{"product_id":"alternator-for-aston-martin-db9-2005-2012-6-0l","title":"Alternator for Aston Martin DB9 (2005-2012) 6.0L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Output 200A Replacement Alternator for 2005-2012 Aston Martin DB9 (VH Platform)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The 200-amp replacement alternator restores reliable charging system capacity to the 2005-2012 Aston Martin DB9 to prevent electrical dropouts and maintain proper battery voltage under heavy electrical load.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Aston Martin DB9 Charging System Degradation\u003c\/h3\u003e\n\u003cp\u003eThe tightly packaged 5.9L V12 in the \u003cstrong\u003eVH Platform\u003c\/strong\u003e DB9 creates significant engine bay thermal load, which severely degrades factory alternator windings and internal diodes over time. High heat soak breaks down the internal voltage regulator and causes diode trio failure, resulting in fluctuating voltage, weak battery charging at idle, flickering cabin instrumentation, and sporadic modules throwing phantom DTCs due to low baseline supply voltage across the CAN-bus architecture.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis brand-new OE-spec unit replaces failure-prone original units with heavy-gauge copper stator windings and a dynamically balanced rotor for reduced harmonic vibration at high RPM. High-grade double-sealed bearings resist heat-induced bearing grease wash, while a heavy-duty internal voltage regulator delivers consistent 13.5V to 14.5V output under sustained auxiliary demand. Direct-fit mounting ears, factory OE harness pinouts, and correct pulley offset ensure complete plug-and-play installation without bracket modification or belt misalignment, matching OEM references \u003cstrong\u003e8D33-10300-AA\u003c\/strong\u003e and \u003cstrong\u003e104210-4080\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 Brand-New 200-Amp Alternator (Part # 10421-6210)\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: solid font-size: min-width:\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;\"\u003e2005-2012 Aston Martin DB9\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;\"\u003eAM11 \/ VH Platform\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;\"\u003e450 hp \/ 420 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;\"\u003e8D33-10300-AA, 104210-4080, 10421-6210\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\u003e2005-2012 Aston Martin DB9 Coupe 6.0L V12\u003c\/li\u003e\n  \u003cli\u003e2005-2012 Aston Martin DB9 Volante 6.0L V12\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 VH Platform DB9?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2005-2012 Aston Martin DB9 equipped with the \u003cstrong\u003eAM11\u003c\/strong\u003e 6.0L V12 engine.\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to charge the battery prior to initial startup?\u003c\/h4\u003e\n\u003cp\u003eYes, ensure the vehicle battery is fully charged prior to running the new alternator to avoid overloading the internal voltage regulator during its initial break-in cycle.\u003c\/p\u003e\n\n\u003ch3\u003eThe Aston Martin Engineering Standard\u003c\/h3\u003e\n\u003cp\u003ePrecision British grand touring demands uncompromising voltage stability to ensure sensitive onboard electronic control modules, transmission controllers, and active safety systems perform without voltage spikes or fault codes.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67898862076152,"sku":"DS-E9Z16EDQ4","price":1282.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/alternator-for-aston-martin-db9-2005-2012-6-0l-1.jpg?v=1793329123","url":"https:\/\/performancechiptuning.com\/de\/products\/alternator-for-aston-martin-db9-2005-2012-6-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}