{"product_id":"high-output-alternator-for-toyota-tundra-2011-2014-4-0l","title":"High Output Alternator for Toyota Tundra (2011-2014) 4.0L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Output 250-Amp Alternator for 2011-2014 Toyota Tundra (XK50)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The high-output alternator upgrades the charging system on the 2011-2014 Toyota Tundra to deliver a continuous 250 amps, preventing electrical voltage drop under heavy auxiliary loads and winching demands.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Toyota Tundra Electrical Bottleneck\u003c\/h3\u003e\n\u003cp\u003eFactory charging systems on the \u003cstrong\u003eXK50\u003c\/strong\u003e platform utilize a standard 100A to 130A Denso alternator. When running high-draw secondary loads—such as multi-channel audio amplifiers, auxiliary LED light bars, overland refrigeration, or recovery winches—the stock unit quickly suffers from thermal saturation and catastrophic voltage drop. At idle, factory charging falls below 12.8V, starving sensitive CAN-bus network modules, overworking the battery, and causing premature diode rectifier failure due to continuous high-duty-cycle heat buildup.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered as a direct bolt-in replacement for the \u003cstrong\u003e1GR-FE\u003c\/strong\u003e 4.0L V6, this heavy-duty 250-amp unit utilizes hairpin stator winding geometry and high-grade copper windings to maximize current transfer efficiency across the entire RPM range. Fitted with heavy-duty avalanche diodes, oversized premium bearings, and an internal bridge rectifier capable of managing severe heat dissipation, it delivers rock-solid 14.4V regulation even at low-RPM curb idle. Direct bolt-in fitment preserves factory belt alignment and OEM harness connectivity without custom brackets.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x 250-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;\"\u003e2011-2014 Toyota Tundra\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\u003e1GR-FE\u003c\/strong\u003e (4.0L V6) \/ \u003cstrong\u003eXK50\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;\"\u003e270 hp \/ 278 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;\"\u003e\n\u003cstrong\u003e104210-284\u003c\/strong\u003e, \u003cstrong\u003e104210-2840\u003c\/strong\u003e, \u003cstrong\u003e11517\u003c\/strong\u003e, \u003cstrong\u003e11517-250A\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\u003e2011 Toyota Tundra 4.0L V6\u003c\/li\u003e\n  \u003cli\u003e2012 Toyota Tundra 4.0L V6\u003c\/li\u003e\n  \u003cli\u003e2013 Toyota Tundra 4.0L V6\u003c\/li\u003e\n  \u003cli\u003e2014 Toyota Tundra 4.0L V6\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 XK50 Tundra?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2011-2014 Toyota Tundra equipped with the \u003cstrong\u003e1GR-FE\u003c\/strong\u003e 4.0L V6 engine.\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to upgrade my main charging cables?\u003c\/h4\u003e\n\u003cp\u003eYes, running a \"Big 3\" or \"Big 4\" wiring upgrade using 1\/0 AWG cabling is strongly recommended to handle 250A safely and eliminate ground-side resistance.\u003c\/p\u003e\n\n\u003ch3\u003eThe Toyota Caliber\u003c\/h3\u003e\n\u003cp\u003eBuilt to match the demanding commercial and hauling requirements of the \u003cstrong\u003eXK50\u003c\/strong\u003e platform, this high-output unit ensures consistent electrical output and long-term durability whether you are towing heavy payloads or powering high-amperage accessories off-grid.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67565873365240,"sku":"DS-EQ8MCY98K","price":249.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/high-output-alternator-for-toyota-tundra-2011-2014-4-0l-1.jpg?v=1791077259","url":"https:\/\/performancechiptuning.com\/products\/high-output-alternator-for-toyota-tundra-2011-2014-4-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}