Dorman 419-359 Accessory Drive Belt Tensioner Assembly

Reliable Accessory Drive Belt Tensioner for Chrysler, Dodge, Jeep

The Dorman 419-359 accessory drive belt tensioner assembly is engineered to maintain optimal serpentine belt tension for select Chrysler, Dodge, and Jeep models. Designed with durable aluminum construction and a plastic pulley, this tensioner ensures consistent performance and longevity in your vehicle's accessory drive system.

• Constructed from lightweight, corrosion-resistant aluminum
• Compatible with serpentine belt systems on Chrysler, Dodge, and Jeep vehicles
• Includes one plastic pulley with a 40 mm bearing diameter for smooth operation
• Features a counterclockwise rotation tensioner with a maximum adjustment range of 65 degrees
• Mounting includes two holes with diameters of 8.7 mm and 9.2 mm for secure fitment
• Dimensions: 115 mm length, 24.7 mm width, 65.9 mm outside diameter, 17 mm inside diameter

Detailed Product Description

The Dorman 419-359 accessory drive belt tensioner assembly is designed specifically for use with serpentine belt systems on 2007-2010 Chrysler Avenger, Dodge Caliber, Jeep Compass, Jeep Patriot, and Dodge Journey models. Its aluminum body provides a balance of strength and weight savings, while the plastic pulley with a single bearing ensures smooth belt tracking and reduced wear. The tensioner’s counterclockwise rotation and 65-degree maximum adjustment range allow for precise belt tensioning, helping to maintain proper accessory drive function and reduce belt slippage.

Common Applications and Issues Addressed

• Restores proper tension to serpentine belts in Chrysler, Dodge, and Jeep vehicles
• Eliminates belt squeal caused by loose or worn tensioners
• Prevents premature belt wear and accessory component damage
• Resolves issues related to belt misalignment or tension loss
• Supports smooth operation of alternator, power steering, and air conditioning systems

Installation Notes and Tips

• Ensure vehicle compatibility with Chrysler Avenger, Dodge Caliber, Jeep Compass, Jeep Patriot, or Dodge Journey models before installation
• Use proper tools to remove the old tensioner and install the new assembly securely using the two mounting holes
• Verify the tensioner rotates counterclockwise and the serpentine belt is properly seated on the pulley
• Inspect the serpentine belt for wear and replace if necessary during installation
• Follow manufacturer torque specifications for mounting bolts to avoid damage

Quality Assurance and Warranty

Dorman manufactures the 419-359 accessory drive belt tensioner assembly to meet or exceed OEM standards for fit, form, and function. The aluminum construction and quality bearing materials contribute to reliable performance under normal operating conditions. This part is backed by Dorman’s limited warranty, providing coverage against defects in material and workmanship for a specified period. Always refer to Dorman’s warranty documentation for detailed terms and conditions.