{"product_id":"high-output-alternator-for-subaru-impreza-1999-2000-2-2l-2-5l","title":"High Output Alternator for Subaru Impreza (1999-2000) 2.2L 2.5L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Amp 160A Alternator for 1999-2000 Subaru Impreza (GC\/GM\/GF)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The 160-amp high output alternator replaces the factory charging unit on the 1999-2000 Impreza to stabilize electrical system voltage and supply reliable current for high-draw aftermarket accessories.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Subaru Impreza Charging Deficit\u003c\/h3\u003e\n\u003cp\u003eFactory charging systems on the first-generation \u003cstrong\u003eGC\/GM\/GF\u003c\/strong\u003e platform rely on conservative 75 to 85-amp OEM stators. When modified with auxiliary lighting, electric cooling fans, or high-draw sound systems, the factory unit experiences severe voltage sag at idle. Extended thermal cycles in the compact boxer engine bay accelerate diode decay in original equipment, causing headlight flickering, inconsistent ECU voltage signals, and insufficient battery recovery under load.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered for the \u003cstrong\u003eEJ22\u003c\/strong\u003e and \u003cstrong\u003eEJ25\u003c\/strong\u003e powerplants, this direct-fit alternator generates a continuous 160 amps using heavy-duty stator windings and high-capacity internal rectifiers. It mounts directly into the factory bracket locations, utilizing stock belt alignment and OEM plug provisions with no bracket modifications. Each unit is bench-tested across full RPM operational sweeps to guarantee rock-solid voltage stability at idle and high engine speeds.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1x High Output 160 Amp 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: solid font-size: min-width:\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;\"\u003e1999-2000 Subaru Impreza\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;\"\u003eEJ22, EJ25 \/ GC, GM, GF\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;\"\u003e142-165 hp \/ 149-166 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;\"\u003e210-4141, 13820N, A2TB2991, 23700-AA390, 13820\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\u003e1999-2000 Subaru Impreza 2.2L\u003c\/li\u003e\n  \u003cli\u003e1999-2000 Subaru Impreza 2.5L\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 GC\/GM\/GF Impreza?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 1999-2000 Subaru Impreza equipped with the \u003cstrong\u003eEJ22\u003c\/strong\u003e or \u003cstrong\u003eEJ25\u003c\/strong\u003e engine.\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to upgrade my vehicle wiring?\u003c\/h4\u003e\n\u003cp\u003eFor high-amperage draw applications, executing a Big-3 wiring upgrade with heavier-gauge charge and ground cables is recommended to prevent circuit bottlenecking and achieve full 160-amp throughput.\u003c\/p\u003e\n\n\u003ch3\u003eThe Subaru Performance Caliber\u003c\/h3\u003e\n\u003cp\u003eConstructed to handle the unique thermal and vibrational demands of the boxer layout, this alternator provides robust power delivery to keep ignition systems, fuel pumps, and aftermarket gear operating at peak potential.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67621505532152,"sku":"DS-EWS8903KG","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-subaru-impreza-1999-2000-2-2l-2-5l-1.jpg?v=1791663134","url":"https:\/\/performancechiptuning.com\/fr\/products\/high-output-alternator-for-subaru-impreza-1999-2000-2-2l-2-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}