{"product_id":"12v-275a-externally-regulated-isolated-ground-49mm-k6-pulley","title":"12V 275A Externally Regulated, Isolated Ground, 49mm K6 Pulley [PN#'s 4021 \u0026 4023]","description":"\u003cdiv class=\"otQkpb\" role=\"heading\"\u003e\u003cspan\u003e\u003cspan style=\"text-decoration: underline; color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e! This alternator comes in two different mounting footprints so make sure to select the correct type in variants at the bottom of this section.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"otQkpb\" role=\"heading\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"otQkpb\" role=\"heading\"\u003e\n\u003cdiv class=\"otQkpb\" role=\"heading\"\u003e\u003cstrong\u003eMounting Configurations:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"Fsg96\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"AdPoic\" role=\"heading\"\u003e\u003cstrong\u003eModel A (Dual Foot 3.15\")\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul class=\"KsbFXc U6u95\"\u003e\n\u003cli class=\"Z1qcYe\"\u003e\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eMounting Style\u003c\/strong\u003e: 3.15-inch dual-foot saddle configuration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eTerminal Placement\u003c\/strong\u003e: Rear-facing heavy-duty battery connection post\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eCommon Compatibility\u003c\/strong\u003e: Directly fits standard Yanmar marine engine footprints\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"Fsg96\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"AdPoic\" role=\"heading\"\u003e\u003cstrong\u003eModel B (Dual Foot 4.00\")\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul class=\"KsbFXc U6u95\"\u003e\n\u003cli class=\"Z1qcYe\"\u003e\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eMounting Style\u003c\/strong\u003e: 4.00-inch J180-style saddle configuration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eTerminal Placement\u003c\/strong\u003e: Side-mounted battery connection post for tight clearance areas\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eCommon Compatibility\u003c\/strong\u003e: Fits standard heavy-duty commercial marine and industrial engines\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"otQkpb\" role=\"heading\"\u003e\u003cspan\u003e\u003cstrong\u003e49mm K6 Pulley\u003c\/strong\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"otQkpb\" role=\"heading\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"otQkpb\" role=\"heading\"\u003e\u003cstrong\u003eHigh-Output Marine Alternator (12V \/ 275A)\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\"\u003eThis heavy-duty alternator is engineered for high-demand marine and RV electrical systems. It provides exceptional charging performance at idle and low engine speeds. The unit features advanced electrical isolation and premium cooling to manage sustained high-amperage output safely.\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"n6owBd awi2gc\"\u003eWe recommend getting the \u003ca href=\"https:\/\/admin.shopify.com\/store\/81399c-69\/products\/8905682026519\" title=\"ARCO ZEUS Regulator Kit\" rel=\"noopener\" target=\"_blank\"\u003eZEUS OMEGA Regulator Kit\u003c\/a\u003e to control and regulate your alternator for maximum charging efficiency.\u003c\/div\u003e\n\u003cdiv class=\"Fsg96\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"otQkpb\" role=\"heading\"\u003e\u003cstrong\u003eTechnical Performance\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul class=\"KsbFXc U6u95\"\u003e\n\u003cli class=\"Z1qcYe\"\u003e\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eAmperage Output\u003c\/strong\u003e: 275 Amps maximum capability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eSystem Voltage\u003c\/strong\u003e: 12 Volts nominal operation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eDrive Configuration\u003c\/strong\u003e: 49mm K6 six-groove serpentine pulley\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eShaft Diameter\u003c\/strong\u003e: 17mm heavy-duty drive shaft\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"Fsg96\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"otQkpb\" role=\"heading\"\u003e\u003cstrong\u003eAdvanced Electrical Design\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul class=\"KsbFXc U6u95\"\u003e\n\u003cli class=\"Z1qcYe\"\u003e\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eExternal Regulation\u003c\/strong\u003e: Requires an external smart regulator to optimize battery charging profiles.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eIsolated Ground\u003c\/strong\u003e: Separates system negative from the engine block to eliminate stray current corrosion.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\"\u003e\u003cspan class=\"iNqyIf\"\u003e\u003cstrong class=\"rQesXe MPyX\"\u003eHull Protection\u003c\/strong\u003e: Essential safely feature for aluminum, steel, and advanced composite vessels.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Arco","offers":[{"title":"DF315 Rear Post","offer_id":45379712909335,"sku":"ARC4021","price":1096.7,"currency_code":"USD","in_stock":true},{"title":"DF4 Side Post","offer_id":45379712942103,"sku":"ARC4023","price":1096.7,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/7157\/1735\/files\/275A.png?v=1786123848","url":"https:\/\/shop.pelagic-power.com\/products\/12v-275a-externally-regulated-isolated-ground-49mm-k6-pulley","provider":"Pelagic Power LLC","version":"1.0","type":"link"}