{"product_id":"dayco-5080868-serpentine-belt","title":"Dayco 5080868 Serpentine Belt","description":"\u003ch2\u003eDayco 5080868 Serpentine Belt Overview\u003c\/h2\u003e\u003cp\u003eThe Dayco 5080868 serpentine belt is a K-section accessory drive belt built for demanding engine accessory systems. It uses EPDM with aramid reinforcement for stable performance, consistent rib tracking, and durability across a wide temperature range.\u003c\/p\u003e\u003cp\u003eCompatible With heavy-duty truck and equipment applications that use an 8-rib, K-section belt profile, including Freightliner, Cummins, John Deere, and Navistar platforms where this size is specified.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDayco serpentine belt, part number 5080868\u003c\/li\u003e\n\u003cli\u003eEPDM construction with aramid reinforcement for strength and wear resistance\u003c\/li\u003e\n\u003cli\u003e8-rib, straight-rib design for accessory drive engagement\u003c\/li\u003e\n\u003cli\u003eK-section profile with 1.10 in top width\u003c\/li\u003e\n\u003cli\u003eEffective length: 86.75 in; outside circumference: 87.31 in\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -45°F to 212°F\u003c\/li\u003e\n\u003cli\u003eBuilt to SAE J1459 and SAE J2432 standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDayco 5080868 is a black serpentine belt engineered for accessory drive systems that require an 8-rib K-section belt. The EPDM rubber compound helps maintain flexibility and wear characteristics, while aramid reinforcement adds tensile support for consistent belt tracking under load. This makes it a practical choice for commercial and industrial engines that rely on stable drive performance for alternators, water pumps, air conditioning compressors, and other belt-driven accessories. If you are sourcing a replacement serpentine belt for Freightliner, Cummins, or John Deere equipment, verify the belt dimensions and rib count against the original application before ordering.\u003c\/p\u003e\u003cp\u003eThis part cross-references ACDelco K080868HD for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSquealing or slipping from a worn accessory drive belt\u003c\/li\u003e\n\u003cli\u003eCracking, glazing, or rib wear on the existing serpentine belt\u003c\/li\u003e\n\u003cli\u003eLoss of accessory drive consistency under engine load\u003c\/li\u003e\n\u003cli\u003eIncorrect belt length or rib count during replacement service\u003c\/li\u003e\n\u003cli\u003ePremature belt deterioration from temperature extremes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eConfirm the belt path, rib count, and effective length before installation. Inspect pulleys, tensioners, and idlers for wear or misalignment, since damaged components can shorten belt life and affect tracking. Use the vehicle service information for the correct routing procedure and tensioner release method. For fitment-based searches, this Dayco 5080868 serpentine belt is commonly referenced for Freightliner, Cummins, John Deere, and Navistar applications that specify an 8-rib K-section belt.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eThis belt is manufactured to SAE J1459 and SAE J2432 standards, supporting consistent dimensional and performance requirements for accessory drive service.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":52808150679733,"sku":"BCWL-5080868","price":59.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_5080868_Fro.jpg?v=1784178907","url":"https:\/\/www.partcatalog.com\/products\/dayco-5080868-serpentine-belt","provider":"PartCatalog","version":"1.0","type":"link"}