{"product_id":"hayden-5991-accessory-drive-belt-idler-pulley","title":"Hayden 5991 Accessory Drive Belt Idler Pulley","description":"\u003ch2\u003eOverview of Hayden Pulley Accessory Drive Belt Idler Pulley\u003c\/h2\u003e\u003cp\u003eThe Hayden Pulley 5991 is a durable accessory drive belt idler pulley designed for select Chevrolet and GMC models. Engineered to meet or exceed OEM specifications, this black plastic pulley supports serpentine belt systems on vehicles like the Chevrolet S10, S10 Blazer, S15, and GMC Sonoma.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: High-quality black plastic construction\u003c\/li\u003e\n\u003cli\u003eCompatible with serpentine belt systems\u003c\/li\u003e\n\u003cli\u003eInside diameter: 0.46875 inches (12.0 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 5.1875 inches (131.763 mm)\u003c\/li\u003e\n\u003cli\u003eWidth: 1 inch (25.4 mm)\u003c\/li\u003e\n\u003cli\u003eGroove quantity: 6 grooves for belt alignment\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds OEM standards\u003c\/li\u003e\n\u003cli\u003eSingle mount hole design (mounting 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 accessory drive belt system components, providing reliable idler and tensioner pulleys engineered for precise fit and function. The Pulley line ensures compatibility with specific vehicle applications, such as the Chevrolet S10 and GMC Sonoma, offering components that maintain proper belt tension and alignment within the accessory drive system.\u003c\/p\u003e\u003ch2\u003eProduct Description and Specifications\u003c\/h2\u003e\u003cp\u003eThis idler pulley (part number 5991) is constructed from durable plastic and features a black finish. It is designed with six grooves to accommodate serpentine belts up to 1 inch (25.4 mm) wide. The pulley’s inside diameter measures approximately 0.46875 inches (12 mm), while the outside diameter is 5.1875 inches (131.763 mm). Its single mounting hole allows for straightforward installation, although mounting hardware is not included. This pulley is compatible with accessory drive belt systems on Chevrolet S10, S10 Blazer, S15, and GMC Sonoma models, ensuring proper belt routing and tension.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or damaged idler pulleys in serpentine belt systems\u003c\/li\u003e\n\u003cli\u003eResolving belt misalignment or slipping issues\u003c\/li\u003e\n\u003cli\u003eReducing noise caused by pulley wear or bearing failure\u003c\/li\u003e\n\u003cli\u003eMaintaining proper belt tension to prevent accessory drive malfunctions\u003c\/li\u003e\n\u003cli\u003eSupporting accessory components such as alternators, power steering pumps, and air conditioning compressors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify compatibility with your Chevrolet or GMC model before installation\u003c\/li\u003e\n\u003cli\u003eEnsure the serpentine belt width matches the pulley groove width (1 inch \/ 25.4 mm)\u003c\/li\u003e\n\u003cli\u003eInspect mounting hardware and replace if necessary, as it is not included with this pulley\u003c\/li\u003e\n\u003cli\u003eFollow vehicle manufacturer torque specifications when securing the pulley\u003c\/li\u003e\n\u003cli\u003eCheck belt alignment and tension after installation to ensure proper operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe Hayden Pulley 5991 meets or exceeds OEM quality standards, providing reliable performance for accessory drive belt systems. While specific warranty details are not provided, Hayden products typically adhere to industry quality controls to ensure durability and fitment accuracy for Chevrolet and GMC vehicles including the S10, S10 Blazer, S15, and Sonoma.\u003c\/p\u003e","brand":"Hayden","offers":[{"title":"Default Title","offer_id":43944078311605,"sku":"BBTW-5991","price":32.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/HY_5991_Fro_844cfb7c-917a-42d0-8f70-51d7549c4edf.jpg?v=1775005271","url":"https:\/\/www.partcatalog.com\/products\/hayden-5991-accessory-drive-belt-idler-pulley","provider":"PartCatalog","version":"1.0","type":"link"}