{"product_id":"high-output-alternator-for-gmc-yukon-xl-1500-2000-2002-5-3l-6-0l","title":"High Output Alternator for GMC Yukon XL 1500 (2000-2002) 5.3L 6.0L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Amp Heavy-Duty High Output Alternator for 2000-2002 GMC Yukon XL 1500 (GMT800)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The high output alternator replaces the low-amperage factory charging unit on the 2000-2002 GMC Yukon XL 1500 to deliver a stable 350 amps of current, preventing electrical voltage drop under heavy accessory and auxiliary loads.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock GMC Yukon XL 1500 Charging Limitations\u003c\/h3\u003e\n\u003cp\u003eFactory charging systems on the \u003cstrong\u003eGMT800\u003c\/strong\u003e platform typically utilize stock Delco alternators rated at 105 to 130 amps. When running modern aftermarket electrical demands—such as multi-channel audio amplifiers, high-draw winches, electric cooling fans, or onboard auxiliary lighting—the stock stator coils experience severe heat soak and rotor saturation. At engine idle, factory units suffer dramatic voltage drop down into the 11-12V range. This persistent undervoltage strains the internal diode bridge, causes premature battery sulfation, introduces voltage ripple, and triggers headlight flickering or intermittent electronic module resets.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis 350-amp direct-fit unit resolves OEM charging deficits utilizing heavy-gauge copper stator windings packed with tight fill factors to maximize electromagnetic efficiency. Engineered with premium balanced rotor assemblies and precision-ground, high-temperature sealed bearings, it prevents parasitic drag and bearing whine at high engine RPM. An integrated internal voltage regulator maintains constant system potential between 13.5V and 14.5V across all operating thermal ranges. The direct-bolt housing retains factory mounting geometry, OEM-spec pulley offset, and the factory wiring harness pinout for simple bolt-on installation without bracket fabrication.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 High Output Alternator (350 Amp, 12V, Internal Regulator)\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;\"\u003e2000-2002 GMC Yukon XL 1500\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;\"\u003e\n\u003cstrong\u003eVortec 5300 (LM7) \/ Vortec 6000 (LQ4)\u003c\/strong\u003e \/ \u003cstrong\u003eGMT800\u003c\/strong\u003e\n\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 hp \/ 325 lb-ft (5.3L); 320 hp \/ 365 lb-ft (6.0L)\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;\"\u003e\n\u003cstrong\u003e13860\u003c\/strong\u003e, \u003cstrong\u003e13860N\u003c\/strong\u003e, \u003cstrong\u003eAL8512X\u003c\/strong\u003e, \u003cstrong\u003eTG15S096\u003c\/strong\u003e, \u003cstrong\u003e6-004-ML0-024\u003c\/strong\u003e, \u003cstrong\u003e6004ML0024\u003c\/strong\u003e, \u003cstrong\u003e849021\u003c\/strong\u003e\n\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\u003e2000 GMC Yukon XL 1500 5.3L V8\u003c\/li\u003e\n  \u003cli\u003e2001 GMC Yukon XL 1500 5.3L V8\u003c\/li\u003e\n  \u003cli\u003e2002 GMC Yukon XL 1500 5.3L V8\u003c\/li\u003e\n  \u003cli\u003e2001 GMC Yukon XL 1500 6.0L 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 XL 1500?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2000-2002 GMC Yukon XL 1500 equipped with the \u003cstrong\u003eVortec 5.3L\u003c\/strong\u003e or \u003cstrong\u003e6.0L V8\u003c\/strong\u003e engines.\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to upgrade my charging cables when installing this 350-amp unit?\u003c\/h4\u003e\n\u003cp\u003eWhile this alternator utilizes the factory plug, completing a 'Big 3' electrical upgrade with 0-gauge power and ground wiring is highly recommended to safely pass the full 350-amp current capacity to the battery.\u003c\/p\u003e\n\n\u003ch3\u003eThe GMC Heavy-Duty Towing Caliber\u003c\/h3\u003e\n\u003cp\u003eBuilt for continuous duty and severe service environments, this heavy-duty unit supplies reliable voltage overhead whether hauling heavy cargo trailers, running extensive winch rigs, or idling long hours on remote worksites.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67898721239288,"sku":"DS-EQRVIQT3N","price":404.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/high-output-alternator-for-gmc-yukon-xl-1500-2000-2002-5-3l-6-0l-1.jpg?v=1793325996","url":"https:\/\/performancechiptuning.com\/de\/products\/high-output-alternator-for-gmc-yukon-xl-1500-2000-2002-5-3l-6-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}