{"product_id":"dayco-5050455-serpentine-belt","title":"Dayco 5050455 Serpentine Belt","description":"\u003ch2\u003eDayco Serpentine Belt 5050455 Overview\u003c\/h2\u003e\u003cp\u003eThe Dayco 5050455 serpentine belt is a 5-rib accessory drive belt built from EPDM with aramid reinforcement for consistent belt tracking and durability. It is sized for applications that call for a 45.50-inch effective length and a 46.16-inch outside circumference, with a K-section profile and straight ribs.\u003c\/p\u003e\u003cp\u003eCompatible With select BMW, Chevrolet, GMC, Mazda, and Fiat applications, this belt is specified for accessory drive systems that power components such as the alternator, fan, air conditioning, power steering, and water pump, depending on vehicle configuration.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDayco part number 5050455\u003c\/li\u003e\n\u003cli\u003eEPDM construction with aramid reinforcement\u003c\/li\u003e\n\u003cli\u003e5-rib, K-section serpentine belt design\u003c\/li\u003e\n\u003cli\u003eTop width: 0.68 in.\u003c\/li\u003e\n\u003cli\u003eEffective length: 45.50 in. \/ 1155.70 mm\u003c\/li\u003e\n\u003cli\u003eOutside circumference: 46.16 in. \/ 1172.47 mm\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 5050455 is an accessory drive serpentine belt engineered for vehicles that require a 5-rib, straight-rib belt with a K-section cross section. The EPDM rubber compound and aramid reinforcement are selected for strength and stable performance in accessory drive systems, while the listed temperature range supports operation in both cold and hot environments. This belt cross-references ACDelco 5K455 and Gates K050455 for the same application.\u003c\/p\u003e\u003cp\u003eFitment includes 2018-2020 Fiat 500L, 1999-2000 Mazda Protege, 1990-1994 BMW 750iL, 1991-1994 BMW 850Ci, 1991-1992 BMW 850i, 1990-1991 Chevrolet R3500, 1990-1991 Chevrolet V3500, 1990-1991 GMC R3500, and 1990-1991 GMC V3500. The Dayco 5050455 is also listed for accessory drive configurations on these vehicles, including fan, alternator, air conditioning, power steering, and water pump applications where specified.\u003c\/p\u003e\u003ch2\u003eCommon Uses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestoring proper drive belt tension and accessory operation\u003c\/li\u003e\n\u003cli\u003eReplacing a worn or cracked serpentine belt\u003c\/li\u003e\n\u003cli\u003eAddressing belt squeal, glazing, or rib wear\u003c\/li\u003e\n\u003cli\u003eCorrecting accessory drive slip on alternator, A\/C, or power steering systems\u003c\/li\u003e\n\u003cli\u003eServicing belt-driven fan or water pump applications on listed vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the belt length, rib count, and cross section against the vehicle’s accessory drive routing before installation. Confirm the exact engine and accessory configuration, especially on BMW, Chevrolet, GMC, and Mazda applications where belt routing can vary by equipment package. Inspect pulleys, tensioners, and idlers for wear before installing the new belt, and make sure the belt seats fully in each pulley groove.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eThis belt is manufactured to SAE J1459 and SAE J2432 standards, with EPDM and aramid reinforcement specified for consistent accessory drive service. Dayco 5050455 is a direct-fit style replacement for the listed applications when the vehicle’s belt routing and dimensions match the published specifications.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":52396008243381,"sku":"BCWL-5050455","price":29.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_5050455_Fro.jpg?v=1777757579","url":"https:\/\/www.partcatalog.com\/products\/dayco-5050455-serpentine-belt","provider":"PartCatalog","version":"1.0","type":"link"}