GMB 470-3177 Engine Timing Belt Tensioner Hydraulic Assembly

Reliable Engine Timing Belt Tensioner for Lexus and Toyota

The GMB 470-3177 Engine Timing Belt Tensioner Hydraulic Assembly is designed to maintain optimal tension on serpentine and V-belts in select Lexus and Toyota models. This component ensures smooth engine operation and helps prevent belt slippage or premature wear.

• Compatible with Lexus GS300, IS300, SC300, and Toyota Supra
• Hydraulic assembly for consistent belt tension
• Metal pulley construction for durability
• Single groove pulley designed for serpentine and V-belt systems
• Drive belt pulley diameter: 1 mm

Product Features and Specifications

This timing belt tensioner features a metal pulley with a single groove, engineered to work with both serpentine and V-belt drive systems. The hydraulic assembly design provides automatic tension adjustment, reducing the need for manual adjustments and helping to maintain proper belt alignment. The pulley diameter is specified as 1 mm, ensuring compatibility with the belt systems used in the listed Lexus and Toyota vehicles. The GMB 470-3177 part number identifies this specific tensioner model, which is built to meet OEM standards for fit and function.

Applications and Common Issues Addressed

• Prevents belt slippage and noise in Lexus GS300 and IS300 engines
• Maintains proper timing belt tension in Toyota Supra models
• Reduces premature belt wear and extends belt life
• Helps avoid engine performance issues caused by loose belts
• Supports smooth operation of valve train components

Installation Notes and Tips

When installing the GMB 470-3177 timing belt tensioner, ensure the belt is properly aligned with the single groove pulley. Verify that the hydraulic assembly is free of leaks and operates smoothly to maintain consistent tension. It is recommended to inspect the belt and related components for wear during installation. Proper torque specifications should be followed according to the vehicle manufacturer’s guidelines for Lexus GS300, IS300, SC300, and Toyota Supra models.

Quality Assurance and Warranty

GMB manufactures this timing belt tensioner to meet strict quality standards, ensuring reliable performance and durability. The metal pulley construction and hydraulic design contribute to long service life. While specific warranty details are not provided here, GMB products typically come with manufacturer-backed warranties to protect against defects in materials and workmanship.