{"product_id":"high-output-alternator-for-ford-f-250-f-350-f-450-f-550-1999-2001-7-3l","title":"High Output Alternator for Ford F-250 F-350 F-450 F-550 (1999-2001) 7.3L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Output 250A Alternator for 1999-2001 Ford F-250, F-350, F-450, F-550 (P131)\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 1999-2001 Ford Super Duty trucks to supply reliable high-amperage power, preventing voltage drop under heavy electrical loads and accessory draw.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Ford F-250, F-350, F-450, F-550 Charging Limitations\u003c\/h3\u003e\n\u003cp\u003eFactory \u003cstrong\u003eP131\u003c\/strong\u003e platform trucks equipped with the \u003cstrong\u003e7.3L Power Stroke\u003c\/strong\u003e diesel rely on stock alternators rated between 110 and 130 amps. Cold-start cycles with high-draw glow plug relays and HEUI injector solenoid demands immediately pull heavy current from the dual-battery system. When paired with common aftermarket additions—such as auxiliary lighting, snowplows, recovery winches, or power inverters—the stock unit suffers severe thermal saturation, low idle voltage output, and premature rectifier diode failure.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered and manufactured in the USA, this direct-replacement 250-amp alternator features heavy-duty copper hairpin stator windings and a robust avalanche diode rectifier to ensure optimal heat dissipation and sustained current delivery. Designed to generate substantial amperage even at low engine idle speeds, it protects sensitive engine control modules and batteries from voltage sag. Direct bolt-in fitment allows seamless installation on stock accessory brackets, mating precisely with factory wiring configurations and OE reference \u003cstrong\u003eF81U10300EB\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 (Made in USA)\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;\"\u003e1999-2001 Ford F-250, F-350, F-450, F-550\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;\"\u003e7.3L Power Stroke (T444E) \/ P131\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;\"\u003e235-250 hp \/ 500-525 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;\"\u003eF81UEB, GL412, GL-412, AL7555X, 7796, 7796n, F81U10300EB, F81Z10346EA, 7796-250A\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\u003e1999-2001 Ford F-250 Super Duty 7.3L Turbo Diesel\u003c\/li\u003e\n  \u003cli\u003e1999-2001 Ford F-350 Super Duty 7.3L Turbo Diesel\u003c\/li\u003e\n  \u003cli\u003e1999-2001 Ford F-450 Super Duty 7.3L Turbo Diesel\u003c\/li\u003e\n  \u003cli\u003e1999-2001 Ford F-550 Super Duty 7.3L Turbo Diesel\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 P131 F-250, F-350, F-450, F-550?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 1999-2001 Ford F-250, F-350, F-450, F-550 equipped with the \u003cstrong\u003e7.3L Power Stroke\u003c\/strong\u003e turbo diesel engine.\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to upgrade the main charging cable with this alternator?\u003c\/h4\u003e\n\u003cp\u003eUpgrading the primary B+ charging wire and engine ground to a heavy-gauge cable (4 AWG or larger) with an inline fuse is strongly recommended to safely carry the full 250-amp output.\u003c\/p\u003e\n\n\u003ch3\u003eThe Ford Super Duty Standard\u003c\/h3\u003e\n\u003cp\u003eBuilt for rigorous commercial fleet duty, intense job-site demands, and heavy fifth-wheel towing, this unit ensures your Super Duty electrical system delivers consistent voltage under extreme operating conditions.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67565768900856,"sku":"DS-EN3QXLVVZ","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-f-250-f-350-f-450-f-550-1999-2001-7-3l-1.jpg?v=1791074328","url":"https:\/\/performancechiptuning.com\/products\/high-output-alternator-for-ford-f-250-f-350-f-450-f-550-1999-2001-7-3l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}