{"product_id":"oem-goodman-rubber-inducer-coupling-for-gun125-5-b1810400","title":"OEM Goodman Rubber Inducer Coupling for GUN125-5 — B1810400","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1810400 Rubber Coupling\u003c\/strong\u003e is a genuine OEM flexible connector for the \u003cstrong\u003eGUN125-5\u003c\/strong\u003e gas furnace. This molded rubber coupling joins two sections of the vent\/inducer or blower assembly, sealing the joint while absorbing vibration and allowing slight thermal movement — preventing rattles, air leaks, and stress cracking at rigid connections.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e B1810400\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Flexible rubber coupling \/ vibration-isolating seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Heat-resistant molded rubber (EPDM-class)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Seals and dampens vibration between assembly sections\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Goodman GUN125-5 gas furnace\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Goodman OEM replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM B1810400\u003c\/strong\u003e is molded to the exact inside diameter and durometer required for a leak-free, flexible seal on the GUN125-5. Generic rubber couplings often fit loosely or use lower-temperature compounds that harden, crack, and leak. OEM ensures a lasting, airtight, vibration-free joint.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5).\u003c\/strong\u003e Slip the old coupling off, seat the new one fully on both connection points, and secure any clamps evenly. No special tools required. Cut power to the furnace before servicing.\u003c\/p\u003e\u003cp\u003eEliminate leaks and vibration noise with the genuine Goodman B1810400. Ready to ship today.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058190008691,"sku":"GOODMAN-13169","price":15.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-rubber-inducer-coupling-for-gun125-5-b1810400","provider":"National HVAC Parts","version":"1.0","type":"link"}