This hydraulic cam follower kit is a single unit designed for various Audi and VW models. It is manufactured by Febi and has a part number of 37162. The kit has a length of 21 mm, an outer diameter of 21 mm, and weighs 0.031 kg. It is classified as a tappet for high-pressure pumps. Please ensure compatibility with your vehicle using the make and model tool or by contacting customer support before purchase. Installation should be performed by a competent individual, and products typically do not come with fitting instructions.