{"product_id":"four-seasons-45039-accessory-drive-belt-idler-pulley","title":"Four Seasons 45039 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 45039 is a precision-engineered accessory drive belt idler pulley designed for select Audi models, including the Audi 90, 90 Quattro, 100, 100 Quattro, and Cabriolet. 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: 3.5 inches (88.9 mm)\u003c\/li\u003e\n\u003cli\u003eInside Diameter: 1.00 inch (25.4 mm) compatible with serpentine belts\u003c\/li\u003e\n\u003cli\u003eWidth: 1.062 inches (27 mm)\u003c\/li\u003e\n\u003cli\u003eGroove Quantity: Smooth surface for optimal belt contact\u003c\/li\u003e\n\u003cli\u003eMount Hole Quantity: Single mount hole with included hardware\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds OEM specifications\u003c\/li\u003e\n\u003cli\u003eDesigned as a back idler pulley for tensioning and guiding belts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFour Seasons Pulley Product Line Details\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Pulley product line focuses on delivering reliable accessory drive belt system components that meet or exceed original equipment manufacturer standards. The 45039 idler pulley is part of this line, engineered to provide consistent belt tension and reduce wear on serpentine belt systems in compatible Audi vehicles.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis accessory drive belt idler pulley features a smooth black plastic surface with a 3.5-inch outside diameter and a 1.00-inch inside diameter, designed specifically for serpentine belt applications. The pulley width of 1.062 inches ensures proper belt alignment and tension. Its single mounting hole and included hardware simplify installation. The back idler pulley style helps maintain proper belt routing and tension, reducing the risk of belt slippage or premature wear. Compatible with Audi 90, 90 Quattro, 100, 100 Quattro, and Cabriolet models, the Four Seasons Pulley 45039 is engineered to meet or exceed OEM quality standards.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper tension in serpentine belt systems\u003c\/li\u003e\n\u003cli\u003eEliminates belt noise caused by worn or damaged pulleys\u003c\/li\u003e\n\u003cli\u003ePrevents belt slippage and misalignment\u003c\/li\u003e\n\u003cli\u003eReduces premature belt wear and extends belt life\u003c\/li\u003e\n\u003cli\u003eSupports smooth operation of accessory components like alternators and power steering pumps\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure vehicle compatibility with Audi 90, 90 Quattro, 100, 100 Quattro, and Cabriolet models before installation\u003c\/li\u003e\n\u003cli\u003eUse included mounting hardware for secure fitment\u003c\/li\u003e\n\u003cli\u003eInspect serpentine belt for wear and replace if necessary during pulley installation\u003c\/li\u003e\n\u003cli\u003eFollow manufacturer torque specifications for mounting bolt\u003c\/li\u003e\n\u003cli\u003eVerify proper belt alignment and tension after installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Pulley 45039 meets or exceeds OEM specifications, ensuring reliable performance and durability. This idler pulley is manufactured with quality materials and precision engineering to provide consistent operation within the accessory drive belt system. Installation with included hardware supports a secure fit. Warranty details are provided by Four Seasons and typically cover defects in material and workmanship under normal use.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":44599885660341,"sku":"BBRN-45039","price":28.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_45039_Fro.jpg?v=1775068425","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-45039-accessory-drive-belt-idler-pulley","provider":"PartCatalog","version":"1.0","type":"link"}