{"product_id":"2003-2007-chevrolet-silverado-3500-v8-8-1l-high-output-alternator","title":"2003-2007 Chevrolet Silverado 3500 V8 8.1L 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 2003-2007 Chevrolet Silverado 3500 8.1L. 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\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.\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"big-jeff-regulator-options\"\u003e\u003cstrong\u003eIndividual regulator options (verify compatibility and charging voltage):\u003c\/strong\u003e \u003ca href=\"https:\/\/bigjeffaudio.com\/products\/14-8v-internal-regulator-with-pigtail-plug\"\u003e14.8V Internal (Pigtail)\u003c\/a\u003e | \u003ca href=\"https:\/\/bigjeffaudio.com\/products\/14-8v-self-excite-regulator\"\u003e14.8V Self-Excite\u003c\/a\u003e | \u003ca href=\"https:\/\/bigjeffaudio.com\/products\/15-5-volt-regulator-only-for-charging-lithium-over-15volts-not-for-agm-battery-use\"\u003e15.5V Lithium\u003c\/a\u003e | \u003ca href=\"https:\/\/bigjeffaudio.com\/products\/16-volt-regulator-only-for-charging-lithium-to-16-volts-not-for-agm-battery-use\"\u003e16V Lithium\u003c\/a\u003e | \u003ca href=\"https:\/\/bigjeffaudio.com\/products\/gm-1-wire-regulator\"\u003eGM 1-Wire\u003c\/a\u003e\u003c\/span\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:\/\/bigjeffaudio.com\/pages\/help-center?hcUrl=%2Fen-US%2Fhow-to-find-the-correct-serpentine-belt-for-your-js-alternators-high-output-alternator-9059203\"\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 Big 3 Wiring Upgrade Kit (choose a cable length: \u003ca href=\"https:\/\/bigjeffaudio.com\/products\/universal-big-3-wiring-upgrade-kit-4ft-1-0-positive-1-4ft-1-0-ground-1-3ft-1-0-ground\"\u003e4ft 1\/0 positive cable kit\u003c\/a\u003e \/ \u003ca href=\"https:\/\/bigjeffaudio.com\/products\/universal-big-3-wiring-upgrade-kit-6ft-1-0-positive-1-4ft-1-0-ground-1-3ft-1-0-ground\"\u003e6ft 1\/0 positive cable kit\u003c\/a\u003e \/ \u003ca href=\"https:\/\/bigjeffaudio.com\/products\/universal-big-3-wiring-upgrade-kit-10-5ft-1-0-positive-1-4ft-1-0-ground-1-3ft-1-0-ground\"\u003e10.5ft 1\/0 positive cable kit\u003c\/a\u003e \/ \u003ca href=\"https:\/\/bigjeffaudio.com\/products\/universal-big-3-wiring-upgrade-kit-20ft-2-0-positive-1-4ft-1-0-ground-1-3ft-1-0-ground\"\u003e20ft 2\/0 positive cable kit\u003c\/a\u003e). It is recommended to use 1\/0 100% copper wires for the upgrade. \u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/bigjeffaudio.com\/pages\/help-center?hcUrl=%2Fen-US%2Fwhy-you-need-a-big-3-wiring-upgrade-with-a-high-output-alternator-9059209\"\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\n\u003cp\u003e\u003ca href=\"https:\/\/bigjeffaudio.com\/pages\/help-center?hcUrl=%2Fen-US%2Fhow-to-choose-the-right-high-output-alternator-for-your-car-audio-system-9059409\" rel=\"noopener noreferrer\" target=\"_blank\"\u003e\u003cstrong\u003eHow to Choose the Right High-Output Alternator for Your Car Audio System\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n","brand":"JS Alternators","offers":[{"title":"250 amp alternator","offer_id":67673374818552,"sku":"8292-Silverado-3500-2003-2007-8.1L-250-104e-s6","price":399.0,"currency_code":"USD","in_stock":true},{"title":"320 amp alternator","offer_id":67673374851320,"sku":"8292-Silverado-3500-2003-2007-8.1L-320-104e-s6","price":449.0,"currency_code":"USD","in_stock":true},{"title":"370 amp alternator","offer_id":67673374884088,"sku":"8292-Silverado-3500-2003-2007-8.1L-370-104e-s6","price":499.0,"currency_code":"USD","in_stock":true},{"title":"400 amp alternator","offer_id":67673374916856,"sku":"8292-Silverado-3500-2003-2007-8.1L-400-104e-s6","price":559.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0029\/9384\/8365\/files\/1-14009-6003-angle_3b25eb2c-350e-42eb-88fc-ee0ad3ae2a24.png?v=1792017922","url":"https:\/\/bigjeffaudio.com\/products\/2003-2007-chevrolet-silverado-3500-v8-8-1l-high-output-alternator","provider":"Big Jeff Online Inc","version":"1.0","type":"link"}