Gates 38319 Accessory Drive Belt Tensioner Assembly

Reliable Automatic Belt Tensioner for Dodge and Mercedes-Benz Vehicles

The Gates DriveAlign Premium OE Automatic Belt Tensioner 38319 is engineered to maintain optimal tension on V-ribbed accessory drive belts. Designed for select Dodge and Mercedes-Benz models, this tensioner assembly ensures consistent belt performance and longevity.

• Constructed from durable thermoplastic material for strength and heat resistance
• Compatible with V-ribbed belt systems requiring a smooth backside contact surface
• Features a single pulley with a 2.99 inch (76 mm) outside diameter and 1.02 inch (26 mm) width
• Includes two mounting holes for secure installation
• Bearing bore inside diameter measures 0.67 inch (17 mm) for precise fitment
• OE exact replacement meeting original equipment specifications

About the DriveAlign Premium OE Automatic Belt Tensioner Line

The DriveAlign Premium OE Automatic Belt Tensioner line by Gates focuses on delivering tensioner assemblies that match original equipment standards. This product line emphasizes precise fitment and reliable performance for accessory drive belt systems, making it suitable for professional repairs and maintenance on vehicles such as the Mercedes-Benz C-Class and Dodge Sprinter models.

Product Details and Specifications

This accessory drive belt tensioner assembly is designed with a thermoplastic body that withstands engine bay conditions. The single pulley is not flanged and has a smooth backside contact surface, optimized for V-ribbed belts. With an outside diameter of 2.99 inches (76 mm) and a width of 1.02 inches (26 mm), it fits securely in the belt routing system. The bearing bore inside diameter of 0.67 inches (17 mm) ensures compatibility with the specified mounting hardware. The assembly includes two mounting holes for stable attachment, providing consistent belt tension and reducing slippage.

Compatible Vehicles and Applications

• Dodge Sprinter 2500 and Sprinter 3500 models
• Mercedes-Benz models including C230, C250, C280, C300, C350, CL550, CLK350, CLK550, CLS550, E300, E350, E550, G550, GL450, GL550, GLK350, ML350, ML550, R350, S400, S450, S550, SL550, SLK280, SLK300, SLK350

Common Issues Addressed by This Belt Tensioner

• Eliminates belt slippage caused by improper tension
• Prevents premature belt wear and noise
• Maintains consistent accessory drive performance
• Reduces risk of belt misalignment and damage
• Supports smooth operation of engine-driven components

Installation Notes and Tips

Ensure the vehicle is off and cooled before beginning installation. Remove the old tensioner assembly carefully, noting belt routing. Verify the mounting hole alignment and bearing bore dimensions match the new Gates 38319 tensioner. Use proper torque specifications for mounting bolts to avoid damage. After installation, inspect belt tension and alignment to confirm correct operation.

Quality Assurance and Warranty

The Gates DriveAlign Premium OE Automatic Belt Tensioner 38319 is manufactured to meet original equipment standards, providing reliable performance and durability. This part is rated as an OE exact replacement, ensuring compatibility and fitment. Gates typically offers a limited warranty on their tensioner assemblies; please refer to official Gates documentation for specific warranty details.