Dorman 419-022 Accessory Drive Belt Tensioner Assembly

Overview of Dorman Accessory Drive Belt Tensioner Assembly 419-022

The Dorman 419-022 accessory drive belt tensioner assembly is designed for reliable performance in select Toyota and Scion vehicles. This serpentine belt tensioner ensures proper belt tension and smooth operation of the accessory drive system in models like the Toyota Camry, Highlander, RAV4, Solara, and Scion tC.

• Compatible with Toyota Camry, Highlander, RAV4, Solara, and Scion tC
• Part number 419-022 for precise replacement
• Serpentine belt type with a single steel pulley
• Pulley outside diameter: 70.5 mm, inside diameter: 17 mm
• Width options: 27 mm and 31 mm
• Two pulley bearings with 40 mm bearing diameter for durability
• Clockwise (CW) tensioner rotation for correct belt alignment

Detailed Product Description and Specifications

The Dorman 419-022 accessory drive belt tensioner assembly features a robust steel pulley with an outside diameter of 70.5 mm and an inside diameter of 17 mm, designed to accommodate serpentine belts commonly used in Toyota and Scion vehicles. The tensioner includes two high-quality pulley bearings measuring 40 mm in diameter, which help reduce friction and extend the life of the belt system. With a pulley width of 27 mm and 31 mm, this tensioner assembly supports proper belt tracking and tensioning. The clockwise rotation of the tensioner ensures optimal belt alignment and consistent tension, which is critical for the accessory drive system's performance.

Compatible Vehicles and Applications

This accessory drive belt tensioner assembly is compatible with the following makes and models:

• Toyota Camry
• Toyota Highlander
• Toyota RAV4
• Toyota Solara
• Scion tC

It is designed to replace worn or faulty tensioners in these vehicles, maintaining the proper tension on the serpentine belt to drive components such as the alternator, power steering pump, and air conditioning compressor.

Common Issues Addressed by the Dorman 419-022 Tensioner

• Excessive belt noise or squealing due to improper tension
• Premature belt wear caused by misalignment or slack
• Accessory drive system failure from belt slippage
• Vibration or rattling noises from worn pulley bearings
• Loss of power steering or charging system performance

Installation Notes and Tips

• Ensure the serpentine belt is properly routed before installing the tensioner
• Use appropriate tools to release tension safely during removal and installation
• Inspect the belt for wear and replace if necessary when installing the new tensioner
• Verify clockwise rotation compatibility with your vehicle’s accessory drive system
• Check pulley alignment and bearing condition during installation

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable fit and function. The 419-022 accessory drive belt tensioner assembly undergoes rigorous quality control to ensure durability and performance. While specific warranty terms may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Refer to the product documentation for detailed warranty information.