Gates 38357 Accessory Drive Belt Tensioner Assembly

Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner

The Gates DriveAlign Premium OE Automatic Belt Tensioner 38357 is engineered for precise belt tension control in Mazda vehicles, including the Mazda 3, Mazda 3 Sport, and Mazda 5 models. Designed with durable steel construction and a flanged pulley, this tensioner assembly ensures reliable performance in accessory drive belt systems.

• Constructed from high-strength steel for durability
• Flanged pulley design for secure belt alignment
• Compatible with V-ribbed belts featuring 6 grooves
• Outside pulley diameter of 70 mm (2.76 in) and width of 28 mm (1.1 in)
• Three mounting holes for stable installation
• OE improved rating for enhanced performance and fit

Detailed Product Features and Specifications

This accessory drive belt tensioner assembly features a single flanged pulley with a V-ribbed grooved contact surface, designed to accommodate V-ribbed belts with six grooves. The pulley has an outside diameter of 70 mm (2.76 inches) and a width of 28 mm (1.1 inches), providing optimal belt engagement and tension. The bearing bore inside diameter measures 17 mm (0.67 inches), ensuring smooth rotation and long service life. The tensioner includes three mounting holes for secure attachment to the engine assembly. The steel material construction offers strength and resistance to wear under demanding operating conditions.

DriveAlign Premium OE Automatic Belt Tensioner Product Line

The DriveAlign Premium OE Automatic Belt Tensioner line by Gates focuses on delivering original equipment (OE) quality with improvements in durability and fit. This product line is designed to meet or exceed OE specifications, providing a reliable replacement option for accessory drive belt tensioners. The 38357 part number is part of this line, offering enhanced performance for Mazda 3, Mazda 3 Sport, and Mazda 5 vehicles.

Applications and Common Issues Addressed

• Maintains proper tension on V-ribbed accessory drive belts
• Prevents belt slippage and noise in Mazda 3 and Mazda 5 models
• Reduces premature belt wear caused by improper tension
• Eliminates vibration and misalignment in the belt system
• Supports smooth operation of engine accessories such as alternator and power steering pump

Installation Notes and Tips

When installing the Gates DriveAlign Premium OE Automatic Belt Tensioner 38357, ensure the mounting surface is clean and free of debris. Use the three mounting holes to securely fasten the tensioner assembly according to manufacturer torque specifications. Verify that the V-ribbed belt is properly seated in the six grooves of the pulley and that the flanged pulley aligns the belt correctly to prevent slippage. It is recommended to inspect the belt condition and replace if necessary during installation.

Quality Assurance and Warranty

Gates manufactures the DriveAlign Premium OE Automatic Belt Tensioner 38357 to meet stringent quality standards, ensuring reliable fit and function for Mazda 3, Mazda 3 Sport, and Mazda 5 vehicles. This part carries an OE improved rating, indicating enhanced durability and performance over standard replacements. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.