{"product_id":"dayco-24405-accessory-drive-belt-alternator-or-fan-and-generator","title":"Dayco 24405 Accessory Drive Belt - Alternator or Fan and Generator","description":"\u003ch2\u003eAccessory Drive Belt for Reliable Belt Drive Performance\u003c\/h2\u003e\u003cp\u003eThe Dayco 24405 accessory drive belt is built for accessory drive systems that need consistent grip, stable tracking, and dependable operation across a wide temperature range. With a double-cog construction and synthetic rubber compound, this black belt is made for applications that call for a 0.75-inch top width and a 38-degree angle.\u003c\/p\u003e\u003cp\u003eCompatible With Cummins, Massey Ferguson, Mopar, and other cross-reference applications, this belt is a direct replacement option for service work on belt-driven engine accessories. The Dayco 24405 is also a practical choice when searching for an accessory drive belt for Cummins engine applications or a replacement belt for Mopar and NAPA cross-reference numbers.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number: Dayco 24405\u003c\/li\u003e\n\u003cli\u003eAccessory drive belt for engine accessory systems\u003c\/li\u003e\n\u003cli\u003eSynthetic rubber compound construction\u003c\/li\u003e\n\u003cli\u003eDouble-cog belt design for flexible operation\u003c\/li\u003e\n\u003cli\u003e0.75-inch top width\u003c\/li\u003e\n\u003cli\u003eEffective length: 40.50 in. \/ 1028.70 mm\u003c\/li\u003e\n\u003cli\u003eOutside circumference: 41.14 in. \/ 1044.96 mm\u003c\/li\u003e\n\u003cli\u003eBlack finish\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -35°F to 175°F\u003c\/li\u003e\n\u003cli\u003eBuilt to SAE J636 and SAE J637 standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThe Dayco 24405 accessory drive belt is engineered for belt drive systems that require a specific length, width, and angle profile. Its double-cog construction supports flexibility in routing, while the synthetic rubber compound is selected for service in demanding underhood conditions. This belt measures 40.50 inches effective length and 41.14 inches outside circumference, making it important to verify dimensions against the original belt specification before ordering.\u003c\/p\u003e\u003cp\u003eThis part cross-references Cummins (e.g., 139657, 178634) for the same application. It also cross-references Mopar and NAPA numbers in related service applications. For buyers searching by vehicle keywords, this Dayco 24405 belt is commonly considered in Cummins engine service, Massey Ferguson equipment maintenance, and Mopar-related accessory drive belt replacement searches.\u003c\/p\u003e\u003ch2\u003eCommon Issues This Belt Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCracked, glazed, or worn accessory drive belt surfaces\u003c\/li\u003e\n\u003cli\u003eSquealing or slipping belt operation\u003c\/li\u003e\n\u003cli\u003eIncorrect belt length after a previous replacement\u003c\/li\u003e\n\u003cli\u003eLoss of accessory drive performance from belt wear\u003c\/li\u003e\n\u003cli\u003eNoise caused by a belt that no longer tracks correctly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm the required belt length, top width, and angle before installation. Compare the old belt and pulley routing to the Dayco 24405 specifications, especially on Cummins, Massey Ferguson, and Mopar applications where multiple belt options may exist. Inspect pulleys, tensioners, and idlers for wear before installing the new belt, and verify proper tension after startup.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDayco manufactures belts to SAE J636 and SAE J637 standards, supporting consistent dimensional and performance requirements for accessory drive service. The 24405 is specified for operation from -35°F to 175°F, giving it a defined service range for automotive and equipment belt drive applications.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":52396006342837,"sku":"BCWL-24405","price":21.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_24405_Fro.jpg?v=1777757396","url":"https:\/\/www.partcatalog.com\/products\/dayco-24405-accessory-drive-belt-alternator-or-fan-and-generator","provider":"PartCatalog","version":"1.0","type":"link"}