Dorman 419-106 Accessory Drive Belt Tensioner Assembly

Accessory Drive Belt Tensioner for OE Fit

This Dorman accessory drive belt tensioner assembly is built to match the fit and function of the original belt tensioner on specified vehicles. It is a serpentine belt tensioner assembly with a single steel pulley and clockwise rotation, made for dependable belt control in the accessory drive system.

Compatible With 1987-1994 Chevrolet Cavalier, 1987-1991 Chevrolet Corsica, 1987-1989 Buick Skyhawk, 1987-1988 Oldsmobile Firenza, 1993-1996 Buick Century, and 1993-1996 Oldsmobile Cutlass Ciera. Dorman 419-106 is a direct-fit replacement for vehicles that need a precise accessory drive belt tensioner assembly.

Key Features

• OE-style replacement belt tensioner assembly for specified applications
• Serpentine belt design for accessory drive systems
• Single pulley construction with steel AISI 1008 pulley material
• Clockwise tensioner rotation
• 40 mm pulley bearing diameter for smooth pulley operation
• Engineered with quality components and tested for reliable performance
• Cross-references Gates 38109 and Dayco 89226 for the same application

Detailed Description

Dorman 419-106 is an accessory drive belt tensioner assembly designed for vehicles that require a replacement tensioner matching the original equipment layout. The assembly uses a steel pulley with one bearing and a serpentine belt configuration to help maintain proper belt tension in the accessory drive belt system. With its OE-style fit and function, it is suited for service on Chevrolet Cavalier and Corsica, Buick Skyhawk and Century, Oldsmobile Firenza, and Oldsmobile Cutlass Ciera applications listed above.

Built with quality components and validated through testing, this tensioner is intended for direct replacement service where the original unit has worn, lost tension, or developed pulley noise. The Dorman 419-106 part number is also useful when searching for a replacement belt tensioner assembly by interchange reference.

What It Helps Address

• Loose or inconsistent serpentine belt tension
• Belt squeal caused by a worn tensioner or pulley
• Accessory drive belt tracking issues
• Noise from a failing tensioner bearing
• Loss of proper belt control in the drive system

Installation Notes and Tips

Verify the vehicle year, make, model, and tensioner rotation before installation. Confirm pulley alignment and belt routing against the original setup, and inspect the serpentine belt, idler pulleys, and related accessory drive components for wear while the system is apart. Dorman 419-106 should be matched to the listed applications and installed according to the vehicle service procedure.

Quality Assurance

This replacement tensioner assembly is engineered to match original equipment fit and function and has been extensively tested for reliable operation. Dorman 419-106 is built with quality components for durability in everyday service.