This febi bilstein water pump, part number 21916, is designed for optimal engine cooling. It features a metal impeller and comes with seal rings and a seal for a complete installation. The pump is constructed from cast aluminum for durability and weighs 1.732 kg. It has 7 impeller blades and a paper seal material. This water pump is compatible with various BMW models including 5'er (E39), 7'er (E38), X5 (E53), Z8 (E52), and Land Rover Range Rover I and Range Rover III. Please use the vehicle identification tool to confirm compatibility with your vehicle. It is recommended that installation is performed by a competent individual, and products are usually supplied without fitting instructions. Please observe service information.