{"product_id":"high-output-alternator-for-gmc-yukon-2005-2006-4-8l-5-3l","title":"High Output Alternator for GMC Yukon (2005-2006) 4.8L 5.3L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Amp 300A Alternator for 2005-2006 GMC Yukon (GMT800)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The 300-Amp High Output Alternator replaces the low-output factory charging unit on the 2005-2006 Yukon to supply continuous, ripple-free 14.4V direct current under heavy secondary electrical loads.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock GMC Yukon Charging Deficit\u003c\/h3\u003e\n\u003cp\u003eFactory \u003cstrong\u003eGMT800\u003c\/strong\u003e charging systems shipped with modest 105-amp or 145-amp units engineered solely for base cabin electronics. When auxiliary lighting, commercial plows, heavy audio builds, or electric recovery winches are introduced, the OEM stators encounter severe thermal saturation. High underhood ambient temperatures rapidly induce heat soak within the factory internal diodes, precipitating substantial idle voltage sag below 12.6V, chronic battery discharge, and intermittent powertrain control module (PCM) communication faults.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eManufactured in the USA, this high-output direct-replacement unit features heavy-gauge copper hairpin stator windings and a precision-balanced rotor designed to maximize low-RPM output and thermal endurance. A heavy-duty internal bridge rectifier packed with high-capacity avalanche diodes manages peak transient voltage, preventing diode blowout. Dual high-efficiency internal cooling fans optimize continuous convective airflow through the housing, keeping stator operating temperatures safely within spec even under prolonged heavy loads.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1x 300-Amp High Output 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;\"\u003e2005-2006 GMC Yukon\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 4800 (LR4), Vortec 5300 (LM7\/L59) \/ GMT800\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;\"\u003e285-295 hp \/ 295-335 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;\"\u003e0-124-525-104, AL8782N, AL8782X, 10371020, 15128978, 15200269, 11075, 11075N, 11075-300\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\u003e2005-2006 GMC Yukon 4.8L V8\u003c\/li\u003e\n  \u003cli\u003e2005-2006 GMC Yukon 5.3L V8\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 GMT800 Yukon?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct bolt-in fit for the 2005-2006 GMC Yukon equipped with the \u003cstrong\u003eVortec 4800 LR4\u003c\/strong\u003e or \u003cstrong\u003eVortec 5300 LM7\/L59\u003c\/strong\u003e V8 engines.\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to upgrade my charging cables?\u003c\/h4\u003e\n\u003cp\u003eA 1\/0 or 4-gauge \"Big 3\" charging wire upgrade with an inline fuse is mandatory to handle 300 amps without excessive circuit resistance.\u003c\/p\u003e\n\n\u003ch3\u003eThe GMC Heavy-Duty Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered for full-size SUVs tasked with heavy towing and remote utility, this alternator maintains rock-solid charging voltage to safeguard starter torque and critical auxiliary equipment.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67565719847160,"sku":"DS-EFZ55GX2U","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-yukon-2005-2006-4-8l-5-3l-1.jpg?v=1791072375","url":"https:\/\/performancechiptuning.com\/fr\/products\/high-output-alternator-for-gmc-yukon-2005-2006-4-8l-5-3l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}