Gates 39396 Accessory Drive Belt Tensioner Assembly

Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner

The Gates DriveAlign Premium OE Automatic Belt Tensioner 39396 is engineered to maintain optimal tension on the accessory drive belt system. Designed specifically for select Toyota and Scion models, this thermoplastic tensioner assembly ensures consistent belt performance and longevity.

• Constructed from durable thermoplastic material for reliable operation
• Compatible with V-ribbed belt types used in accessory drive systems
• Features a single pulley with a smooth backside contact surface
• Outside diameter measures 2.56 inches (65 mm) with a width of 0.94 inches (24 mm)
• Includes two mounting holes for secure installation
• OE exact fitment for Toyota C-HR, Corolla, Corolla iM, and Scion iM models

Product Line Details: DriveAlign Premium OE Automatic Belt Tensioner

The DriveAlign Premium OE Automatic Belt Tensioner line by Gates focuses on delivering original equipment (OE) exact replacement parts. This ensures that the tensioner assembly matches factory specifications for fit, form, and function. The 39396 part number belongs to this line, providing a direct replacement solution for maintaining proper accessory belt tension in compatible vehicles.

Technical Specifications and Features

This accessory drive belt tensioner assembly is constructed from thermoplastic, offering a balance of strength and resistance to wear. It includes one pulley without flanges, designed for V-ribbed belts commonly found in Toyota and Scion accessory drive systems. The pulley has an outside diameter of 2.56 inches (65 mm) and a width of 0.94 inches (24 mm), with a smooth backside contact surface to reduce belt wear. The bearing bore inside diameter is 0.67 inches (17 mm), supporting smooth rotation and tensioning. Two mounting holes provide secure attachment to the engine assembly.

Compatible Vehicles and Applications

• Toyota C-HR
• Toyota Corolla
• Toyota Corolla iM
• Scion iM

This tensioner assembly is designed to maintain proper tension on the accessory drive belt system, which drives components such as the alternator, power steering pump, and air conditioning compressor.

Common Issues Addressed by This Belt Tensioner

• Excessive belt slack causing slipping or noise
• Premature belt wear due to improper tension
• Vibration or misalignment in the accessory drive system
• Failure of original tensioner leading to accessory component malfunction
• Reduced engine efficiency from belt slippage

Installation Notes and Tips

Ensure the engine is off and cool before beginning installation. Verify that the mounting holes align correctly with the engine bracket. Use appropriate tools to remove the old tensioner and install the Gates DriveAlign Premium OE Automatic Belt Tensioner 39396 securely. Confirm that the V-ribbed belt seats properly on the smooth backside of the pulley. After installation, rotate the engine manually to check belt tension and alignment.

Quality Assurance and Warranty

The Gates DriveAlign Premium OE Automatic Belt Tensioner 39396 is manufactured to meet OE specifications, ensuring reliable performance and durability. Gates provides quality assurance through rigorous testing and material standards. Warranty details should be confirmed with the product documentation or supplier.