Gates 38411 Accessory Drive Belt Tensioner Assembly

OE Automatic Belt Tensioner for Toyota Applications

The Gates DriveAlign Premium OE Automatic Belt Tensioner, part number 38411, is built for accessory drive belt systems that require stable belt tension and OE-style fitment. It is a steel tensioner assembly with a smooth/backside contact surface and a single pulley designed for V-ribbed belts.

Compatible With Toyota Tacoma, Toyota Tundra, Toyota 4Runner, and Toyota FJ Cruiser applications, this tensioner is engineered to match original equipment dimensions and operating characteristics. Gates 38411 is a direct-fit choice for drivers servicing the accessory drive belt system on these Toyota models.

Key Features

• Steel tensioner assembly for accessory drive belt system service
• OE Performance rating for fit, form, and function
• Single pulley design with smooth/backside contact surface
• Built for V-ribbed belt applications
• Mounting hole quantity: 9
• Dimensions: 2.76 in. outside diameter, 1.31 in. width, 17 mm bearing bore inside diameter

DriveAlign Premium OE Line Details

Gates DriveAlign Premium OE Automatic Belt Tensioners are part of a product line focused on original-equipment system design. Gates manufactures these tensioners to rigid tolerances and specifications so the assembly matches OE fit, form, and function for the intended application. Part number 38411 follows that approach for Toyota belt drive service.

Detailed Description

This Gates 38411 accessory drive belt tensioner assembly is designed for Toyota vehicles that use a V-ribbed belt and an automatic tensioning system. It helps maintain proper belt load across the accessory drive system, supporting consistent operation of belt-driven components. This part cross-references Continental 49416 and Dayco 89371 for the same application.

Fits 2005-2015 Toyota Tacoma, N/A. Fits 2005-2010 Toyota Tundra, N/A. Fits 2003-2009 Toyota 4Runner, N/A. Fits 2007-2009 Toyota FJ Cruiser, N/A.

What It Helps Address

• Belt squeal caused by weak or inconsistent tension
• Accessory drive belt flutter or vibration
• Uneven belt wear from a worn tensioner assembly
• Loss of proper belt tracking on V-ribbed systems
• Noise from a failing pulley or tensioner bearing

Installation Notes and Tips

Verify belt routing and inspect the V-ribbed belt, idler pulleys, and related accessory drive components before installation. Confirm the mounting pattern, pulley dimensions, and bearing bore match the original unit on the vehicle. Use the vehicle application data for 2003-2015 Toyota 4Runner, FJ Cruiser, Tacoma, and Tundra to confirm the correct replacement before service.

Quality Assurance

Gates manufactures this tensioner to OE-quality standards with rigid dimensional control for proper fit and performance. The steel construction and OE Performance rating reflect the brand’s focus on original-equipment-style durability for Toyota Tacoma, Toyota Tundra, Toyota 4Runner, and Toyota FJ Cruiser belt drive service.