{"product_id":"gates-39140-accessory-drive-belt-tensioner-assembly","title":"Gates 39140 Accessory Drive Belt Tensioner Assembly","description":"\u003ch2\u003eOverview of Gates DriveAlign Premium OE Automatic Belt Tensioner\u003c\/h2\u003e\u003cp\u003eThe Gates DriveAlign Premium OE Automatic Belt Tensioner (Part Number 39140) is engineered for precise belt tension control in Lexus vehicles. Designed specifically for models such as the GS300, GS350, IS250, IS300, IS350, RC300, and RC350, this tensioner assembly ensures reliable accessory drive belt performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable steel for long-lasting strength\u003c\/li\u003e\n\u003cli\u003eCompatible with V-ribbed belt systems\u003c\/li\u003e\n\u003cli\u003eSingle pulley design without flange for smooth operation\u003c\/li\u003e\n\u003cli\u003eMounting hole quantity: 8 for secure installation\u003c\/li\u003e\n\u003cli\u003eOutside diameter of pulley: 70 mm (2.76 in)\u003c\/li\u003e\n\u003cli\u003eWidth of pulley: 33.5 mm (1.32 in)\u003c\/li\u003e\n\u003cli\u003eBearing bore inside diameter: 17 mm (0.67 in)\u003c\/li\u003e\n\u003cli\u003eContact surface is smooth on the backside to reduce belt wear\u003c\/li\u003e\n\u003cli\u003eOE exact comparison rating for direct replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Line Details: DriveAlign Premium OE Automatic Belt Tensioner\u003c\/h2\u003e\u003cp\u003eThe DriveAlign Premium OE Automatic Belt Tensioner line by Gates focuses on delivering original equipment quality and fitment. This product line is designed to meet or exceed OEM specifications, providing consistent belt tension to optimize accessory drive system performance. The 39140 tensioner assembly is part of this line, ensuring compatibility and durability for Lexus V-ribbed belt applications.\u003c\/p\u003e\u003ch2\u003eTechnical Description and Specifications\u003c\/h2\u003e\u003cp\u003eThis accessory drive belt tensioner assembly features a robust steel construction that withstands the demands of engine operation. The single pulley, measuring 70 mm in outside diameter and 33.5 mm in width, is designed without a flange to accommodate specific belt routing requirements. The bearing bore inside diameter of 17 mm (0.67 in) supports smooth rotation and reduces wear. With eight mounting holes, the tensioner provides a secure fitment on compatible Lexus models. The smooth backside contact surface minimizes belt abrasion, contributing to longer belt life and consistent tension.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper tension to V-ribbed accessory drive belts\u003c\/li\u003e\n\u003cli\u003eEliminates belt slippage and associated noise\u003c\/li\u003e\n\u003cli\u003ePrevents premature belt wear and cracking\u003c\/li\u003e\n\u003cli\u003eAddresses issues with belt misalignment or tension loss\u003c\/li\u003e\n\u003cli\u003eReplaces worn or damaged tensioner assemblies in Lexus GS and IS series\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with Lexus GS300, GS350, IS250, IS300, IS350, RC300, and RC350 models before installation\u003c\/li\u003e\n\u003cli\u003eInspect the accessory drive belt for wear and replace if necessary during tensioner installation\u003c\/li\u003e\n\u003cli\u003eUse proper torque specifications for mounting bolts to avoid damage\u003c\/li\u003e\n\u003cli\u003eVerify belt alignment and tension after installation to ensure optimal performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe Gates DriveAlign Premium OE Automatic Belt Tensioner (Part Number 39140) is manufactured to meet original equipment standards. Gates provides quality assurance through rigorous testing and material selection. This part carries an OE exact comparison rating, ensuring it matches the fit and function of the original component. Warranty coverage details should be confirmed with the product documentation or supplier.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":43611094253749,"sku":"BBSC-39140","price":288.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_39140_Fro.jpg?v=1774983706","url":"https:\/\/www.partcatalog.com\/products\/gates-39140-accessory-drive-belt-tensioner-assembly","provider":"PartCatalog","version":"1.0","type":"link"}