{"product_id":"high-output-alternator-for-subaru-legacy-outback-2005-2009-2-5l","title":"High Output Alternator for Subaru Legacy Outback (2005-2009) 2.5L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Amp 200A Alternator for 2005-2009 Subaru Legacy \u0026amp; Outback (BL\/BP)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The high output alternator replaces the factory charging unit on the 2005-2009 Subaru Legacy and Outback to deliver stable 200-amp electrical current under heavy auxiliary and system loads.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Subaru Legacy,Outback Charging Limitation\u003c\/h3\u003e\n\u003cp\u003eFactory charging systems on the \u003cstrong\u003eBL\/BP\u003c\/strong\u003e chassis utilize standard 90A to 110A alternators that struggle under increased electrical demand. Operating the naturally aspirated or turbocharged \u003cstrong\u003eEJ25\u003c\/strong\u003e with added aftermarket accessories—such as high-draw audio setups, light bars, winches, or auxiliary cooling fans—causes immediate voltage drop at idle. Under continuous thermal stress, the factory diodes and stator windings experience heat soak, degrading charging efficiency and accelerating premature battery drainage and regulator breakdown.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered for sustained heavy-duty output, this 200-amp alternator features precision heavy-gauge copper windings, upgraded internal diode rectifiers, and a robust internal voltage regulator to sustain clean, ripple-free voltage across the entire rev range. The heavy-duty housing improves passive heat dissipation away from the internal rotor and stator, preventing thermal throttling during extended engine operation. Directly compatible with factory harness connectors, it drops into place while replacing weak OEM units such as \u003cstrong\u003e23700-AA55A\u003c\/strong\u003e and \u003cstrong\u003eA3TG2391\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 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;\"\u003e2005-2009 Subaru Legacy, Outback\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;\"\u003eEJ25 \/ BL, BP\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;\"\u003e175 hp \/ 169 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;\"\u003e210-4216, 15477, A3TG2391ZC, A3TG2391, 11024, 11024N, 23700-AA55A, 23700-AA55AR1, A003TG2391ZSB\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\u003e2005-2009 Subaru Legacy 2.5L\u003c\/li\u003e\n  \u003cli\u003e2005-2009 Subaru Outback 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 BL\/BP Legacy,Outback?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2005-2009 Subaru Legacy and Outback equipped with the \u003cstrong\u003eEJ25\u003c\/strong\u003e 2.5L engine.\u003c\/p\u003e\n\n\u003ch4\u003eIs a Big 3 wiring upgrade recommended with this 200A alternator?\u003c\/h4\u003e\n\u003cp\u003eYes, upgrading the primary battery ground, alternator positive power wire, and engine block ground to 0-gauge or 4-gauge wire is strongly recommended to handle the increased 200-amp electrical throughput efficiently.\u003c\/p\u003e\n\n\u003ch3\u003eThe Subaru Performance Standard\u003c\/h3\u003e\n\u003cp\u003eDesigned to support the rugged demands of all-wheel-drive platforms, this high-output unit ensures dependable power delivery whether powering electronics across off-grid trails or supplying steady ignition voltage under boost.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67566343717112,"sku":"DS-EUKEHFZ5E","price":256.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/high-output-alternator-for-subaru-legacy-outback-2005-2009-2-5l-1.jpg?v=1791086770","url":"https:\/\/performancechiptuning.com\/products\/high-output-alternator-for-subaru-legacy-outback-2005-2009-2-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}