{"product_id":"dayco-89719-accessory-drive-belt-tensioner-assembly","title":"Dayco 89719 Accessory Drive Belt Tensioner Assembly","description":"\u003ch2\u003eOverview of Dayco Accessory Drive Belt Tensioner Assembly 89719\u003c\/h2\u003e\u003cp\u003eThe Dayco 89719 accessory drive belt tensioner assembly is designed for precise serpentine belt tension control in select BMW models. This automatic tensioner ensures consistent belt performance and durability, supporting optimal engine accessory operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSerpentine belt type for smooth power transmission\u003c\/li\u003e\n\u003cli\u003eCounter clockwise rotation direction\u003c\/li\u003e\n\u003cli\u003eSingle pulley design with 65 mm diameter\u003c\/li\u003e\n\u003cli\u003ePulley width of 25 mm with flat surface\u003c\/li\u003e\n\u003cli\u003eAutomatic tensioner type for maintenance-free operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis Dayco accessory drive belt tensioner assembly (part number 89719) features a single pulley with a 65 mm diameter and a 25 mm width, designed with a flat surface to ensure proper belt alignment and reduce wear. The tensioner operates in a counter clockwise direction, matching the belt routing requirements of compatible BMW vehicles. As an automatic tensioner, it maintains consistent tension on the serpentine belt, reducing the need for manual adjustments and helping to extend belt life.\u003c\/p\u003e\u003ch2\u003eCompatible BMW Models\u003c\/h2\u003e\u003cp\u003eThis tensioner assembly is compatible with a range of BMW models, including the 228i, 228i xDrive, 320i, 320i xDrive, 328i, 328i GT xDrive, 328i xDrive, 428i, 428i Gran Coupe, 428i xDrive, 428i xDrive Gran Coupe, 528i, 528i xDrive, X1, X3, X4, and Z4. Ensure fitment by verifying your vehicle’s model and year before installation.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMaintains proper serpentine belt tension to prevent slippage\u003c\/li\u003e\n\u003cli\u003eReduces belt noise caused by improper tension\u003c\/li\u003e\n\u003cli\u003ePrevents premature belt wear and damage\u003c\/li\u003e\n\u003cli\u003eSupports smooth operation of engine accessories like alternator and power steering\u003c\/li\u003e\n\u003cli\u003eEliminates the need for manual tension adjustments\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dayco 89719 tensioner assembly, ensure the belt routing matches the counter clockwise direction of the pulley. Verify pulley alignment and belt condition before installation. Use appropriate tools to relieve tension safely and avoid damage to the tensioner or belt. It is recommended to inspect the serpentine belt and related components during installation for optimal performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures this accessory drive belt tensioner assembly to meet OEM specifications for durability and performance. The automatic tensioner design supports consistent belt tension over time. While specific warranty details may vary, Dayco products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or your supplier for exact warranty terms.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391612125365,"sku":"BCWL-89719","price":105.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_89719_Fro_a002ca4e-bb27-4300-8920-4895d3a3255d.jpg?v=1774728960","url":"https:\/\/www.partcatalog.com\/products\/dayco-89719-accessory-drive-belt-tensioner-assembly","provider":"PartCatalog","version":"1.0","type":"link"}