Febi Bilstein Crankcase Breather Valve 175530 - OEM Quality for Audi. This part is designed to be used as originally intended and not modified for purpose. Please ensure the products are installed by a competent individual. N.B. products are usually supplied without fitting instructions. Brand: Febi Bilstein, Quantity: 1 Unit, Material: Plastic, Colour: Black, Weight: 0.011 kg, for OE number: 030 103 175 B, Type: Valve, crankcase ventilation. Always Check this product is correct for your vehicle before purchase.