{"product_id":"hayden-5985-accessory-drive-belt-idler-pulley","title":"Hayden 5985 Accessory Drive Belt Idler Pulley - Alternator (Right) or Right","description":"\u003ch2\u003eOverview of Hayden Pulley Accessory Drive Belt Idler Pulley 5985\u003c\/h2\u003e\u003cp\u003eThe Hayden Pulley 5985 is a precision-engineered accessory drive belt idler pulley designed for select BMW models. Engineered with durable plastic and a smooth groove design, this pulley supports serpentine belt systems in vehicles such as the BMW 530i, 740i, 740iL, and 840Ci.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: High-quality plastic construction\u003c\/li\u003e\n\u003cli\u003eColor: Black finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eInside Diameter: 0.375 inches (9.525 mm)\u003c\/li\u003e\n\u003cli\u003eOutside Diameter: 3.1875 inches (80.963 mm)\u003c\/li\u003e\n\u003cli\u003eWidth: 1.125 inches (28.6 mm)\u003c\/li\u003e\n\u003cli\u003eGroove Quantity: Smooth surface for serpentine belts\u003c\/li\u003e\n\u003cli\u003eCompatible Belt Type: Serpentine\u003c\/li\u003e\n\u003cli\u003eMount Hole Quantity: Single mounting hole\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds OEM specifications\u003c\/li\u003e\n\u003cli\u003eMounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eHayden Pulley Product Line Details\u003c\/h2\u003e\u003cp\u003eThe Hayden Pulley product line focuses on delivering reliable pulley components for accessory drive belt systems. This line includes idler and tensioner pulleys designed to maintain proper belt tension and alignment. The Pulley 5985 model is a back idler type, engineered to meet the specific demands of BMW serpentine belt configurations, ensuring consistent performance and durability.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Hayden Pulley 5985 is an idler\/tensioner pulley constructed from durable plastic, featuring a smooth surface groove optimized for serpentine belt applications. With an outside diameter of 3.1875 inches and a width of 1.125 inches, it is designed to fit the accessory drive belt system of BMW 530i, 740i, 740iL, and 840Ci models. The pulley’s inside diameter measures 0.375 inches, accommodating a single mounting hole for secure installation. Its black color finish helps resist corrosion and wear, contributing to long service life. This pulley meets or exceeds OEM standards, providing a reliable replacement part for maintaining proper belt tension and alignment in your BMW’s engine system.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper serpentine belt tension and alignment\u003c\/li\u003e\n\u003cli\u003eEliminates belt slippage and squealing noises\u003c\/li\u003e\n\u003cli\u003ePrevents premature belt wear and damage\u003c\/li\u003e\n\u003cli\u003eReplaces worn or damaged idler pulleys in BMW 530i, 740i, 740iL, and 840Ci\u003c\/li\u003e\n\u003cli\u003eSupports smooth operation of accessory drive components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Hayden Pulley 5985 requires removal of the old idler pulley and securing the new pulley using the existing mounting hardware, which is not included with this part. Ensure the serpentine belt is properly routed and tensioned according to BMW specifications. It is recommended to inspect the belt and other drive components during installation to confirm overall system integrity.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThis Hayden Pulley 5985 meets or exceeds OEM quality standards for fit, form, and function. Manufactured with precision materials and tested for durability, it provides dependable performance for BMW accessory drive belt systems. Warranty information should be confirmed with the distributor or manufacturer, as it may vary.\u003c\/p\u003e","brand":"Hayden","offers":[{"title":"Default Title","offer_id":43944077099189,"sku":"BBTW-5985","price":49.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/HY_5985_Fro.jpg?v=1775005270","url":"https:\/\/www.partcatalog.com\/products\/hayden-5985-accessory-drive-belt-idler-pulley","provider":"PartCatalog","version":"1.0","type":"link"}