Genuine OEM Volkswagen Multi-ribbed Belt, part number 059903137AL. This belt drives essential engine accessories such as the alternator, power steering pump, and A/C compressor. It is located at the front of the engine, wrapping around multiple pulleys. Made from high-strength, heat-resistant rubber for reliable power transfer. Genuine OEM belts are precisely engineered for correct tension and longevity, preventing slippage and premature wear.