Mubea 06F-903-315 Drive Belt Tensioner Assembly with Pulley

The Mubea 06F-903-315 is a complete drive belt tensioner assembly designed for Audi and Volkswagen vehicles equipped with 2.0T FSI turbocharged engines. This OEM-quality component ensures proper tension on your accessory drive belt, maintaining optimal performance of critical systems including the alternator, power steering pump, and air conditioning compressor.

Key Features:

• Complete assembly includes precision tensioner mechanism and roller pulley
• High-quality spring tension assembly maintains consistent belt pressure
• OE-specified bearing and pulley for reliable long-term operation
• Direct-fit replacement for worn or failing factory tensioners
• Manufactured to OEM specifications for proper fit and function

A failing belt tensioner can cause multiple problems including squealing noises, poor charging system performance, power steering issues, and air conditioning malfunctions. If your accessory belt appears loose or sloppy, or if belts are breaking prematurely due to excessive tension, replacement of the tensioner assembly is required. This Mubea unit applies the correct amount of tension to keep your belt properly seated against all accessory pulleys.

Cross-Reference Numbers: 101918-E, 101918E, 06F903315, 4251480601836

Application Note: Designed specifically for FSI engine applications. Replacement is recommended whenever performing accessory belt service or when conducting maintenance on belt-driven components.