{"product_id":"mpa-electrical-107-49101-alternator","title":"MPA Electrical 107-49101 Alternator","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eMPA Electrical alternator part number 107-49101 is a new 12V, 270-amp charging unit for heavy-duty and commercial applications. It is listed for a wide range of Freightliner, Peterbilt, Kenworth, International, Blue Bird, and other chassis platforms with the specified negative-pad 4900 LN configuration.\u003c\/p\u003e\u003cp\u003eUse this alternator when you need a direct replacement for the charging system on compatible commercial trucks, buses, and motorhome chassis. The fitment data covers many long-tail applications, including Freightliner Cascadia alternator replacement and Peterbilt 389 12V 270A alternator fitment.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eNew alternator assembly from MPA Electrical\u003c\/li\u003e\n\u003cli\u003e12V output with 270-amp charging capacity\u003c\/li\u003e\n\u003cli\u003eNegative-pad 4900 LN configuration\u003c\/li\u003e\n\u003cli\u003eApplication-specific fitment for commercial truck, bus, and chassis platforms\u003c\/li\u003e\n\u003cli\u003ePart number 107-49101 for ordering and catalog matching\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2008-2022 Freightliner Cascadia, N\/A.\u003c\/li\u003e\n\u003cli\u003eFits 2012-2021 Freightliner 114SD, N\/A.\u003c\/li\u003e\n\u003cli\u003eFits 2013-2021 Freightliner 122SD, N\/A.\u003c\/li\u003e\n\u003cli\u003eFits 2010-2021 Freightliner M2 112, N\/A.\u003c\/li\u003e\n\u003cli\u003eFits 2008-2021 Kenworth T270, N\/A.\u003c\/li\u003e\n\u003cli\u003eFits 2008-2021 Kenworth T370, N\/A.\u003c\/li\u003e\n\u003cli\u003eFits 2012-2021 Kenworth T680, N\/A.\u003c\/li\u003e\n\u003cli\u003eFits 2014-2021 Kenworth T880, N\/A.\u003c\/li\u003e\n\u003cli\u003eFits 2010-2021 Peterbilt 337, N\/A.\u003c\/li\u003e\n\u003cli\u003eFits 2013-2021 Peterbilt 579, N\/A.\u003c\/li\u003e\n\u003cli\u003eFits 2006-2017 Volvo VNL, N\/A.\u003c\/li\u003e\n\u003cli\u003eFits 2007-2017 Volvo VNM, N\/A.\u003c\/li\u003e\n\u003cli\u003eFits 2002-2020 Kenworth W900, N\/A.\u003c\/li\u003e\n\u003cli\u003eFits 2012-2020 Peterbilt 389, N\/A.\u003c\/li\u003e\n\u003cli\u003eFits 2008-2020 Freightliner B2, N\/A.\u003c\/li\u003e\n\u003cli\u003eFits 2004-2018 Blue Bird Vision School Bus, N\/A.\u003c\/li\u003e\n\u003cli\u003eFits 2003-2017 Blue Bird All American FE, N\/A.\u003c\/li\u003e\n\u003cli\u003eFits 2003-2017 Blue Bird All American RE, N\/A.\u003c\/li\u003e\n\u003cli\u003eFits 2003-2021 Thomas Saf-T-Liner, N\/A.\u003c\/li\u003e\n\u003cli\u003eFits 2003-2021 Thomas Transit Liner, N\/A.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Uses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCharging system failure diagnosis\u003c\/li\u003e\n\u003cli\u003eLow battery charging output\u003c\/li\u003e\n\u003cli\u003eAlternator noise or bearing wear replacement\u003c\/li\u003e\n\u003cli\u003eElectrical load support on commercial chassis\u003c\/li\u003e\n\u003cli\u003eReplacement for a worn or failed 12V alternator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the 12V, 270A specification and the negative-pad 4900 LN configuration before ordering. Confirm the part number 107-49101 against the existing unit and compare the mounting style, pulley arrangement, and electrical connections on the vehicle.\u003c\/p\u003e\u003cp\u003eFor fitment-sensitive applications such as Freightliner Cascadia, Peterbilt 579, and Kenworth T680, match the original alternator details exactly to avoid installation issues.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eMPA Electrical identifies this as a new replacement alternator. The catalog fitment is specific to the listed commercial vehicles and chassis applications, helping support accurate part selection for 107-49101.\u003c\/p\u003e","brand":"MPA Electrical","offers":[{"title":"Default Title","offer_id":53540948246709,"sku":"CDNB-107-49101","price":448.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/MA_10749101_Generic.jpg?v=1792220143","url":"https:\/\/www.partcatalog.com\/products\/mpa-electrical-107-49101-alternator","provider":"PartCatalog","version":"1.0","type":"link"}