Febi Bilstein Shock Absorber Bush - 43639. This bush is designed for front and rear axle placement. Key specifications include an inner diameter of 25 mm, an outer diameter of 40 mm and 43 mm, and a thickness of 40 mm. The weight of the bush is 0.043 kg. The product is sold individually. Please ensure compatibility with your vehicle before purchase. Febi Bilstein is a trusted brand known for OE matching quality and precision fit.