{"product_id":"high-output-alternator-for-dodge-durango-2007-2009-3-7l","title":"High Output Alternator for Dodge Durango (2007-2009) 3.7L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Output 250-Amp Alternator for 2007-2009 Dodge Durango (HB)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The 250-Amp High Output Alternator replaces the low-output factory charging unit on the 2007-2009 Dodge Durango to stabilize system voltage and provide continuous high-amperage current for heavy electrical accessories.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Dodge Durango Charging Weakness\u003c\/h3\u003e\n\u003cp\u003eFactory OEM alternators installed on the \u003cstrong\u003eHB\u003c\/strong\u003e platform Durango equipped with the \u003cstrong\u003e3.7L PowerTech\u003c\/strong\u003e V6 are typically rated for 136 to 160 amps. While sufficient for baseline factory accessories, this leaves virtually zero headroom for auxiliary lights, audio amplifiers, winches, or inverters. Under sustained electrical demand or hot idle conditions, factory rectifiers suffer heat soak, causing severe voltage drops down into battery resting levels (sub-12.6V). This constant thermal strain degrades internal diodes, prematurely burns brushes, and induces electrical brownouts across sensitive PCM circuits.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered for sustained heavy-duty electrical delivery, this 250-amp alternator features precision heavy-gauge copper stator windings and an upgraded internal rectifier utilizing high-temperature avalanche diodes to resist thermal runaway. Built in a direct-mount housing matching original serpentine geometry, this unit maintains constant 14.2V-14.7V charging output even under heavy draw. The balanced high-speed rotor design prevents brush float at higher engine RPM while significantly improving low-RPM idle amperage generation over OE part numbers like \u003cstrong\u003e56029914AD\u003c\/strong\u003e and \u003cstrong\u003eAL6472X\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1x 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;\"\u003e2007-2009 Dodge Durango\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;\"\u003e3.7L PowerTech V6 \/ HB\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;\"\u003e210 hp \/ 235 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;\"\u003eAL6472X, 56029914AD, 421000-0470, 210-0631, 11240, 11240R, 11240N, 15694\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 Dodge Durango 3.7L V6 (HB Chassis)\u003c\/li\u003e\n  \u003cli\u003e2008 Dodge Durango 3.7L V6 (HB Chassis)\u003c\/li\u003e\n  \u003cli\u003e2009 Dodge Durango 3.7L V6 (HB Chassis)\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 HB Durango?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2007-2009 Dodge Durango equipped with the \u003cstrong\u003e3.7L PowerTech\u003c\/strong\u003e engine. \u003cstrong\u003eThis alternator is engineered specifically for the 3.7L V6 and will not bolt up to 4.7L or 5.7L V8 engine accessory brackets.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to upgrade my charging cables?\u003c\/h4\u003e\n\u003cp\u003eA 0-gauge or 4-gauge \"Big 3\" wiring upgrade from the alternator positive terminal to the battery and chassis ground is strongly recommended to safely utilize the 250-amp output without bottlenecking circuit flow.\u003c\/p\u003e\n\n\u003ch3\u003eThe Dodge Durability Standard\u003c\/h3\u003e\n\u003cp\u003eManufactured to withstand severe mechanical vibration, towing demands, and all-weather engine bay conditions, this unit delivers uninterrupted electrical overhead for dependable utility and heavy-load performance.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67565915832568,"sku":"DS-EQZ3Z463H","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-dodge-durango-2007-2009-3-7l-1.jpg?v=1791078716","url":"https:\/\/performancechiptuning.com\/fr\/products\/high-output-alternator-for-dodge-durango-2007-2009-3-7l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}