{"product_id":"dayco-5050398-serpentine-belt","title":"Dayco 5050398 Serpentine Belt","description":"\u003ch2\u003eDurable Serpentine Belt for BMW, Ford, and Mazda Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dayco 5050398 serpentine belt is engineered to provide reliable performance for select BMW, Ford, and Mazda models. Constructed with EPDM and aramid reinforcement, this belt offers enhanced durability and resistance to wear under various operating conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: EPDM with aramid fiber reinforcement for strength and flexibility\u003c\/li\u003e\n\u003cli\u003eTop Width: 0.68 inches\u003c\/li\u003e\n\u003cli\u003eEffective Length: Approximately 39.76 inches (1009.91 mm)\u003c\/li\u003e\n\u003cli\u003eOutside Circumference: Approximately 40.42 inches (1026.67 mm)\u003c\/li\u003e\n\u003cli\u003eRib Quantity: 5 ribs with a straight rib profile\u003c\/li\u003e\n\u003cli\u003eCross Section: K-section design for optimal fit and performance\u003c\/li\u003e\n\u003cli\u003eOperating Temperature Range: -45°C to 212°F (-42.7°C to 100°C)\u003c\/li\u003e\n\u003cli\u003eComplies with SAE J1459 and SAE J2432 standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Overview of Dayco 5050398 Serpentine Belt\u003c\/h2\u003e\u003cp\u003eThis serpentine belt features a K-section cross section and five straight ribs, designed to maintain consistent contact with pulleys and reduce slippage. The EPDM material combined with aramid reinforcement enhances tensile strength and resistance to heat, ozone, and wear. With a top width of 0.68 inches and an effective length near 40 inches, it fits accessory drive systems requiring these precise dimensions. The belt’s operating temperature range from -45°C to 212°F ensures reliable function in diverse climates and engine conditions.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThe Dayco 5050398 serpentine belt is compatible with various BMW, Ford, and Mazda models, including BMW 323, 740iL, and 840Ci; Ford Probe; and Mazda 626, MX-3, and MX-6. This belt is designed for accessory drive belt systems, helping to drive components such as the alternator, power steering pump, and air conditioning compressor.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReplaces worn or cracked serpentine belts\u003c\/li\u003e\n\u003cli\u003eAddresses belt slippage and squealing noises\u003c\/li\u003e\n\u003cli\u003ePrevents accessory drive system failures\u003c\/li\u003e\n\u003cli\u003eImproves belt tension and alignment issues\u003c\/li\u003e\n\u003cli\u003eRestores proper engine accessory function\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eBefore installation, verify the belt length and rib count to ensure compatibility with your vehicle’s accessory drive system. Use a belt tension gauge or follow manufacturer specifications to achieve proper tension. Inspect pulleys and tensioners for wear or damage during replacement to avoid premature belt failure. It is recommended to replace the serpentine belt as part of routine maintenance intervals or when signs of wear appear.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco serpentine belts meet SAE J1459 and SAE J2432 standards, ensuring compliance with industry requirements for durability and performance. The EPDM and aramid reinforced construction provides resistance to heat, ozone, and wear, contributing to extended service life. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391645253813,"sku":"BCWL-5050398","price":23.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_5050398_Fro.jpg?v=1774729081","url":"https:\/\/www.partcatalog.com\/products\/dayco-5050398-serpentine-belt","provider":"PartCatalog","version":"1.0","type":"link"}