{"product_id":"high-output-alternator-for-gmc-sierra-2007-2013-4-3l-4-8l-5-3l-6-0l-6-2l","title":"High Output Alternator for GMC Sierra (2007-2013) 4.3L 4.8L 5.3L 6.0L 6.2L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Output 300A Alternator for 2007-2013 GMC Sierra (GMT900)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The 300 Amp High Output Alternator replaces the factory charging unit on the 2007-2013 GMC Sierra to eliminate electrical voltage drop under heavy auxiliary loads and deliver sustained charging current at idle.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock GMC Sierra Charging System Limitation\u003c\/h3\u003e\n\u003cp\u003eFactory \u003cstrong\u003eGMT900\u003c\/strong\u003e platform alternators—typically 145A or 160A OEM units like \u003cstrong\u003e15093928\u003c\/strong\u003e and \u003cstrong\u003e25877026\u003c\/strong\u003e—rapidly reach their thermal threshold when supporting snowplows, winches, power inverters, or aftermarket lighting. Under continuous high-amperage draw, OEM stator windings generate excessive heat that triggers thermal throttling, dropping system potential below 12.8V and causing battery starvation, erratic module behavior, and dimming interior electronics at low engine RPMs.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered for high-demand duty cycles, this Made-in-USA 300-amp unit features heavy-gauge copper windings, premium dual-internal cooling fans, and a high-temperature avalanche diode rectifier bridge to eliminate heat soak. Designed for precise integration with GM's 2-pin Regulated Voltage Control (RVC) architecture, it supplies upwards of 160A at idle and 300A peak output across the \u003cstrong\u003eVortec\u003c\/strong\u003e powertrain lineup. Direct bolt-on OE case dimensions match factory bracket geometry for a direct fitment without belt misalignment.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1x 300 Amp Alternator\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; min-width: 300px;\"\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e2007-2013 GMC Sierra\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eVortec (4.3L, 4.8L, 5.3L, 6.0L, 6.2L) \/ GMT900\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e195 - 403 hp \/ 260 - 417 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e8301, 8301N, 15093928, 15857608, 15095871, 25877026, 8301-300A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2007-2013 GMC Sierra 4.3L\u003c\/li\u003e\n  \u003cli\u003e2007-2013 GMC Sierra 4.8L\u003c\/li\u003e\n  \u003cli\u003e2007-2013 GMC Sierra 5.3L\u003c\/li\u003e\n  \u003cli\u003e2007-2013 GMC Sierra 6.0L\u003c\/li\u003e\n  \u003cli\u003e2007-2013 GMC Sierra 6.2L\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the GMT900 Sierra?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2007-2013 GMC Sierra equipped with the Vortec engine family.\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to upgrade my main power wiring?\u003c\/h4\u003e\n\u003cp\u003eA 1\/0 AWG Big 3 wiring upgrade is strongly recommended to safely carry 300 amps without resistance bottlenecks.\u003c\/p\u003e\n\n\u003ch3\u003eThe GMC Truck Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered for extreme towing duty, utility beds, and demanding job sites, this high-output unit supplies relentless current stability to preserve the service life of your Sierra's electrical network.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67565574717688,"sku":"DS-EB42KT9M7","price":350.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/high-output-alternator-for-gmc-sierra-2007-2013-4-3l-4-8l-5-3l-6-0l-6-2l-1.jpg?v=1791069044","url":"https:\/\/performancechiptuning.com\/es\/products\/high-output-alternator-for-gmc-sierra-2007-2013-4-3l-4-8l-5-3l-6-0l-6-2l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}