{"product_id":"oem-goodman-43-burner-orifice-for-amv81155cxba-furnace-b4089343","title":"OEM Goodman #43 Burner Orifice for AMV81155CXBA Furnace — B4089343","description":"\u003ch2\u003eGoodman B4089343 #43 Burner Orifice\u003c\/h2\u003e\u003cp\u003eThe B4089343 is a genuine OEM Goodman burner orifice (spud), drilled to a #43 bore, engineered for the AMV81155CXBA modulating gas furnace. Each orifice meters the precise volume of gas delivered to its burner, so using the factory-correct drill size is essential for a clean flame, proper input rating, and safe combustion. This part is a direct-fit replacement — no re-drilling or adaptation required.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOrifice size: #43 drill\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B4089343\u003c\/li\u003e\n\u003cli\u003eFits: Goodman\/Amana AMV81155CXBA gas furnace\u003c\/li\u003e\n\u003cli\u003eType: Threaded burner spud \/ gas orifice\u003c\/li\u003e\n\u003cli\u003eMaterial: Brass\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eOur genuine OEM Goodman orifice is bored and gauged to factory tolerance, guaranteeing the exact fuel metering your furnace was certified for. Generic orifices often vary in bore diameter, which can cause sooting, delayed ignition, or an out-of-spec input rating. For a combustion component, OEM is strongly recommended.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — a technician can swap the orifice with a wrench in minutes. Always shut off gas and power before servicing, and verify the burner flame after installation.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057815929203,"sku":"GOODMAN-7695","price":5.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-43-burner-orifice-for-amv81155cxba-furnace-b4089343","provider":"National HVAC Parts","version":"1.0","type":"link"}