This is a genuine VAG tensioner, part number 06A903315E, designed to maintain the correct tension on your vehicle's accessory belt. Proper belt tension is crucial for the efficient operation of components driven by the belt, such as the alternator, power steering pump, and air conditioning compressor. A worn or faulty tensioner can lead to premature belt wear, noise, and even belt slippage, potentially causing these essential systems to fail. Replacing your tensioner with this OEM VAG part ensures compatibility and restores optimal performance and reliability to your engine's accessory drive system. This tensioner is manufactured to meet VAG's stringent quality standards, guaranteeing durability and long-lasting service. It is a direct replacement for the original tensioner, making installation straightforward for qualified technicians.
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