{"product_id":"wai-21580n-alternator","title":"WAI 21580N Alternator","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThis WAI alternator, part number 21580N, is a new electrical charging component built for vehicles that need stable output and consistent system support. It is engineered for Subaru Legacy and Subaru Outback applications with the specified fitment, and it uses an internal regulator with a decoupled clutch pulley for modern serpentine-drive systems.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e130-amp output for charging-system demand\u003c\/li\u003e\n\u003cli\u003e100% new construction, not remanufactured\u003c\/li\u003e\n\u003cli\u003eInternal fan and internal regulator design\u003c\/li\u003e\n\u003cli\u003eClockwise rotation with a 6-groove serpentine pulley\u003c\/li\u003e\n\u003cli\u003ePulley included for direct replacement service\u003c\/li\u003e\n\u003cli\u003eMitsubishi family alternator design\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eWAI part number 21580N is engineered to deliver the amperage needed by today’s vehicle electrical systems while maintaining dependable charging performance. The unit is built as a 100% new alternator using proprietary components and manufacturing processes, and its internal regulator, internal fan, and decoupled clutch pulley support efficient operation in serpentine-belt applications. For buyers searching for a Subaru Legacy alternator or Subaru Outback alternator, this unit matches the listed fitment and configuration requirements.\u003c\/p\u003e\u003cp\u003eThis alternator cross-references Gates 21580 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestoring proper battery charging output\u003c\/li\u003e\n\u003cli\u003eReplacing a worn or failing alternator\u003c\/li\u003e\n\u003cli\u003eAddressing low-voltage or charging warning conditions\u003c\/li\u003e\n\u003cli\u003eSupporting electrical loads from vehicle accessories and systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify pulley style, belt type, rotation direction, and amperage rating before installation. Confirm the vehicle uses the listed serpentine-drive configuration and compare the original unit to part number 21580N to ensure the correct electrical and mechanical match.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWAI states that this alternator is 100% new and manufactured with proprietary components and processes to support long service life and consistent performance.\u003c\/p\u003e","brand":"WAI","offers":[{"title":"Default Title","offer_id":53512093761717,"sku":"HGWL-21580N","price":259.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WW_21580N_FRO.jpg?v=1791869545","url":"https:\/\/www.partcatalog.com\/products\/wai-21580n-alternator","provider":"PartCatalog","version":"1.0","type":"link"}