Gates 39457 DriveAlign Automatic Belt Tensioner Assembly

The Gates 39457 is a DriveAlign Premium OE Automatic Belt Tensioner Assembly designed to maintain optimal tension in your vehicle's accessory drive belt system. Gates brings OE-quality, durability, fit, and performance, with every tensioner manufactured to rigid tolerances and specifications that guarantee OE fit, form, and function.

Key Features:

• Patented labyrinth seal protects internal components to meet or exceed OE life expectancy requirements
• Patented vibration damping system absorbs extreme vibration to improve tensioner as well as belt and accessory life
• Torsional round spring design provides consistent tension and does not allow contamination
• Manufactured using the same technology and quality materials as the Original Equipment Manufacturer (OEM) part

This accessory belt drive tensioner automatically adjusts tension in the belt to ensure proper function and output of accessory components, dampens peak loads during engine acceleration and deceleration, and helps ensure reliable performance when you need it most. Cross-references to OEM part numbers: 1662036061, 2335297, 49864, 780361, 999665, 999665A.