Genuine OEM Volkswagen Engine Serpentine Belt, part number 06E903137S. This essential engine component is responsible for driving multiple peripheral accessories, including the alternator, power steering pump, and air conditioning compressor. Its multi-ribbed design ensures efficient power transfer and reliable operation within the engine bay. Constructed from high-quality, durable rubber compounds, this belt resists stretching and wear for a long service life. Choosing a genuine OEM serpentine belt ensures precise fitment, optimal tension, and reliable power delivery to all engine accessories, preventing unexpected breakdowns.