Mubea 90135911 Accessory Belt Tensioner for Alternator and A/C

The Mubea 90135911 is an OE-quality accessory drive belt tensioner designed to maintain proper tension on the serpentine belt that drives the alternator and air conditioning compressor. This automatic tensioner uses a spring-loaded, damped mechanism to ensure constant belt force under varying operating conditions, eliminating belt squeak, slippage, and premature wear.

Key Features:

• Automatic tensioning system maintains optimal belt force without manual adjustment
• Integrated vibration damping technology suppresses belt oscillations and noise
• Complete assembly includes pulley and mounting hardware
• Manufactured to OE specifications for precise fit and reliable performance
• Replaces OEM part numbers 06J903133D and 06J903133A

Mubea has over 20 years of experience developing and manufacturing belt tensioners with vibration damping for automotive accessory drives, and is recognized as one of Europe's leading suppliers of these critical engine components. This tensioner is precision-engineered using high-grade materials to deliver long-lasting, trouble-free performance.