{"product_id":"dayco-5120788-serpentine-belt-fan-or-fan-and-water-pump","title":"Dayco 5120788 Serpentine Belt - Fan or Fan and Water Pump","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eDayco 5120788 is a serpentine belt built for heavy-duty accessory drive applications. It uses EPDM rubber with aramid reinforcement for strength, stable tension retention, and resistance to heat and wear in demanding cooling-system drives.\u003c\/p\u003e\u003cp\u003eCompatible with Volvo VHD and VAH, as well as Mack CHU, CXU, GU7, and GU8 applications, this belt is specified for fan and fan-and-water-pump drives. The 12-rib K-section profile and 78.74-inch effective length support the correct accessory drive geometry for the listed applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEPDM construction with aramid reinforcement for durability in accessory drive service.\u003c\/li\u003e\n\u003cli\u003e12-rib K-section design for the listed heavy-duty belt drives.\u003c\/li\u003e\n\u003cli\u003eStraight-rib profile for consistent belt tracking.\u003c\/li\u003e\n\u003cli\u003eBuilt to SAE J1459 and SAE J2432 standards.\u003c\/li\u003e\n\u003cli\u003eBlack finish with a standard rib depth.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2014-2018 Volvo VHD, Fan.\u003c\/li\u003e\n\u003cli\u003eFits 2015-2017 Volvo VAH, Fan.\u003c\/li\u003e\n\u003cli\u003eFits 2016 Mack GU8, Fan and Water Pump.\u003c\/li\u003e\n\u003cli\u003eFits 2015 Mack CHU, Fan.\u003c\/li\u003e\n\u003cli\u003eFits 2008-2009 Mack CHU, Fan.\u003c\/li\u003e\n\u003cli\u003eFits 2014-2015 Mack CXU, Fan.\u003c\/li\u003e\n\u003cli\u003eFits 2010-2014 Mack CHU, Fan, 78 3\/4 In. Belt.\u003c\/li\u003e\n\u003cli\u003eFits 2011-2014 Volvo VAH, Fan and Water Pump.\u003c\/li\u003e\n\u003cli\u003eFits 2007-2013 Volvo VHD, Fan and Water Pump.\u003c\/li\u003e\n\u003cli\u003eFits 2008-2011 Mack GU7, Fan, 12 Rib Belt.\u003c\/li\u003e\n\u003cli\u003eFits 2008-2011 Mack GU8, Fan, 12 Rib Belt.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplication Use\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper drive belt routing for accessory systems.\u003c\/li\u003e\n\u003cli\u003eAddresses belt noise caused by wear or glazing.\u003c\/li\u003e\n\u003cli\u003eHelps correct slipping in fan-drive service.\u003c\/li\u003e\n\u003cli\u003eSupports replacement of cracked, stretched, or heat-aged belts.\u003c\/li\u003e\n\u003cli\u003eMaintains accessory drive operation in heavy-duty cooling applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify belt length, rib count, and cross-section against the existing belt before installation. Confirm the application uses a 12-rib K-section serpentine belt and match the listed fan or fan-and-water-pump configuration. Inspect pulleys and tensioners for wear before installing Dayco 5120788.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDayco manufactures accessory drive components to meet SAE J1459 and SAE J2432 standards. Part number 5120788 is engineered for the specified heavy-duty applications and material requirements.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":53534286053557,"sku":"BCWL-5120788","price":67.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_5120788_Fro.jpg?v=1792130249","url":"https:\/\/www.partcatalog.com\/products\/dayco-5120788-serpentine-belt-fan-or-fan-and-water-pump","provider":"PartCatalog","version":"1.0","type":"link"}