This is a genuine VAG tensioner, part number 04L903315N, designed to maintain the correct tension on your vehicle's accessory belt. Proper belt tension is crucial for the efficient operation of various engine components, including the alternator, power steering pump, and air conditioning compressor. A worn or faulty tensioner can lead to premature belt wear, noise, and a reduction in the performance of these essential systems. Replacing your tensioner with this OEM VAG part ensures a precise fit and reliable performance, contributing to the overall health and longevity of your engine. Crafted with high-quality materials, this tensioner is built to withstand the demanding conditions under the hood, providing consistent tension and durability. Trust in genuine VAG parts to keep your vehicle running smoothly and efficiently.
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