Gates 39455 Accessory Drive Belt Tensioner Assembly

Overview of Gates DriveAlign Premium OE Automatic Belt Tensioner 39455

The Gates DriveAlign Premium OE Automatic Belt Tensioner 39455 is engineered to maintain optimal tension on the accessory drive belt system. Designed specifically for select Lexus models, this tensioner assembly ensures consistent belt performance and longevity.

• Constructed from durable steel for strength and reliability
• Compatible with V-ribbed belt systems
• Single pulley design without flange
• Outside pulley diameter of 70 mm (2.76 in) and width of 34 mm (1.34 in)
• Three mounting holes for secure installation
• OE exact fit and performance for Lexus GS350, GS450h, IS300, IS350, RC300, and RC350

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 tensioner assemblies. This product line is designed to meet or exceed factory specifications, providing precise belt tension control and smooth operation. The 39455 tensioner assembly is part of this line, ensuring compatibility and performance consistent with Lexus factory standards.

Detailed Product Description and Specifications

This accessory drive belt tensioner assembly features a steel construction that offers durability under demanding engine conditions. The pulley has a smooth backside contact surface and measures 70 mm (2.76 inches) in outside diameter with a width of 34 mm (1.34 inches). It includes a single pulley without a flange, designed for V-ribbed belt applications. The bearing bore inside diameter is 17 mm (0.67 inches), supporting smooth rotation and reducing wear. The tensioner mounts securely with three mounting holes, ensuring proper alignment and tension on the belt system.

Common Applications and Issues Addressed

• Maintains proper tension on the accessory drive belt to prevent slippage
• Reduces belt noise caused by improper tension
• Prevents premature belt wear and extends belt life
• Eliminates vibration and misalignment in the belt drive system
• Restores factory belt tension performance in Lexus GS350, GS450h, IS300, IS350, RC300, and RC350 models

Installation Notes and Tips

When installing the Gates DriveAlign Premium OE Automatic Belt Tensioner 39455, ensure the belt type is V-ribbed as specified. Verify the mounting surface is clean and free of debris before securing the tensioner with the three mounting bolts. Proper torque specifications should be followed according to vehicle manufacturer guidelines. Confirm pulley alignment to avoid belt mis-tracking and premature wear.

Quality Assurance and Warranty

Gates provides OE exact replacement parts with rigorous quality control to meet factory standards. The DriveAlign Premium OE Automatic Belt Tensioner 39455 is manufactured to deliver consistent performance and durability. Please refer to Gates’ official warranty policy for coverage details.