{"product_id":"high-output-alternator-for-ford-explorer-1991-2000-4-0l","title":"High Output Alternator for Ford Explorer (1991-2000) 4.0L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHeavy-Duty 250-Amp High Output Alternator for 1991-2000 Ford Explorer (UN46\/UN105)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The High Output Alternator replaces the low-output factory charging unit on the 1991-2000 Ford Explorer to eliminate voltage sag, power auxiliary accessories, and deliver stable 250-amp electrical capacity at idle and operating RPM.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Ford Explorer Electrical Bottleneck\u003c\/h3\u003e\n\u003cp\u003eFactory \u003cstrong\u003eUN46\u003c\/strong\u003e and \u003cstrong\u003eUN105\u003c\/strong\u003e platforms equipped with the \u003cstrong\u003e4.0L Cologne V6\u003c\/strong\u003e shipped from the factory with standard 95-amp to 130-amp alternators. While sufficient for baseline factory electronics, these units suffer from excessive heat soak, stator breakdown, and severe voltage drop when burdened with modern electrical demands such as winches, auxiliary off-road lighting, high-draw audio amplifiers, or dual-battery setups. At idle speeds, factory units drop output drastically, causing dimming lights, low battery charge rates, and accelerated wear on your ignition system.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered and manufactured in the USA, this 250-amp direct-mount unit resolves critical charging deficits using heavy-duty copper windings, high-temperature internal rectifiers, and upgraded avalanche diodes capable of managing heavy current surges. Designed to dissipate heat faster than the original casing, it maintains stable 14.4-volt delivery under continuous accessory loads. It directly replaces factory numbers including \u003cstrong\u003eF07F-10300-AA\u003c\/strong\u003e, \u003cstrong\u003eAL598X\u003c\/strong\u003e, and \u003cstrong\u003e7750\u003c\/strong\u003e without bracket modifications.\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;\"\u003e1991-2000 Ford Explorer\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 (OHV \/ SOHC) \/ UN46, UN105\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;\"\u003e160-205 hp \/ 225-250 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;\"\u003e7750, 321-1294, 334-1917, F07F-10300-AA, AL598X, F07F-AA, F07U-AA, F07U-AB, F07U-AC, F17U-AA, 7750-250A\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\u003e1991-2000 Ford Explorer (XL, XLT, Eddie Bauer, Limited, Sport) equipped with the 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 UN46\/UN105 Explorer?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 1991-2000 Ford Explorer equipped with the \u003cstrong\u003e4.0L Cologne V6\u003c\/strong\u003e engine. \u003cstrong\u003eDoes not fit 5.0L V8 models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to upgrade my factory charging wiring?\u003c\/h4\u003e\n\u003cp\u003eDue to the increased 250-amp output, upgrading your primary charging lead, engine ground, and chassis ground to 1\/0 or 2-gauge wire (Big 3 upgrade) is mandatory to prevent terminal overheating and ensure full current transfer.\u003c\/p\u003e\n\n\u003ch3\u003eThe Ford Truck Caliber\u003c\/h3\u003e\n\u003cp\u003eBuilt for trail recovery, towing equipment, and demanding utility use, this unit provides the steady current reserve required to keep your Explorer reliable in the field.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67565596770552,"sku":"DS-EJNWMF2Q1","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-explorer-1991-2000-4-0l-1.jpg?v=1791069750","url":"https:\/\/performancechiptuning.com\/fr\/products\/high-output-alternator-for-ford-explorer-1991-2000-4-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}