{"title":"F-550 Super Duty","description":null,"products":[{"product_id":"1999-2008-ford-f-550-super-duty-6-8l-250-320-370-400amp-high-output-alternator","title":"1999-2008 Ford F-550 Super Duty V10 6.8L High Output Alternator","description":"\u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1999-2008 Ford F-550 Super Duty 6.8L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a 14.8 Volt GM Style Internal Regulator with pigtail plug. This alternator is not plug-and-play and must be wired with a pigtail plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cmeta charset=\"utf-8\"\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cstrong\u003eView our Regulator Options Here. \u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits?_pos=1\u0026amp;_psq=big+3\u0026amp;_ss=e\u0026amp;_v=1.0\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":43282721472688,"sku":"7764-F-550-Super-Duty-1999-2008-6.8L-250-6003P","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":43282721505456,"sku":"7764-F-550-Super-Duty-1999-2008-6.8L-320-6003P","price":449.0,"currency_code":"USD","in_stock":true},{"title":"370 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":43282721538224,"sku":"7764-F-550-Super-Duty-1999-2008-6.8L-370-6003P","price":499.0,"currency_code":"USD","in_stock":true},{"title":"400 amp alternator \/ 6-Rib Serpentine Pulley","offer_id":43282721570992,"sku":"7764-F-550-Super-Duty-1999-2008-6.8L-400-6003P","price":559.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 7-Rib Serpentine Pulley","offer_id":43282721603760,"sku":"7764-F-550-Super-Duty-1999-2008-6.8L-250-6003P","price":399.0,"currency_code":"USD","in_stock":true},{"title":"250 amp alternator \/ 8-Rib Serpentine Pulley","offer_id":43282721636528,"sku":"7764-F-550-Super-Duty-1999-2008-6.8L-250-6003P","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 7-Rib Serpentine Pulley","offer_id":43282721669296,"sku":"7764-F-550-Super-Duty-1999-2008-6.8L-320-6003P","price":449.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator \/ 8-Rib Serpentine Pulley","offer_id":43282721702064,"sku":"7764-F-550-Super-Duty-1999-2008-6.8L-320-6003P","price":449.0,"currency_code":"USD","in_stock":true},{"title":"370 amp alternator \/ 7-Rib Serpentine Pulley","offer_id":43282721734832,"sku":"7764-F-550-Super-Duty-1999-2008-6.8L-370-6003P","price":499.0,"currency_code":"USD","in_stock":true},{"title":"370 amp alternator \/ 8-Rib Serpentine Pulley","offer_id":43282721767600,"sku":"7764-F-550-Super-Duty-1999-2008-6.8L-370-6003P","price":499.0,"currency_code":"USD","in_stock":true},{"title":"400 amp alternator \/ 7-Rib Serpentine Pulley","offer_id":43282721800368,"sku":"7764-F-550-Super-Duty-1999-2008-6.8L-400-6003P","price":559.0,"currency_code":"USD","in_stock":true},{"title":"400 amp alternator \/ 8-Rib Serpentine Pulley","offer_id":43282721833136,"sku":"7764-F-550-Super-Duty-1999-2008-6.8L-400-6003P","price":559.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/rabbit-ear-lg-6003-angle_e2a58dcb-5073-451e-b9db-d0268ed81592.png?v=1711059396"},{"product_id":"1999-2003-ford-f-550-super-duty-7-3l-250-320-370-400amp-high-output-alternator","title":"1999-2003 Ford F-550 Super Duty V8 7.3L High Output Alternator","description":"\u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 1999-2003 Ford F-550 Super Duty 7.3L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a 14.8 Volt GM Style Internal Regulator with pigtail plug. This alternator is not plug-and-play and must be wired with a pigtail plug.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cmeta charset=\"utf-8\"\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cstrong\u003eView our Regulator Options Here. \u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits?_pos=1\u0026amp;_psq=big+3\u0026amp;_ss=e\u0026amp;_v=1.0\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator","offer_id":43282722095280,"sku":"8316-F-550-Super-Duty-1999-2003-7.3L-250-6003P-s8","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator","offer_id":43282722128048,"sku":"8316-F-550-Super-Duty-1999-2003-7.3L-320-6003P-s8","price":449.0,"currency_code":"USD","in_stock":true},{"title":"370 amp alternator","offer_id":43282722160816,"sku":"8316-F-550-Super-Duty-1999-2003-7.3L-370-6003P-s8","price":499.0,"currency_code":"USD","in_stock":true},{"title":"400 amp alternator","offer_id":43282722193584,"sku":"8316-F-550-Super-Duty-1999-2003-7.3L-400-6003P-s8","price":559.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/lgpadmount-angle_fa7ce2b6-e29e-463c-bc5c-5b8f59369a02.jpg?v=1711060794"},{"product_id":"2003-ford-f-550-super-duty-6-0l-250-320-370-400amp-high-output-alternator","title":"2003 Ford F-550 Super Duty V8 6.0L High Output Alternator (Primary)","description":"\u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n                  \u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 2003 Ford F-550 Super Duty 6.0L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n                  \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n                  \u003cp\u003e\u003cem\u003eThis high-output alternator comes with a 14.8 Volt GM Style Internal Regulator with pigtail plug. This alternator is not plug-and-play and must be wired with a pigtail plug.\u003c\/em\u003e\u003c\/p\u003e\n                  \u003cp\u003e\u003cem\u003e\u003cmeta charset=\"utf-8\"\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here. \u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n                  \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n                  \u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n                  \u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n                  \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n                  \u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits?_pos=1\u0026amp;_psq=big+3\u0026amp;_ss=e\u0026amp;_v=1.0\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n                  \u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator","offer_id":43282727600304,"sku":"8306-F-550-Super-Duty-2003-6.0L-250-6003P-s8","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator","offer_id":43282727633072,"sku":"8306-F-550-Super-Duty-2003-6.0L-320-6003P-s8","price":449.0,"currency_code":"USD","in_stock":true},{"title":"370 amp alternator","offer_id":43282727665840,"sku":"8306-F-550-Super-Duty-2003-6.0L-370-6003P-s8","price":499.0,"currency_code":"USD","in_stock":true},{"title":"400 amp alternator","offer_id":43282727698608,"sku":"8306-F-550-Super-Duty-2003-6.0L-400-6003P-s8","price":559.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/lgpadmount-angle_915caa14-953c-447a-a739-ea8c15f76bb2.jpg?v=1711059571"},{"product_id":"2008-2010-ford-f-550-super-duty-6-4l-250-320-370-400amp-high-output-alternator","title":"2008-2010 Ford F-550 Super Duty V8 6.4L High Output Alternator","description":"\u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n                  \u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 2008-2010 Ford F-550 Super Duty 6.4L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n                  \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n                  \u003cp\u003e\u003cem\u003eThis high-output alternator comes with a factory style plug so that your OEM plug will plug directly into the alternator. Therefore, with an OEM style regulator, it will have a factory voltage set point.\u003c\/em\u003e\u003c\/p\u003e\n                  \u003cp\u003e\u003cem\u003e\u003cmeta charset=\"utf-8\"\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cstrong\u003eView our Regulator Options Here. \u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n                  \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n                  \u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n                  \u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n                  \u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n                  \u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits?_pos=1\u0026amp;_psq=big+3\u0026amp;_ss=e\u0026amp;_v=1.0\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n                  \u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator","offer_id":43282728288432,"sku":"11290-F-550-Super-Duty-2008-2010-6.4L-250-9801-337-s8","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator","offer_id":43282728321200,"sku":"11290-F-550-Super-Duty-2008-2010-6.4L-320-9801-337-s8","price":449.0,"currency_code":"USD","in_stock":true},{"title":"370 amp alternator","offer_id":43282728353968,"sku":"11290-F-550-Super-Duty-2008-2010-6.4L-370-9801-337-s8","price":499.0,"currency_code":"USD","in_stock":true},{"title":"400 amp alternator","offer_id":43282728386736,"sku":"11290-F-550-Super-Duty-2008-2010-6.4L-400-9801-337-s8","price":559.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/lgpadmount-angle_6b8c2d20-5ebb-43d6-9bb8-c34d7efc3258.jpg?v=1711060246"},{"product_id":"2009-2019-ford-f-550-super-duty-6-8l-250-320-370-400amp-high-output-alternator","title":"2009-2019 Ford F-550 Super Duty V10 6.8L High Output Alternator","description":"\u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 2009-2019 Ford F-550 Super Duty 6.8L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a factory style plug so that your OEM plug will plug directly into the alternator. Therefore, with an OEM style regulator, it will have a factory voltage set point.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cmeta charset=\"utf-8\"\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cstrong\u003eView our Regulator Options Here. \u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a smaller pulley, which causes it to spin faster than a larger pulley. This can help the alternator produce its maximum output. With a smaller pulley, it is required to install a 1\/2\" - 1\" shorter belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/need-help-finding-shorter-belt-for-your-jsalternators-high-output-alternator\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cspan underline=\"\" text-decoration:=\"\"\u003e\u003cstrong\u003eSee this Blog Article for assistance in finding the correct shorter belt.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan text-decoration:=\"\" underline=\"\"\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits?_pos=1\u0026amp;_psq=big+3\u0026amp;_ss=e\u0026amp;_v=1.0\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator","offer_id":43282729107632,"sku":"11293-F-550-Super-Duty-2009-2019-6.8L-250-9801-337-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator","offer_id":43282729140400,"sku":"11293-F-550-Super-Duty-2009-2019-6.8L-320-9801-337-s6","price":449.0,"currency_code":"USD","in_stock":true},{"title":"370 amp alternator","offer_id":43282729173168,"sku":"11293-F-550-Super-Duty-2009-2019-6.8L-370-9801-337-s6","price":499.0,"currency_code":"USD","in_stock":true},{"title":"400 amp alternator","offer_id":43282729205936,"sku":"11293-F-550-Super-Duty-2009-2019-6.8L-400-9801-337-s6","price":559.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/rabbit-ear-lg-337-angle_c644bff8-8381-4b8f-a34e-de5f23452fef.png?v=1711059188"},{"product_id":"2011-2022-ford-f-550-super-duty-6-7l-250-320-370-400amp-high-output-alternator","title":"2011-2022 Ford F-550 Super Duty V8 6.7L High Output Alternator (Dual Alt\/Lower Only)","description":"\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 2011-2022 Ford F-550 Super Duty 6.7L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a factory style plug so that your OEM plug will plug directly into the alternator. Therefore, with an OEM style regulator, it will have a factory voltage set point.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cmeta charset=\"utf-8\"\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cstrong\u003eView our Regulator Options Here. \u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a 54mm pulley in which you will use factory belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits?_pos=1\u0026amp;_psq=big+3\u0026amp;_ss=e\u0026amp;_v=1.0\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator","offer_id":43282730188976,"sku":"11627-F-550-Super-Duty-2011-2022-6.7L-250-9801-337-54mms8","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator","offer_id":43282730221744,"sku":"11627-F-550-Super-Duty-2011-2022-6.7L-320-9801-337-54mms8","price":449.0,"currency_code":"USD","in_stock":true},{"title":"370 amp alternator","offer_id":43282730254512,"sku":"11627-F-550-Super-Duty-2011-2022-6.7L-370-9801-337-54mms8","price":499.0,"currency_code":"USD","in_stock":true},{"title":"400 amp alternator","offer_id":43282730287280,"sku":"11627-F-550-Super-Duty-2011-2022-6.7L-400-9801-337-54mms8","price":559.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/11237-splitear-angle-337_98ac0b6b-2dcc-4e40-ae3f-402c82fabbb0.png?v=1711060523"},{"product_id":"2011-2022-ford-f-550-super-duty-6-7l-250-320amp-high-output-alternator","title":"2011-2022 Ford F-550 Super Duty V8 6.7L High Output Alternator (Single Alt Only)","description":"\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis is a direct fit high-output alternator for the 2011-2022 Ford F-550 Super Duty 6.7L. Being a direct fit, this alternator fits directly into your stock alternator location.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePlug:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis high-output alternator comes with a factory style plug so that your OEM plug will plug directly into the alternator. Therefore, with an OEM style regulator, it will have a factory voltage set point.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cmeta charset=\"utf-8\"\u003eNOTE: If you require charging at a certain voltage setpoint, we offer a selection of different voltage regulators that you will need to purchase with the alternator for it to be installed. \u003ca href=\"https:\/\/js-alternators.com\/collections\/regulators\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cstrong\u003eView our Regulator Options Here. \u003c\/strong\u003e\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePulley:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis alternator also comes with a 54mm pulley in which you will use factory belt.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBig 3 Wiring:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eWhen Upgrading to a High-Output Alternator, it is required to upgrade your wiring with the \u003ca href=\"https:\/\/js-alternators.com\/products\/big-3-wiring-upgrade-kits?_pos=1\u0026amp;_psq=big+3\u0026amp;_ss=e\u0026amp;_v=1.0\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eBig 3 Wiring Upgrade Kit\u003c\/a\u003e. It is recommended to use 1\/0 100% copper wires for the upgrade. Our Big 3 Wiring Upgrade Kit is 10% off with a purchase of a JS Alternator; use code \u003cstrong\u003eBIG3DISCOUNT\u003c\/strong\u003e at checkout.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/js-alternators.com\/blogs\/blog\/big-3-wiring-upgrade-kits\"\u003e\u003cem\u003eLearn Why The Big 3 Wiring Upgrade Kit is Required for All High Output Alternators\u003c\/em\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"JS Alternators","offers":[{"title":"250 amp alternator","offer_id":43282730778800,"sku":"11622-F-550-Super-Duty-2011-2022-6.7L-250-9801-337-54mms8","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator","offer_id":43282730811568,"sku":"11622-F-550-Super-Duty-2011-2022-6.7L-320-9801-337-54mms8","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/4866\/6800\/files\/11237-splitear-angle-337_6782e3b9-ece9-4504-99c9-3efa5d4d1b6c.png?v=1711060667"}],"url":"https:\/\/jsalternatorsdealers.com\/collections\/f-550-super-duty\/ford.oembed","provider":"JS Alternators","version":"1.0","type":"link"}