{"product_id":"carrier-330426-412","title":"Carrier 330426-412 Arm Assembly","description":"\u003cp\u003eThe \u003cstrong\u003eCarrier 330426-412 Arm and Grommet Assembly\u003c\/strong\u003e is a \u003cstrong\u003eCarrier factory motor mounting arm\u003c\/strong\u003e sold with its \u003cstrong\u003erubber grommet\u003c\/strong\u003e already in place. It is also written \u003cstrong\u003eARM \u0026amp; GROM ASSY\u003c\/strong\u003e. It is one number in the \u003cstrong\u003e330426\u003c\/strong\u003e series of \u003cstrong\u003emotor arm assemblies\u003c\/strong\u003e, which already includes the \u003cstrong\u003e330426-406\u003c\/strong\u003e, \u003cstrong\u003e330426-409\u003c\/strong\u003e and \u003cstrong\u003e330426-411\u003c\/strong\u003e and runs through \u003cstrong\u003e330426-401\u003c\/strong\u003e, \u003cstrong\u003e330426-403\u003c\/strong\u003e, \u003cstrong\u003e330426-405\u003c\/strong\u003e, \u003cstrong\u003e330426-407\u003c\/strong\u003e, \u003cstrong\u003e330426-408\u003c\/strong\u003e and \u003cstrong\u003e330426-410\u003c\/strong\u003e. The series is a set of \u003cstrong\u003eseparate parts\u003c\/strong\u003e, not interchangeable options, so the \u003cstrong\u003e330426-412\u003c\/strong\u003e is for the arm that is stamped \u003cstrong\u003e330426-412\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eA \u003cstrong\u003eblower motor\u003c\/strong\u003e has to sit still while it spins. The \u003cstrong\u003earm\u003c\/strong\u003e supplies the \u003cstrong\u003erigid mounting point\u003c\/strong\u003e that fixes the \u003cstrong\u003emotor\u003c\/strong\u003e at the right \u003cstrong\u003eposition\u003c\/strong\u003e and keeps the \u003cstrong\u003eshaft\u003c\/strong\u003e square to the \u003cstrong\u003eblower wheel\u003c\/strong\u003e, and the \u003cstrong\u003egrommet\u003c\/strong\u003e supplies the \u003cstrong\u003esoft isolation\u003c\/strong\u003e between the \u003cstrong\u003emotor\u003c\/strong\u003e and the \u003cstrong\u003emetal frame\u003c\/strong\u003e. If either one fails you hear it: a \u003cstrong\u003elow hum\u003c\/strong\u003e that follows the \u003cstrong\u003emotor speed\u003c\/strong\u003e, a \u003cstrong\u003ebuzz\u003c\/strong\u003e in the \u003cstrong\u003ecabinet\u003c\/strong\u003e, or a \u003cstrong\u003erattle\u003c\/strong\u003e that comes and goes as the \u003cstrong\u003emotor\u003c\/strong\u003e moves on a \u003cstrong\u003eloose or cracked arm\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eA \u003cstrong\u003eten-minute inspection\u003c\/strong\u003e tells you whether this part is the cure. With the \u003cstrong\u003epower locked out\u003c\/strong\u003e, grip the \u003cstrong\u003emotor\u003c\/strong\u003e and try to rock it: a small, \u003cstrong\u003ecushioned\u003c\/strong\u003e give is normal, but \u003cstrong\u003eplay\u003c\/strong\u003e or \u003cstrong\u003eclunking\u003c\/strong\u003e means the \u003cstrong\u003egrommet\u003c\/strong\u003e has collapsed or the \u003cstrong\u003earm\u003c\/strong\u003e has \u003cstrong\u003ebent or cracked\u003c\/strong\u003e. Look at the \u003cstrong\u003erubber\u003c\/strong\u003e for \u003cstrong\u003eflat spots, splits and oil\u003c\/strong\u003e, and at the \u003cstrong\u003earm\u003c\/strong\u003e for \u003cstrong\u003erust\u003c\/strong\u003e and \u003cstrong\u003edistortion\u003c\/strong\u003e. When you replace it, record the \u003cstrong\u003earm orientation\u003c\/strong\u003e, fit the \u003cstrong\u003e330426-412\u003c\/strong\u003e, tighten without \u003cstrong\u003esqueezing the rubber flat\u003c\/strong\u003e, \u003cstrong\u003espin the wheel by hand\u003c\/strong\u003e to confirm \u003cstrong\u003eclearance\u003c\/strong\u003e, then run the \u003cstrong\u003eblower\u003c\/strong\u003e on every \u003cstrong\u003espeed tap\u003c\/strong\u003e and listen for a \u003cstrong\u003esmooth, steady\u003c\/strong\u003e sound.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFactory-assembled:\u003c\/strong\u003e The \u003cstrong\u003eCarrier 330426-412\u003c\/strong\u003e arrives with the \u003cstrong\u003egrommet\u003c\/strong\u003e fitted, so there is nothing to \u003cstrong\u003epress in\u003c\/strong\u003e or \u003cstrong\u003ealign\u003c\/strong\u003e by hand.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTargets noise at the source:\u003c\/strong\u003e Replacing the \u003cstrong\u003eisolator\u003c\/strong\u003e and the \u003cstrong\u003earm\u003c\/strong\u003e together removes the two most common causes of \u003cstrong\u003eblower motor vibration noise\u003c\/strong\u003e.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProtects the motor:\u003c\/strong\u003e Correct \u003cstrong\u003emotor position\u003c\/strong\u003e keeps the \u003cstrong\u003eshaft\u003c\/strong\u003e square, which reduces \u003cstrong\u003ebearing load\u003c\/strong\u003e and \u003cstrong\u003ewheel rub\u003c\/strong\u003e.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMatch by number:\u003c\/strong\u003e Compare the \u003cstrong\u003estamped 330426-412\u003c\/strong\u003e on the old arm before ordering and avoid \u003cstrong\u003edash number\u003c\/strong\u003e mix-ups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the Carrier 330426-412 do?\u003c\/strong\u003e\u003cbr\u003eIt \u003cstrong\u003emounts and positions a blower motor\u003c\/strong\u003e and its \u003cstrong\u003egrommet\u003c\/strong\u003e \u003cstrong\u003eisolates the motor's vibration\u003c\/strong\u003e from the \u003cstrong\u003ecabinet\u003c\/strong\u003e. It is a \u003cstrong\u003eCarrier ARM \u0026amp; GROM ASSY\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm I need the 330426-412 and not another 330426 number?\u003c\/strong\u003e\u003cbr\u003eRead the \u003cstrong\u003enumber stamped on the old arm\u003c\/strong\u003e. The \u003cstrong\u003e330426\u003c\/strong\u003e dash numbers are \u003cstrong\u003eseparate parts\u003c\/strong\u003e, so use the \u003cstrong\u003enameplate model and serial number\u003c\/strong\u003e to double-check if the \u003cstrong\u003estamping\u003c\/strong\u003e is worn.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMy blower hums at high speed. Is it the arm?\u003c\/strong\u003e\u003cbr\u003eIt can be. A \u003cstrong\u003ehardened grommet\u003c\/strong\u003e or \u003cstrong\u003ecracked arm\u003c\/strong\u003e commonly shows up as a \u003cstrong\u003ehum or buzz\u003c\/strong\u003e that is worst at \u003cstrong\u003ehigh speed\u003c\/strong\u003e. \u003cstrong\u003eInspect the arm and grommet\u003c\/strong\u003e before spending money on a \u003cstrong\u003emotor\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e\n","brand":"Carrier","offers":[{"title":"Default Title","offer_id":67918851834034,"sku":"330426-412","price":19.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/ac-parts-1000x1000_d8f6c0df-eeb5-4a7f-8ee2-4f92681ea310.webp?v=1755632728","url":"https:\/\/www.gsistore.com\/products\/carrier-330426-412","provider":"GSIstore","version":"1.0","type":"link"}