{"product_id":"wai-21603n-alternator","title":"WAI 21603N Alternator","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThis WAI alternator, part number 21603N, is a 120-amp replacement unit built for modern charging demands. It is a 100% new alternator, not remanufactured, and uses proprietary components and processes for consistent performance and service life.\u003c\/p\u003e\u003cp\u003eCompatible with Nissan Sentra applications, this alternator is a fitment-based replacement for 2020-2021 and 2022 vehicles with the listed application note. The 21603N is built with an internal regulator, internal fan, serpentine pulley setup, and clockwise rotation.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e120-amp output for vehicles with higher electrical demand\u003c\/li\u003e\n\u003cli\u003e100% new construction, not remanufactured\u003c\/li\u003e\n\u003cli\u003eInternal regulator and internal fan design\u003c\/li\u003e\n\u003cli\u003eSerpentine belt pulley with 6 grooves\u003c\/li\u003e\n\u003cli\u003eDecoupled clutch pulley included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eWAI 21603N is an alternator from the SEG family engineered to supply the amperage needed by today’s electrical systems. Its 12-volt design, clockwise rotation, and pulley configuration support direct replacement use where the application matches the listed fitment. For Nissan Sentra owners, this part number 21603N provides a new-build charging solution for the specified model years.\u003c\/p\u003e\u003cp\u003eThis part cross-references Gates 21603 and OE numbers 23100-6LB0A and F 000 BL0 79B for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Solves\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLow charging output from a worn alternator\u003c\/li\u003e\n\u003cli\u003eBattery warning light caused by charging system failure\u003c\/li\u003e\n\u003cli\u003eElectrical instability from insufficient amperage supply\u003c\/li\u003e\n\u003cli\u003eNoise or pulley-related alternator issues\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify pulley type, rotation direction, amperage rating, and connector\/application details before installation. Confirm the vehicle matches the listed Nissan Sentra fitment and the 2022 note of use through 09\/2021. Use the part number 21603N to match the correct charging system configuration.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWAI builds this alternator with proprietary components and processes to support maximum life and performance. The 21603N is supplied as a new unit rather than a remanufactured assembly.\u003c\/p\u003e","brand":"WAI","offers":[{"title":"Default Title","offer_id":53512169455797,"sku":"HGWL-21603N","price":241.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WW_21603N_FRO.jpg?v=1791875347","url":"https:\/\/www.partcatalog.com\/products\/wai-21603n-alternator","provider":"PartCatalog","version":"1.0","type":"link"}