{"product_id":"oem-goodman-3-4-hp-variable-speed-blower-motor-b13400704abs-1","title":"OEM Goodman 3\/4 HP Variable Speed Blower Motor — B13400704ABS","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B13400704ABS 3\/4 HP Variable Speed Blower Motor\u003c\/strong\u003e is the genuine OEM ECM (electronically commutated) motor for the \u003cstrong\u003eWAHMV3137P4AAA\u003c\/strong\u003e air handler. This high-efficiency motor ramps speed to match the system's heating, cooling, and continuous-fan demands, delivering quiet operation, consistent airflow, and lower electricity use than a standard PSC motor. It is the correct factory replacement when the blower fails to start, hunts, or throws a motor fault.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: B13400704ABS\u003c\/li\u003e\n\u003cli\u003eHorsepower: 3\/4 HP (0.75 HP)\u003c\/li\u003e\n\u003cli\u003eMotor Type: Variable-speed ECM\u003c\/li\u003e\n\u003cli\u003eEquipment: Air Handler\u003c\/li\u003e\n\u003cli\u003eCompatible Model: WAHMV3137P4AAA\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman (also fits matching Amana air handlers)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis \u003cstrong\u003efactory OEM Goodman ECM motor\u003c\/strong\u003e ships pre-programmed with the airflow profile and module matched to your air handler. Generic ECM replacements often require separate modules, manual programming, or harness adapters and may not reproduce the original CFM tables. For plug-and-play accuracy and full warranty coverage, OEM is strongly recommended on variable-speed systems.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eAdvanced.\u003c\/strong\u003e Involves removing the blower assembly, transferring the wheel, matching the motor module\/harness, and confirming rotation and CFM taps. Budget 60–90 minutes. High-voltage and capacitive components are present — \u003cstrong\u003eprofessional HVAC installation is strongly recommended.\u003c\/strong\u003e Always disconnect power before servicing.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Direct Replacement","offer_id":63032428790131,"sku":"B13400704ABS-GEN","price":1205.95,"currency_code":"USD","in_stock":true},{"title":"OEM","offer_id":63048163688819,"sku":"B13400704ABS","price":1567.74,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-blower-motor-ecm-B13400704ABS_72dbbbe2-6419-4e5a-bae8-d511d16bf40a.jpg?v=1782945848","url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-3-4-hp-variable-speed-blower-motor-b13400704abs-1","provider":"National HVAC Parts","version":"1.0","type":"link"}