{"product_id":"liftmaster-ma003","title":"LiftMaster MA003 Mega Arm Replacement Motor — 1\/2 HP, 24V DC","description":"\u003cp\u003e\u003cstrong\u003eThe LiftMaster MA003 is a 1\/2 HP, 24V DC replacement motor identified for the documented Mega Arm barrier-operator drive. The manufacturer Mega Arm parts list separates this motor from its pulley, drive belt and gear reducer. Select it by the exact operator revision and motor reference, not simply by voltage or horsepower. It is a motor service item, not a complete barrier operator, and it should not be assumed interchangeable with other LiftMaster 24V DC gate motors.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eCompatibility — Models, Versions and Exclusions\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel or selection point\u003c\/th\u003e\n\u003cth\u003eCompatibility requirement\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDocumented Mega Arm assembly\u003c\/td\u003e\n\u003ctd\u003eManufacturer parts list identifies MA003; verify the exact installed motor and operator revision.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMega Arm Tower installations\u003c\/td\u003e\n\u003ctd\u003eThe shared manual addresses Tower equipment; confirm the actual drive and service reference.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOther Mega-family or modified operators\u003c\/td\u003e\n\u003ctd\u003eUse the specific parts documentation; no universal family compatibility is established.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eK76-36398 24V DC motor\u003c\/td\u003e\n\u003ctd\u003eDifferent service reference and application; matching voltage and horsepower are insufficient.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eCheck the Barrier Drive Before Ordering a Motor\u003c\/h2\u003e\u003cp\u003eFailure to lift the barrier arm can involve the power supply, batteries, controller, belt, reducer or the mechanical arm assembly. Have a technician determine whether the motor itself has failed. An unsuitable arm or damaged drive component can load a sound motor incorrectly, so the repair must address the complete system rather than only its visible symptom.\u003c\/p\u003e\u003cp\u003ePhotograph the motor label, mounting and pulley arrangement before disassembly. The manufacturer lists several drive parts separately, and a previous repair may have changed the installed hardware. Confirm whether any pulley, belt or mounting parts also need replacement. Do not assume that a motor from another 24V gate operator will have the correct shaft, mounting or operating characteristics.\u003c\/p\u003e\u003ch2\u003eSpecifications and Product Identification\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart number\u003c\/td\u003e\n\u003ctd\u003eMA003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eReplacement barrier-operator motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupplier motor rating\u003c\/td\u003e\n\u003ctd\u003e1\/2 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor voltage\u003c\/td\u003e\n\u003ctd\u003e24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDocumented equipment\u003c\/td\u003e\n\u003ctd\u003eMega Arm in the referenced manufacturer service manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeparate drive parts\u003c\/td\u003e\n\u003ctd\u003eMA009 motor pulley, MA007 belt and MA005 reducer in the same diagram\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eBefore Ordering\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRecord the full barrier-operator model and existing motor reference.\u003c\/li\u003e\n\u003cli\u003eVerify MA003 in the applicable service-parts list.\u003c\/li\u003e\n\u003cli\u003eHave the supply, batteries, controller output and drive mechanism inspected.\u003c\/li\u003e\n\u003cli\u003eIdentify the separate pulley, belt or mounting components required for the diagnosed repair.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Contents and Separate Requirements\u003c\/h2\u003e\u003cp\u003eThis listing identifies the MA003 motor. A pulley, drive belt, gear reducer, controller, barrier arm or complete wiring harness is not promised as included. Confirm the supplied motor and current carton before ordering. The complete operator inventory in a family manual is not the inventory of this replacement-motor shipment.\u003c\/p\u003e\u003ch2 class=\"safety-warning\"\u003eSafety Warnings — Read Before Installation or Service\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWARNING: A barrier arm can move or fall unexpectedly during drive service. Have a qualified barrier-gate technician secure it before disconnecting the motor or belt.\u003c\/li\u003e\n\u003cli\u003eIsolate utility and battery power before accessing wiring or moving drive parts.\u003c\/li\u003e\n\u003cli\u003eDo not use a different-voltage motor or improvise shaft and pulley connections to make an unmatched part fit.\u003c\/li\u003e\n\u003cli\u003eRestore guards and verify travel, direction and the manufacturer-required protective responses before returning the lane to normal operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eRelated Products and Important Differences\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/garage-doorparts.com\/products\/liftmaster-lmrrul-monitored-retro-reflective-photo-eye\"\u003eLMRRUL monitored photo eye\u003c\/a\u003e — a protection option only where the exact barrier operator’s documentation approves it; not a universal Mega Arm retrofit.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/garage-doorparts.com\/products\/liftmaster-lmwekitu-monitored-wireless-edge-kit-for-gate-operators\"\u003eLMWEKITU monitored wireless edge kit\u003c\/a\u003e — a separate protection-system component requiring explicit operator compatibility; not part of the motor package.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eIs this an AC motor?\u003c\/h3\u003e\u003cp\u003eNo. The manufacturer identifies MA003 as a 24V DC motor. Do not connect it to an AC motor supply.\u003c\/p\u003e\u003ch3\u003eDoes the motor include the gearbox?\u003c\/h3\u003e\u003cp\u003eThe manufacturer parts list identifies the reducer separately. A gearbox is not promised in this motor offer.\u003c\/p\u003e\u003ch3\u003eCan another 1\/2 HP 24V motor replace it?\u003c\/h3\u003e\u003cp\u003eNot on those ratings alone. The approved service reference, shaft, mounting and drive arrangement must match.\u003c\/p\u003e\u003ch3\u003eWill replacing the motor fix a worn belt?\u003c\/h3\u003e\u003cp\u003eNo. The belt and other drive parts require inspection and replacement when the repair assessment calls for it.\u003c\/p\u003e\u003ch2\u003eNeed Help Confirming the Right Product?\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"https:\/\/garage-doorparts.com\/pages\/contact\"\u003eContact Garage-DoorParts.com before ordering\u003c\/a\u003e. Send the full equipment model, readable part labels and photographs of the installed assembly. Include the dimensions, electrical configuration or accessory details relevant to your project so the listing can be checked against the actual installation.\u003c\/p\u003e","brand":"Controlled products","offers":[{"title":"Default Title","offer_id":60655773155614,"sku":"MA003","price":760.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/2781\/5710\/files\/ma003.jpg?v=1793139902","url":"https:\/\/garage-doorparts.com\/products\/liftmaster-ma003","provider":"garage-doorparts.com","version":"1.0","type":"link"}