{"product_id":"four-seasons-45071-accessory-drive-belt-idler-pulley","title":"Four Seasons 45071 Accessory Drive Belt Idler Pulley","description":"\u003ch2\u003eOverview of Four Seasons Pulley Accessory Drive Belt Idler Pulley\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Pulley 45071 is a steel accessory drive belt idler pulley designed for select Chevrolet and GMC heavy-duty trucks and vans. Engineered to meet or exceed OEM specifications, this pulley supports serpentine belt systems in vehicles such as the Chevrolet Silverado 2500 HD and GMC Sierra 3500 HD.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable steel with a black finish\u003c\/li\u003e\n\u003cli\u003eCompatible with serpentine belt systems, belt width 1 inch (25.4 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter measures 3.000 inches (76.2 mm)\u003c\/li\u003e\n\u003cli\u003eInside diameter (bore) of 0.399 inches (10.16 mm)\u003c\/li\u003e\n\u003cli\u003eSmooth groove design for efficient belt operation\u003c\/li\u003e\n\u003cli\u003eSingle mount hole for secure installation\u003c\/li\u003e\n\u003cli\u003eBack idler pulley style, suitable for tensioner applications\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds original equipment manufacturer (OEM) standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis Four Seasons Pulley 45071 idler pulley is crafted from steel to provide reliable strength and longevity in accessory drive belt systems. Its black finish offers corrosion resistance, maintaining performance under demanding engine conditions. The pulley features a smooth groove surface, optimized for serpentine belts with a width of 1 inch (25.4 mm), ensuring consistent belt tracking and tension. With an outside diameter of 3 inches and an inside bore diameter of 0.399 inches, it fits precisely on the mounting hardware of compatible Chevrolet and GMC models.\u003c\/p\u003e\u003cp\u003eThe pulley is designed as a back idler type, commonly used in tensioner assemblies to maintain proper belt tension and alignment. It includes one mounting hole but does not come with mounting hardware, allowing for compatibility with existing factory components. This part number 45071 is engineered to meet or exceed OEM requirements, providing a direct replacement for worn or damaged idler pulleys in heavy-duty trucks and vans.\u003c\/p\u003e\u003ch2\u003eAbout the Four Seasons Pulley Product Line\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Pulley line focuses on accessory drive belt system components that deliver reliable performance and durability. This product line includes idler and tensioner pulleys designed to maintain proper belt tension and alignment in various vehicle applications. The Pulley series is engineered to meet OEM specifications, ensuring compatibility and longevity in demanding automotive environments.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or damaged idler pulleys in Chevrolet Express 2500 and 3500 vans\u003c\/li\u003e\n\u003cli\u003eRestores proper serpentine belt tension in GMC Sierra 2500 HD and 3500 HD trucks\u003c\/li\u003e\n\u003cli\u003eEliminates belt slippage and noise caused by pulley wear\u003c\/li\u003e\n\u003cli\u003ePrevents premature belt wear due to misalignment\u003c\/li\u003e\n\u003cli\u003eSupports accessory drive system reliability in Silverado 2500 HD Classic and 3500 Classic models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify compatibility with your specific Chevrolet or GMC model before installation\u003c\/li\u003e\n\u003cli\u003eEnsure the mounting hardware is in good condition; hardware is not included with this pulley\u003c\/li\u003e\n\u003cli\u003eInspect the serpentine belt for wear and replace if necessary during pulley installation\u003c\/li\u003e\n\u003cli\u003eUse proper torque specifications to secure the pulley to avoid damage or misalignment\u003c\/li\u003e\n\u003cli\u003eConsult vehicle service manual for detailed installation procedures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Pulley 45071 is manufactured to meet or exceed OEM standards, ensuring reliable fit and function. While specific warranty details are not provided, Four Seasons products typically undergo rigorous quality control to maintain performance and durability in automotive applications.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":44599897260213,"sku":"BBRN-45071","price":21.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_45071_Fro.jpg?v=1775068433","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-45071-accessory-drive-belt-idler-pulley","provider":"PartCatalog","version":"1.0","type":"link"}