{"product_id":"wilson-90-25-1238-alternator","title":"Wilson 90-25-1238 Alternator","description":"\u003ch2\u003eRemanufactured Charging Performance\u003c\/h2\u003e\u003cp\u003eThis Wilson remanufactured alternator is built for commercial-duty charging systems that need stable output and OE-style fitment. It is identified by part number 90-25-1238 and is matched to Hitachi applications with 110 amps and 12 volts.\u003c\/p\u003e\u003cp\u003eCompatible with Isuzu NPR, Isuzu NPR-HD, Isuzu NQR, and Isuzu NRR applications, as well as Chevrolet W4500 Tiltmaster, Chevrolet W5500 Tiltmaster, Chevrolet W3500 Tiltmaster, Chevrolet W5500HD Tiltmaster, GMC W4500 Forward, GMC W5500 Forward, GMC W5500HD Forward, and GMC W3500 Forward models.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e110-amp output for charging-system demand.\u003c\/li\u003e\n\u003cli\u003e12-volt electrical specification.\u003c\/li\u003e\n\u003cli\u003eIR\/EF design with J180 mount type.\u003c\/li\u003e\n\u003cli\u003e2:00 plug clocking for application-specific alignment.\u003c\/li\u003e\n\u003cli\u003eRemanufactured to meet and exceed OE specifications.\u003c\/li\u003e\n\u003cli\u003eBuilt as a Hitachi unit replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eWilson remanufactured alternators go through complete teardown, cleaning, reassembly with components built to Wilson standards, and rigorous testing before release. This process is intended to restore charging performance while maintaining the OE specification profile expected in commercial vehicle service. Part number 90-25-1238 is a direct reference for sourcing the correct unit for Isuzu NPR and related Chevrolet and GMC medium-duty platforms.\u003c\/p\u003e\u003cp\u003eThis part cross-references Monroe Shocks \u0026amp; Struts (e.g., 98075025, 8980750250) for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestoring battery charging output when the alternator is no longer maintaining system voltage.\u003c\/li\u003e\n\u003cli\u003eReplacing a worn or failed Hitachi-style charging unit.\u003c\/li\u003e\n\u003cli\u003eAddressing low-charge conditions, warning lights, or electrical instability.\u003c\/li\u003e\n\u003cli\u003eSupporting dependable electrical operation in commercial-duty service.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the 110-amp rating, 12-volt specification, J180 mount type, and 2:00 plug clocking before installation. Confirm the vehicle application against the fitment list for Isuzu NPR, NPR-HD, NQR, NRR, Chevrolet W4500 Tiltmaster, Chevrolet W5500 Tiltmaster, Chevrolet W3500 Tiltmaster, Chevrolet W5500HD Tiltmaster, GMC W4500 Forward, GMC W5500 Forward, GMC W5500HD Forward, and GMC W3500 Forward.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWilson remanufactured alternators are assembled with components made to Wilson standards and tested to meet and exceed OE specifications.\u003c\/p\u003e","brand":"Wilson","offers":[{"title":"Default Title","offer_id":53503700795573,"sku":"BCTK-90-25-1238","price":236.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/VI_90251238_Fro.jpg?v=1791611171","url":"https:\/\/www.partcatalog.com\/products\/wilson-90-25-1238-alternator","provider":"PartCatalog","version":"1.0","type":"link"}