Gates 39079 Accessory Drive Belt Tensioner Assembly

Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner

The Gates DriveAlign Premium OE Automatic Belt Tensioner 39079 is engineered for precise tension control in accessory drive belt systems. Designed specifically for Lexus and Toyota vehicles such as the Camry and HS250h, this tensioner assembly ensures consistent belt performance and longevity.

• Constructed from durable steel for strength and reliability
• Features a single flanged pulley with a 70 mm (2.76 in) outside diameter
• Includes a V-ribbed grooved contact surface with 4 grooves for optimal belt engagement
• Compatible with V-ribbed belt types used in accessory drive systems
• Mounting configuration includes 2 mounting holes for secure installation
• Precision bearing bore inside diameter of 17 mm (.67 in) for smooth operation
• Width measures 19.5 mm (.77 in) to fit OEM specifications

DriveAlign Premium OE Automatic Belt Tensioner Product Line

The DriveAlign Premium OE Automatic Belt Tensioner line by Gates focuses on delivering original equipment (OE) performance and fitment. This product line is designed to meet or exceed factory standards, providing reliable tension control for accessory drive belt systems. The 39079 tensioner assembly maintains proper belt tension automatically, reducing wear and improving accessory component lifespan in compatible Lexus and Toyota models.

Detailed Product Description

This accessory drive belt tensioner assembly is constructed from steel to provide durability under engine bay conditions. The single pulley is flanged and measures 70 mm in outside diameter, with a width of 19.5 mm, matching OEM dimensions. The pulley’s V-ribbed grooved contact surface with 4 grooves ensures proper belt alignment and grip, compatible with V-ribbed belts commonly found on Lexus Camry and Toyota HS250h vehicles. The bearing bore inside diameter of 17 mm (.67 in) supports smooth rotation and reduces friction, contributing to quieter operation and longer service life.

Common Applications and Issues Addressed

• Restores proper belt tension to prevent slipping or squealing noises
• Eliminates premature belt wear caused by improper tension
• Prevents accessory component failures due to belt misalignment
• Reduces risk of engine overheating by maintaining correct belt drive function
• Addresses vibration and noise issues related to worn or faulty tensioners

Installation Notes and Tips

• Ensure compatibility with Lexus Camry and Toyota HS250h models before installation
• Inspect the accessory drive belt for wear and replace if necessary during tensioner installation
• Use proper tools to release tension safely and avoid damage to the tensioner or belt
• Verify mounting hole alignment and torque specifications according to vehicle manufacturer guidelines
• Check belt routing after installation to confirm correct positioning on the pulley grooves

Quality Assurance and Warranty

The Gates DriveAlign Premium OE Automatic Belt Tensioner 39079 is manufactured to meet OE performance standards, ensuring reliable operation and fitment. Gates products typically come with a limited warranty covering defects in materials and workmanship. For specific warranty details, refer to the product documentation or contact the manufacturer directly.