Dorman 419-106 Accessory Drive Belt Tensioner Assembly

Reliable Accessory Drive Belt Tensioner for Buick, Chevrolet, and Oldsmobile

The Dorman 419-106 accessory drive belt tensioner assembly is engineered to maintain optimal serpentine belt tension in select Buick, Chevrolet, and Oldsmobile vehicles. Designed for models such as the Cavalier, Century, Corsica, Cutlass Ciera, Firenza, and Skyhawk, this tensioner ensures consistent performance and durability.

Key Features of the Dorman 419-106 Tensioner Assembly

• Compatible with serpentine belt systems on Buick, Chevrolet, and Oldsmobile vehicles
• Single steel AISI 1008 pulley with a 100 mm outside diameter and 40 mm bearing diameter
• Clockwise (CW) rotation tensioner for precise belt tension control
• One pulley bearing designed for smooth operation and longevity
• Dimensions: 17 mm inside diameter, 16 mm and 28.5 mm widths for proper fitment

Detailed Description and Technical Specifications

The Dorman 419-106 accessory drive belt tensioner assembly is built to exacting standards, featuring a robust steel AISI 1008 pulley that measures 100 mm in outside diameter. The pulley includes a single bearing with a 40 mm diameter, ensuring smooth rotation and reduced wear. This tensioner is designed for serpentine belt systems, providing consistent tension with a clockwise rotation mechanism. Its dimensions, including a 17 mm inside diameter and widths of 16 mm and 28.5 mm, are tailored to fit specific vehicle applications accurately.

Compatible Vehicles and Common Applications

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

• Buick Century, Skylark
• Chevrolet Cavalier, Corsica
• Oldsmobile Cutlass Ciera, Firenza, Skyhawk

It is ideal for replacing worn or damaged tensioners in these vehicles to maintain proper accessory drive belt tension and prevent belt slippage or noise.

Common Issues Addressed by the Dorman 419-106 Tensioner

• Eliminates belt squealing caused by improper tension
• Prevents premature serpentine belt wear and damage
• Reduces risk of accessory component failure due to belt slippage
• Restores proper belt alignment and tension for efficient engine operation
• Minimizes vibration and noise from the accessory drive system

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
• Verify clockwise rotation compatibility with your vehicle’s belt system
• Inspect the serpentine belt for wear and replace if necessary during installation
• Follow vehicle-specific service manual instructions for torque specifications

Quality Assurance and Warranty Information

Dorman manufactures the 419-106 tensioner assembly to meet or exceed OEM specifications, using durable materials such as steel AISI 1008 for the pulley. The product undergoes rigorous quality control to ensure reliable performance. While specific warranty terms may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation for detailed warranty information.