{"product_id":"high-output-alternator-for-nissan-frontier-1998-2004-2-4l","title":"High Output Alternator for Nissan Frontier (1998-2004) 2.4L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHeavy-Duty 140A High-Output Alternator for 1998-2004 Nissan Frontier (D22)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The 140A High-Output Alternator replaces the low-amperage factory charging unit on the 1998-2004 Frontier to deliver stable electrical system voltage under high accessory loads and prevent idle charging deficits.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Nissan Frontier Electrical Bottleneck\u003c\/h3\u003e\n\u003cp\u003eThe original factory charging unit on the first-generation \u003cstrong\u003eD22\u003c\/strong\u003e Frontier yields merely 60 to 70 amps from the factory. While sufficient for baseline 1990s cabin electronics, the factory internal regulator and small-frame diode bridge quickly overheat when subjected to auxiliary electrical demands such as winches, off-road lighting, power inverters, or upgraded audio amplifiers. This thermal saturation leads to excessive ripple current, voltage sag below 12.5V at idle, and premature battery degradation under continuous duty cycles.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis Made in USA 140-amp alternator significantly expands continuous operating headroom for the \u003cstrong\u003eKA24DE\u003c\/strong\u003e platform. Engineered using heavy-duty copper stator windings, high-temperature avalanche diode rectifiers, and a solid-state internal voltage regulator, this unit maintains robust charging profiles even at low engine RPM. Direct OE-matched clocking and bracket geometry ensure seamless retention of the factory belt path and belt-tensioning assembly without bracket modification, directly replacing OEM units like \u003cstrong\u003e23100-9Z000\u003c\/strong\u003e and \u003cstrong\u003eLR170-766\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1x 140-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;\"\u003e1998-2004 Nissan Frontier\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;\"\u003eKA24DE \/ D22\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;\"\u003e143 hp \/ 154 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;\"\u003eAL2377X, 210-31556, LR170-766, LR170-766B, 23100-9Z000, 13778N, 13778R, 13778\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\u003e1998-2004 Nissan Frontier Base 2.4L I4\u003c\/li\u003e\n  \u003cli\u003e1998-2004 Nissan Frontier XE 2.4L I4\u003c\/li\u003e\n  \u003cli\u003e1998-2004 Nissan Frontier SE 2.4L I4\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 D22 Frontier?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct bolt-on fit for the 1998-2004 Nissan Frontier equipped with the \u003cstrong\u003eKA24DE\u003c\/strong\u003e 2.4L engine. \u003cstrong\u003eDoes not fit 3.3L VG33E or VG33ER V6 models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to upgrade my charging lead wire?\u003c\/h4\u003e\n\u003cp\u003eWhen pulling sustained loads over 100 amps, upgrading the primary B+ alternator-to-battery wire to a fused 4-gauge lead is recommended to prevent circuit voltage drops.\u003c\/p\u003e\n\n\u003ch3\u003eThe Nissan Truck Durability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to handle extreme operating duty cycles, this high-output unit ensures your midsize workhorse provides reliable electrical power whether running heavy winching tasks on the trail or managing auxiliary equipment on remote job sites.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67566246822136,"sku":"DS-ENPGWTWAI","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-nissan-frontier-1998-2004-2-4l-1.jpg?v=1791085262","url":"https:\/\/performancechiptuning.com\/es\/products\/high-output-alternator-for-nissan-frontier-1998-2004-2-4l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}