{"product_id":"es1001bk-af42701100-12v-alternator-1-groove-for-gm-327-350-396-427-454-1971-1986","title":"ES1001BK AF42701100 12V Alternator 1 Groove for GM 327 350 396 427 454 1971-1986","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis aftermarket replacement alternator is listed for GM 327, 350, 396, 427, and 454 applications from 1971-1986 and references part number ES1001BK and AF42701100. An alternator generates electrical current to charge the battery and supply the vehicle electrical system while the engine is running.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAlternator role is to produce electrical current for battery charging and vehicle electrical loads\u003c\/li\u003e\n\u003cli\u003e12V configuration as stated in the title\u003c\/li\u003e\n\u003cli\u003eOne-groove pulley arrangement as described in the listing\u003c\/li\u003e\n\u003cli\u003eCross-references part numbers ES1001BK and AF42701100 for comparison with the existing unit\u003c\/li\u003e\n\u003cli\u003eSupplied for replacement of the corresponding alternator when the original component has failed\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003efor GM 327 applications from 1971-1986\u003c\/li\u003e\n\u003cli\u003efor GM 350 applications from 1971-1986\u003c\/li\u003e\n\u003cli\u003efor GM 396 applications from 1971-1986\u003c\/li\u003e\n\u003cli\u003efor GM 427 applications from 1971-1986\u003c\/li\u003e\n\u003cli\u003efor GM 454 applications from 1971-1986\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn, damaged, or malfunctioning alternator\u003c\/li\u003e\n\u003cli\u003eServicing the charging system during routine maintenance\u003c\/li\u003e\n\u003cli\u003eRestoring normal charging function after the original alternator has failed\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Alternator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e ES1001BK, AF42701100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePulley:\u003c\/strong\u003e 1 Groove\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Application(s):\u003c\/strong\u003e GM 327, 350, 396, 427, 454\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral Application:\u003c\/strong\u003e 1971-1986\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What does an alternator do? \u003cstrong\u003eA:\u003c\/strong\u003e It generates electrical current while the engine runs to charge the battery and power the vehicle electrical system.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How should fitment be verified? \u003cstrong\u003eA:\u003c\/strong\u003e Compare the complete part numbers ES1001BK and AF42701100 with the existing alternator and confirm the full engine designation and year match the listed application.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eThis is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":67947051942161,"sku":"ZZ3V00515","price":195.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/s-l1600_1c9366cb-8562-46ff-97fa-3cddf40bc5a2.jpg?v=1793694389","url":"https:\/\/www.duraforce.com\/products\/es1001bk-af42701100-12v-alternator-1-groove-for-gm-327-350-396-427-454-1971-1986","provider":"DURAFORCE","version":"1.0","type":"link"}