This is a genuine VAG tensioner pulley, part number 171609715, designed to maintain the correct tension in your vehicle's accessory belt system. Proper belt tension is crucial for the efficient operation of components like the alternator, power steering pump, and air conditioning compressor. Over time, tensioner pulleys can wear out, leading to noise, belt slippage, and reduced performance of driven accessories. Replacing a worn tensioner pulley with a genuine VAG part ensures compatibility and restores the optimal functioning of your belt drive. Crafted with high-quality materials, this tensioner pulley is built for durability and long-lasting performance. It meets VAG's stringent quality standards, providing a reliable solution to keep your engine's accessory drive system running smoothly and efficiently.
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