GMB 480-7270 Engine Timing Belt Tensioner Pulley

Reliable Engine Timing Belt Tensioner Pulley for Audi and Volkswagen

The GMB 480-7270 engine timing belt tensioner pulley is designed to maintain proper tension on serpentine and V-belts in select Audi and Volkswagen models. Engineered with a durable metal pulley, this component supports smooth belt operation and helps prevent premature wear.

• Compatible with Audi A4, A4 Quattro, and Volkswagen Passat models
• Metal pulley construction for enhanced durability
• Single groove design suitable for serpentine and V-belt systems
• Drive belt pulley diameter of 1 mm
• Part number 480-7270 for precise identification

Durable Metal Pulley with Single Groove Design

This GMB engine timing belt tensioner pulley features a metal pulley that provides strength and resistance to wear under continuous engine operation. The single groove design accommodates both serpentine and V-belt types, ensuring compatibility with the belt systems used in Audi A4, A4 Quattro, and Volkswagen Passat vehicles. With a drive belt pulley diameter of 1 mm, this pulley maintains optimal belt alignment and tension, contributing to efficient engine timing and accessory drive performance.

Applications and Problem Resolution

This tensioner pulley is specifically designed for use in the valve train components of Audi and Volkswagen engines. It addresses common issues such as:

• Excessive belt slack causing timing inaccuracies
• Premature belt wear due to improper tension
• Noise or squealing from worn or damaged pulleys
• Reduced engine performance linked to belt slippage
• Potential engine damage from timing belt failure

Installation Notes and Tips

When installing the GMB 480-7270 tensioner pulley, ensure the belt type matches the pulley groove design (serpentine or V-belt). Proper alignment and tension adjustment are critical to avoid belt slippage or premature wear. It is recommended to inspect the entire belt train system during replacement to identify any additional worn components.

Quality Assurance and Warranty

GMB manufactures this engine timing belt tensioner pulley to meet OEM specifications for Audi and Volkswagen vehicles. The metal pulley construction supports long service life under normal operating conditions. While specific warranty details are not provided, GMB products typically adhere to industry standards for quality and reliability.