natural-gas-burner-orifice-for-ads81155cxa-b4089343","title":"OEM Goodman #43 Natural Gas Burner Orifice for ADS81155CXA — B4089343","description":"\u003cp\u003eThe Goodman \u003cstrong\u003eB4089343\u003c\/strong\u003e is a genuine OEM #43 drill-size natural gas burner orifice (spud) for the \u003cstrong\u003eADS81155CXA\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana models. Threaded into the gas manifold, this precision brass orifice meters the exact fuel flow into each in-shot burner, setting the furnace's input rate and ensuring a properly sized, efficient flame.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrifice drill size:\u003c\/strong\u003e #43\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel:\u003c\/strong\u003e Natural gas\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Machined brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM part number:\u003c\/strong\u003e B4089343\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEquipment:\u003c\/strong\u003e Goodman \/ Amana gas furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eOEM orifices are drilled to the precise diameter Goodman specifies for the furnace's rated BTU input and gas pressure. Even a slightly off generic bore can over- or under-fire the unit, hurting efficiency and combustion safety. Always match the exact drill size and fuel type — OEM guarantees it.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate\u003c\/strong\u003e — back out the old spud and thread in the new one, then verify manifold pressure and flame. Shut off gas first and leak-check after. Use the correct fuel-specific size; for LP conversions, a different orifice is required. Professional service recommended.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Direct Replacement","offer_id":63032485839219,"sku":"B4089343-GEN","price":10.95,"currency_code":"USD","in_stock":true},{"title":"OEM","offer_id":63048133738867,"sku":"B4089343","price":14.23,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-burner-orifice-B4089343_e489f401-1971-43fd-83de-78b20722b301.jpg?v=1782944765","url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-43-natural-gas-burner-orifice-for-ads81155cxa-b4089343","provider":"National HVAC Parts","version":"1.0","type":"link"}