Febi Bilstein Crankshaft Pulley (Part Number: 103738) is designed to match the original part's performance and meet the car manufacturer's requirements. This belt pulley has a width of 37 mm, an outer diameter of 138 mm, an inner diameter of 27 mm, and 5 ribs. Its weight is 1.57 kg. This part is a high-quality replacement for your vehicle's crankshaft pulley. Always check product compatibility with your vehicle before purchase. Ensure installation is performed by a competent individual. Products are typically supplied without fitting instructions.