Dorman 419-000 Accessory Drive Belt Tensioner Assembly

Reliable Accessory Drive Belt Tensioner for Toyota and Scion Vehicles

The Dorman 419-000 accessory drive belt tensioner assembly is designed to maintain proper tension on serpentine belts in select Toyota and Scion models. Engineered for durability and precise fitment, this tensioner supports smooth operation of your vehicle's accessory drive system.

• Compatible with Toyota Camry, Corolla, Matrix, RAV4, Solara, and Scion xB models
• Features a steel pulley with a 70 mm outside diameter and 40 mm bearing diameter
• Single pulley design with one pulley bearing for reliable performance
• Clockwise (CW) tensioner rotation for correct belt alignment
• Designed for serpentine belt systems with a 17 mm inside diameter and approximately 33 mm width

Detailed Product Specifications and Features

The Dorman 419-000 tensioner assembly includes a steel pulley constructed to withstand the demands of accessory drive systems. The pulley measures 70 mm in outside diameter and 40 mm in bearing diameter, ensuring smooth rotation and reduced wear. With a single pulley and one bearing, this tensioner is optimized for serpentine belt applications requiring a 17 mm inside diameter and a width close to 33 mm. The clockwise rotation matches the belt path on compatible Toyota and Scion vehicles, maintaining proper tension and preventing belt slippage.

Compatible Vehicles and Common Applications

This accessory drive belt tensioner is compatible with a range of Toyota and Scion models, including the Camry, Corolla, Matrix, RAV4, Solara, and xB. It is specifically designed for serpentine belt systems in these vehicles, ensuring proper fit and function. The part number 419-000 corresponds to this exact tensioner assembly, making it a suitable replacement for worn or damaged units in these models.

• Prevents belt slippage and noise caused by improper tension
• Addresses belt wear and premature failure issues
• Eliminates squealing noises from loose or failing tensioners
• Restores proper accessory drive system operation
• Helps maintain alternator, power steering, and A/C compressor performance

Installation Notes and Tips

When installing the Dorman 419-000 tensioner, ensure the serpentine belt is properly routed according to the vehicle’s belt diagram. Use appropriate tools to relieve tension and remove the old tensioner carefully. Verify the clockwise rotation of the tensioner matches the original part. After installation, double-check belt alignment and tension to avoid premature wear or noise.

Quality Assurance and Warranty Information

Dorman manufactures this accessory drive belt tensioner assembly to meet or exceed OEM specifications. The steel pulley and bearing components are designed for durability and consistent performance. This part is backed by Dorman’s standard warranty, providing coverage against defects in materials and workmanship for a specified period. Refer to Dorman’s warranty policy for detailed terms.