Dorman 419-367 Accessory Drive Belt Tensioner Assembly

Overview of Dorman Accessory Drive Belt Tensioner Assembly

The Dorman 419-367 accessory drive belt tensioner assembly is engineered for reliable performance in various Mercedes-Benz models. Designed with durable aluminum and plastic components, this tensioner ensures proper serpentine belt tension and smooth operation.

• Constructed from lightweight aluminum for strength and durability
• Includes one plastic pulley with a 40 mm bearing diameter
• Features a counterclockwise rotation for precise belt tensioning
• Compatible with serpentine belt systems requiring a maximum adjustment range of 50 mm
• Two mounting holes with 8.2 mm diameter for secure installation

Detailed Product Description and Specifications

This accessory drive belt tensioner assembly (part number 419-367) is designed specifically for Mercedes-Benz vehicles including C-Class, E-Class, S-Class, GL, ML, and AMG variants. The tensioner measures 127 mm in length with an outside diameter of 76 mm and an inside diameter of 17 mm. Its black and silver finish complements the engine bay while providing corrosion resistance. The single pulley is made of durable plastic and contains one bearing to maintain smooth rotation and reduce wear. The tensioner’s maximum adjustment range of 50 mm allows for effective belt tension control, essential for maintaining accessory drive system performance.

Compatible Mercedes-Benz Models

• Mercedes-Benz C230, C250, C280, C300, C350, C400
• CL63 AMG, CL500
• CLK280
• CLS63 AMG, CLS63 AMG S, CLS350, CLS400
• E63 AMG, E63 AMG S, E250, E280, E300, E350, E400, E500
• G63 AMG, G500, G550, GL63 AMG, GL450, GL500, GL550
• GLE63 AMG, GLE63 AMG S, GLK280, GLK300, GLK350
• GLS63 AMG, ML63 AMG, ML350, ML400, ML450, R350
• S63 AMG, S63L AMG, S350, S400, S450
• SL63 AMG, SL400, SL500, SL550
• SLK55 AMG, SLK200, SLK280, SLK300, SLK350

Common Applications and Issues Addressed

• Maintains proper tension on serpentine belts to prevent slippage
• Reduces belt noise caused by improper tension
• Prevents premature belt wear and extends belt life
• Ensures smooth operation of engine accessories such as alternator and power steering pump
• Addresses belt misalignment and vibration issues

Installation Notes and Tips

• Verify compatibility with your specific Mercedes-Benz model before installation
• Ensure the serpentine belt is properly routed before tensioner installation
• Use appropriate tools to release tension safely during removal and installation
• Inspect the belt and pulleys for wear and replace if necessary
• Follow manufacturer torque specifications for mounting bolts

Quality Assurance and Warranty

Dorman manufactures this accessory drive belt tensioner assembly to meet or exceed OEM standards. The aluminum construction and quality bearing ensure durability and reliable performance. This part is backed by Dorman’s limited warranty, providing coverage against defects in materials and workmanship under normal use.