{"product_id":"hayden-5984-accessory-drive-belt-idler-pulley","title":"Hayden 5984 Accessory Drive Belt Idler Pulley","description":"\u003ch2\u003eOverview of Hayden Pulley Accessory Drive Belt Idler Pulley 5984\u003c\/h2\u003e\u003cp\u003eThe Hayden Pulley 5984 is a precision-engineered accessory drive belt idler pulley designed for select BMW models including the 530i, 540i, 740i, 740iL, and 840Ci. This black plastic pulley supports serpentine belt systems, ensuring smooth operation and reliable tension management.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: Durable black plastic construction\u003c\/li\u003e\n\u003cli\u003eOutside Diameter: 2.750 inches (69.85 mm)\u003c\/li\u003e\n\u003cli\u003eInside Diameter (Bore): 0.375 inches (9.525 mm)\u003c\/li\u003e\n\u003cli\u003eWidth: 1.125 inches (28.6 mm)\u003c\/li\u003e\n\u003cli\u003eBelt Type Compatibility: Serpentine belts with 1.125 inch (28.575 mm) width\u003c\/li\u003e\n\u003cli\u003eGroove Quantity: Smooth surface for optimal belt contact\u003c\/li\u003e\n\u003cli\u003eMount Hole Quantity: Single mounting hole (hardware not included)\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds OEM specifications\u003c\/li\u003e\n\u003cli\u003ePulley Type: Back idler pulley, suitable for idler\/tensioner applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Hayden Pulley 5984 is part of the Pulley brand line, which focuses on delivering reliable accessory drive belt system components. This idler pulley is specifically designed to maintain proper tension and alignment of serpentine belts in BMW vehicles such as the 530i, 540i, 740i, 740iL, and 840Ci. Constructed from high-quality plastic, the pulley offers a smooth surface to reduce belt wear and noise. Its precise dimensions, including a 2.750 inch outside diameter and a 0.375 inch bore diameter, ensure compatibility with factory specifications. The single mounting hole design allows for straightforward installation, although mounting hardware is not included.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplaces worn or damaged idler pulleys causing belt misalignment\u003c\/li\u003e\n\u003cli\u003eEliminates belt squeal or slipping due to pulley wear\u003c\/li\u003e\n\u003cli\u003eRestores proper serpentine belt tension in BMW 530i, 540i, 740i, 740iL, and 840Ci models\u003c\/li\u003e\n\u003cli\u003ePrevents premature belt failure by maintaining smooth belt routing\u003c\/li\u003e\n\u003cli\u003eSupports accessory drive components such as alternator and power steering pump\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify compatibility with your specific BMW model and engine configuration\u003c\/li\u003e\n\u003cli\u003eEnsure the serpentine belt width matches 1.125 inches (28.575 mm) for proper fit\u003c\/li\u003e\n\u003cli\u003eUse appropriate mounting hardware as it is not included with the pulley\u003c\/li\u003e\n\u003cli\u003eInspect belt and other pulleys during installation for wear or damage\u003c\/li\u003e\n\u003cli\u003eFollow manufacturer torque specifications for mounting bolt\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe Hayden Pulley 5984 meets or exceeds OEM standards for fit, form, and function, providing reliable performance in BMW accessory drive belt systems. While specific warranty details are not provided, Hayden products typically adhere to industry quality controls to ensure durability and long service life.\u003c\/p\u003e","brand":"Hayden","offers":[{"title":"Default Title","offer_id":43944076181685,"sku":"BBTW-5984","price":46.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/HY_5984_Fro.jpg?v=1775005269","url":"https:\/\/www.partcatalog.com\/products\/hayden-5984-accessory-drive-belt-idler-pulley","provider":"PartCatalog","version":"1.0","type":"link"}