
The Story
Reliable Engine Timing Belt Tensioner for Lexus and Toyota Vehicles
The GMB 470-5817 Engine Timing Belt Tensioner Hydraulic Assembly is designed to maintain optimal tension on serpentine and V-belts in select Lexus and Toyota models. This precision-engineered component ensures smooth engine operation and helps prevent belt slippage or premature wear.
- Compatible with Lexus Camry, ES300, ES330, Highlander, RX330, RX400h, and Toyota Sienna, Solara
- Drive belt pulley diameter: 1 mm
- Single groove pulley designed for serpentine and V-belt systems
- Durable metal pulley material for long-lasting performance
- Part number 470-5817 for accurate replacement
Product Features and Specifications
This hydraulic assembly features a metal pulley with a single groove, suitable for both serpentine and V-belt drive systems. The 1 mm pulley diameter supports precise belt tensioning, which is critical for maintaining engine timing and accessory drive efficiency. The GMB 470-5817 tensioner is engineered to meet the specifications required by Lexus and Toyota vehicles, including the Camry, ES300, ES330, Highlander, RX330, RX400h, Sienna, and Solara models.
Function and Application
- Maintains proper tension on timing and accessory belts
- Prevents belt slippage and reduces wear on belt-driven components
- Supports engine timing accuracy for smooth operation
- Reduces noise and vibration from belt drive systems
- Helps avoid engine performance issues related to belt tension loss
Installation Notes and Tips
When installing the GMB 470-5817 tensioner, ensure the belt routing matches manufacturer specifications for your Lexus or Toyota model. Proper alignment of the pulley groove with the belt type (serpentine or V-belt) is essential. It is recommended to inspect the belt condition and replace it if worn during tensioner installation. Use appropriate tools to avoid damage to the hydraulic assembly and pulley.
Quality Assurance and Warranty
GMB manufactures this timing belt tensioner hydraulic assembly to meet OEM standards for durability and performance. While specific warranty details are not provided here, GMB products typically come with manufacturer-backed quality assurance. Using the correct part number 470-5817 ensures compatibility and reliability for your Lexus or Toyota vehicle.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Reliable Engine Timing Belt Tensioner for Lexus and Toyota Vehicles
The GMB 470-5817 Engine Timing Belt Tensioner Hydraulic Assembly is designed to maintain optimal tension on serpentine and V-belts in select Lexus and Toyota models. This precision-engineered component ensures smooth engine operation and helps prevent belt slippage or premature wear.
- Compatible with Lexus Camry, ES300, ES330, Highlander, RX330, RX400h, and Toyota Sienna, Solara
- Drive belt pulley diameter: 1 mm
- Single groove pulley designed for serpentine and V-belt systems
- Durable metal pulley material for long-lasting performance
- Part number 470-5817 for accurate replacement
Product Features and Specifications
This hydraulic assembly features a metal pulley with a single groove, suitable for both serpentine and V-belt drive systems. The 1 mm pulley diameter supports precise belt tensioning, which is critical for maintaining engine timing and accessory drive efficiency. The GMB 470-5817 tensioner is engineered to meet the specifications required by Lexus and Toyota vehicles, including the Camry, ES300, ES330, Highlander, RX330, RX400h, Sienna, and Solara models.
Function and Application
- Maintains proper tension on timing and accessory belts
- Prevents belt slippage and reduces wear on belt-driven components
- Supports engine timing accuracy for smooth operation
- Reduces noise and vibration from belt drive systems
- Helps avoid engine performance issues related to belt tension loss
Installation Notes and Tips
When installing the GMB 470-5817 tensioner, ensure the belt routing matches manufacturer specifications for your Lexus or Toyota model. Proper alignment of the pulley groove with the belt type (serpentine or V-belt) is essential. It is recommended to inspect the belt condition and replace it if worn during tensioner installation. Use appropriate tools to avoid damage to the hydraulic assembly and pulley.
Quality Assurance and Warranty
GMB manufactures this timing belt tensioner hydraulic assembly to meet OEM standards for durability and performance. While specific warranty details are not provided here, GMB products typically come with manufacturer-backed quality assurance. Using the correct part number 470-5817 ensures compatibility and reliability for your Lexus or Toyota vehicle.
























