{"product_id":"high-output-alternator-for-subaru-impreza-1997-1998-2-2l","title":"High Output Alternator for Subaru Impreza (1997-1998) 2.2L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Output 150-Amp Alternator for 1997-1998 Subaru Impreza (GC\/GF)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The 150-amp high-output alternator replaces the low-output factory charging unit on the 1997-1998 Impreza to eliminate voltage drops and supply continuous, stable current to high-draw electrical systems.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Subaru Impreza Low-Amperage Limitation\u003c\/h3\u003e\n\u003cp\u003eThe factory charging system on the \u003cstrong\u003eEJ22\u003c\/strong\u003e-powered Impreza delivers a modest 60 to 75 amps. After decades of thermal cycling, original diodes degrade, internal rotor resistance increases, and charging current plummets at idle. When builders add aftermarket audio amplifiers, electric cooling fans, auxiliary driving lamps, or off-road gear, system voltage dips below 12.6V. This causes dimming headlamps, lazy ignition coil saturation, and chronic battery drain.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered for the first-generation \u003cstrong\u003eGC\/GF\u003c\/strong\u003e chassis, this heavy-duty unit increases charging capability to 150 amps. Built around premium stator windings, a heavy-duty bridge rectifier, and heat-resistant avalanche diodes, it mitigates heat soak and withstands demanding duty cycles. Each alternator is bench-tested before dispatch and uses factory-spec mounting lugs and the original harness connector, allowing a clean bolt-in installation with precise belt alignment matching OEM references \u003cstrong\u003e23700-AA290\u003c\/strong\u003e and \u003cstrong\u003eA2TA7691\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1x 150-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: 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;\"\u003e1997-1998 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;\"\u003e\n\u003cstrong\u003eEJ22\u003c\/strong\u003e \/ \u003cstrong\u003eGC\/GF\u003c\/strong\u003e\n\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;\"\u003e137 hp \/ 145 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;\"\u003e334-1174, 210-4162, A2TA7691, 23700-AA290\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\u003e1997 Subaru Impreza Base 2.2L H4\u003c\/li\u003e\n  \u003cli\u003e1997 Subaru Impreza L 2.2L H4\u003c\/li\u003e\n  \u003cli\u003e1997 Subaru Impreza Outback Sport 2.2L H4\u003c\/li\u003e\n  \u003cli\u003e1998 Subaru Impreza L 2.2L H4\u003c\/li\u003e\n  \u003cli\u003e1998 Subaru Impreza Outback Sport 2.2L H4\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\/GF Impreza?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 1997-1998 Subaru Impreza equipped with the \u003cstrong\u003eEJ22\u003c\/strong\u003e 2.2L engine. \u003cstrong\u003eDoes not fit 1.8L or DOHC 2.5L RS models without verifying plug configuration and bracket clearance.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to upgrade my charging wiring?\u003c\/h4\u003e\n\u003cp\u003eUpgrading the primary alternator output wire and chassis grounds to 4-gauge wire is recommended when utilizing high continuous amperage to ensure total circuit efficiency and protect stock wiring.\u003c\/p\u003e\n\n\u003ch3\u003eThe Subaru Performance Standard\u003c\/h3\u003e\n\u003cp\u003eBuilt to handle the demands of modified boxer engines, this high-output alternator delivers continuous electrical stability, ensuring robust spark energy and component reliability across the entire powerband.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67621544001784,"sku":"DS-EW1LVH5MC","price":337.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/high-output-alternator-for-subaru-impreza-1997-1998-2-2l-1.jpg?v=1791664465","url":"https:\/\/performancechiptuning.com\/de\/products\/high-output-alternator-for-subaru-impreza-1997-1998-2-2l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}