{"product_id":"high-output-alternator-for-jeep-grand-cherokee-2001-2004-4-0l","title":"High Output Alternator for Jeep Grand Cherokee (2001-2004) 4.0L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Output 250A Alternator for 2001-2004 Jeep Grand Cherokee (WJ)\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 2001-2004 Grand Cherokee to eliminate system voltage drop and supply robust current under heavy auxiliary electrical loads.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Jeep Grand Cherokee Charging Deficiencies\u003c\/h3\u003e\n\u003cp\u003eFactory charging systems on the \u003cstrong\u003eWJ\u003c\/strong\u003e Grand Cherokee come equipped with an OEM unit rated between 117 and 136 amps, which is inadequate for modern overland and trail setups. When operating high-amperage accessories—such as recovery winches, high-intensity LED light bars, onboard air compressors, or high-draw audio amplifiers—the stock alternator suffers severe voltage drop, particularly at low engine idle speeds. This continuous strain induces excessive heat soak in the factory windings and rectifier bridge, degrading diode integrity, draining the primary battery, and triggering erratic sensor feedback to the vehicle powertrain control module (PCM).\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered and manufactured in the USA, this 250-amp high-output alternator delivers substantial amperage across both idle and peak operating bands. Built with premium heavy-gauge copper stator windings, precision-balanced rotors, and heavy-duty high-temperature avalanche diodes, this unit effectively prevents thermal breakdown under severe continuous duty. It directly replaces factory units matching OEM part numbers \u003cstrong\u003e56041322AB\u003c\/strong\u003e and \u003cstrong\u003e13872\u003c\/strong\u003e, retaining factory mounting points and belt geometry while stabilizing bus voltage to prevent sensor fluctuations and battery drain during technical trail maneuvers.\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;\"\u003e2001-2004 Jeep Grand Cherokee\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 AMC 242 PowerTech I6 \/ WJ\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;\"\u003e195 hp \/ 230 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;\"\u003e13872, 0124525003, 56041322AB, AL6428N, AL6428X, 13872-250A\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\u003e2001-2004 Jeep Grand Cherokee (WJ) Laredo 4.0L I6\u003c\/li\u003e\n  \u003cli\u003e2001-2004 Jeep Grand Cherokee (WJ) Limited 4.0L I6\u003c\/li\u003e\n  \u003cli\u003e2002-2004 Jeep Grand Cherokee (WJ) Sport \/ Special Edition 4.0L I6\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 WJ Grand Cherokee?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct bolt-in fit for the 2001-2004 Jeep Grand Cherokee equipped with the \u003cstrong\u003e4.0L AMC 242\u003c\/strong\u003e inline-six engine; it does not fit 4.7L V8 models.\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to upgrade my main battery cables?\u003c\/h4\u003e\n\u003cp\u003eYes, pairing this 250A unit with a \"Big 3\" electrical upgrade using 1\/0 or 2-gauge oxygen-free copper wiring and an inline fuse is strongly recommended to handle increased current without overheating factory harness wiring.\u003c\/p\u003e\n\n\u003ch3\u003eThe Jeep Standard\u003c\/h3\u003e\n\u003cp\u003eBuilt for the harsh duty cycles of off-road recovery and remote expeditions, this alternator ensures consistent charging stability through extreme winch loads, slow rock crawling, and heavy electrical accessory usage.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67566340473080,"sku":"DS-EJLUK98MM","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-jeep-grand-cherokee-2001-2004-4-0l-1.jpg?v=1791086567","url":"https:\/\/performancechiptuning.com\/es\/products\/high-output-alternator-for-jeep-grand-cherokee-2001-2004-4-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}