{"product_id":"high-output-alternator-for-ford-mustang-2005-2008-4-0l","title":"High Output Alternator for Ford Mustang (2005-2008) 4.0L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Amp 250A Direct-Fit Alternator for 2005-2008 Ford Mustang (S197)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The 250-amp high-output alternator replaces the factory charging unit on the 2005-2008 Ford Mustang to deliver stable system voltage and eliminate electrical sag under heavy accessory loads.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Ford Mustang Charging Deficiency\u003c\/h3\u003e\n\u003cp\u003eThe factory charging system on the \u003cstrong\u003eS197\u003c\/strong\u003e platform relies on an OEM alternator rated for only 130 to 135 amps. Under elevated underhood temperatures, the stock avalanche diodes suffer from thermal degradation, leading to significant voltage drops at idle. When powering aftermarket stereo systems, high-draw electric fans, supplemental lighting, or performance ignition components, the factory \u003cstrong\u003e4.0L Cologne V6\u003c\/strong\u003e alternator falls below 12.6 volts, draining the battery, causing erratic PCM voltage readings, and triggering charging system DTCs.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered and manufactured in the USA, this 250-amp direct bolt-on upgrade resolves charging instability by delivering over 140 amps at curb idle and a full 250 amps at cruising RPM. Built with premium copper windings, heavy-duty internal rectifiers, and high-temp solid-state regulators, this unit resists heat soak and diode breakdown under heavy continuous electrical demands. It bolts directly to the factory \u003cstrong\u003e4.0L Cologne V6\u003c\/strong\u003e engine brackets and interfaces seamlessly with the stock harness, directly superseding OEM units like \u003cstrong\u003e4R3T-10300-AA\u003c\/strong\u003e and \u003cstrong\u003e6R3Z-10346-A\u003c\/strong\u003e without custom bracketry.\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;\"\u003e2005-2008 Ford Mustang\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;\"\u003e4.0L Cologne V6 \/ S197\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 \/ 240 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;\"\u003e4R3T-10300-AA, 6R3Z-10346-A, 4R3Z-10346-AA, 8437, 8437N, AL7630X, 4R3T10300AA, 4R3T10300AB, GL609, 8437-250A\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 Ford Mustang Base (4.0L V6)\u003c\/li\u003e\n  \u003cli\u003e2006 Ford Mustang Base (4.0L V6)\u003c\/li\u003e\n  \u003cli\u003e2007 Ford Mustang Base (4.0L V6)\u003c\/li\u003e\n  \u003cli\u003e2008 Ford Mustang Base (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 S197 Mustang?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2005-2008 Ford Mustang equipped with the \u003cstrong\u003e4.0L Cologne V6\u003c\/strong\u003e engine. \u003cstrong\u003eThis alternator does not fit Mustang GT 4.6L V8 or Shelby GT500 5.4L supercharged models due to mounting boss and pulley offset differences.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to upgrade my main power cabling?\u003c\/h4\u003e\n\u003cp\u003eA 1\/0 or 4-gauge \"Big 3\" charge lead upgrade fused at 250-300 amps is strongly recommended to safely carry maximum current from the alternator to the battery.\u003c\/p\u003e\n\n\u003ch3\u003eThe Ford Muscle Standard\u003c\/h3\u003e\n\u003cp\u003eModern muscle builds require reliable amperage to support fuel systems, performance electronics, and chassis upgrades without losing spark intensity or throttle response at wide-open throttle.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67566175682808,"sku":"DS-EH2ME92ON","price":236.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/high-output-alternator-for-ford-mustang-2005-2008-4-0l-1.jpg?v=1791084082","url":"https:\/\/performancechiptuning.com\/fr\/products\/high-output-alternator-for-ford-mustang-2005-2008-4-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}