Dorman 419-111 Accessory Drive Belt Tensioner Assembly

Reliable Accessory Drive Belt Tensioner for Chevrolet Cavalier and Pontiac Sunfire

The Dorman 419-111 accessory drive belt tensioner assembly is designed to maintain proper tension on the serpentine belt system for Chevrolet Cavalier and Pontiac Sunfire models. Engineered for durability and precise fitment, this tensioner helps ensure smooth operation of your vehicle's accessory drive components.

• Compatible with Chevrolet Cavalier and Pontiac Sunfire
• Serpentine belt type tensioner assembly
• Single pulley with a 40 mm bearing diameter
• Polyamide 6.6 pulley material reinforced with 30% glass fiber
• Clockwise (CW) tensioner rotation for correct belt alignment
• Outside diameter: 77 mm, Inside diameter: 17 mm
• Width dimensions: 16 mm and 26 mm for precise fit
• Includes one pulley bearing for smooth operation

Detailed Product Description and Specifications

The Dorman 419-111 accessory drive belt tensioner assembly is specifically engineered for the serpentine belt systems found in Chevrolet Cavalier and Pontiac Sunfire vehicles. Featuring a single pulley constructed from polyamide 6.6 with 30% glass fiber fill, this tensioner offers enhanced strength and resistance to wear. The pulley bearing diameter measures 40 mm, supporting reliable rotation and reducing friction. With an outside diameter of 77 mm and inside diameter of 17 mm, the tensioner fits precisely within the accessory drive system. The tensioner rotates clockwise (CW), ensuring proper belt tension and alignment to prevent slippage or premature belt wear.

Common Applications and Problem Resolution

• Maintains correct serpentine belt tension to prevent belt slipping
• Reduces noise caused by worn or loose belt tensioners
• Prevents accessory drive component failure due to improper belt tension
• Addresses belt misalignment issues in Chevrolet Cavalier and Pontiac Sunfire
• Replaces worn or damaged tensioner assemblies to restore system reliability

Installation Notes and Tips

When installing the Dorman 419-111 tensioner assembly, ensure the serpentine belt is properly routed according to the vehicle’s service manual. Use appropriate tools to relieve tension from the old belt tensioner before removal. Verify the tensioner rotates clockwise (CW) to match the original equipment specifications. Inspect the serpentine belt for wear and replace if necessary to maximize the lifespan of the new tensioner. Proper torque specifications should be followed during installation to avoid damage or misalignment.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 419-111 accessory drive belt tensioner assembly undergoes rigorous quality control to ensure durability and performance in Chevrolet Cavalier and Pontiac Sunfire vehicles. This part is backed by Dorman’s limited warranty, providing coverage against defects in material and workmanship under normal use.