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This OEM-standard generator serpentine belt tensioner with OE number 06H903133G is designed for Audi A4, A5 and Q5 equipped with the 2.0 TFSI EA888 engine. It maintains consistent tension on the accessory drive belt, ensuring the alternator, water pump and other auxiliary components run smoothly without slipping.
A worn tensioner usually causes belt squealing, abnormal rattling noises, belt slipping and premature belt failure. Severe wear may lead to charging failure and engine overheating. Our tensioner adopts high-strength aluminum housing and durable internal spring assembly, with a smooth bearing pulley that resists high temperature and long-term vibration. It is precision manufactured to match original specifications for perfect fitment.
It supports direct bolt-on installation without extra modification. Replacing this tensioner restores stable accessory drive performance and protects related engine parts. It is a reliable aftermarket spare part, widely used for auto repair shops and DIY maintenance for these Audi 2.0T models.



