Pre-assembled and ready to install! 1X Rear Left OR Right Air Suspension Shock Strut Vehicle Fitment Information Land Rover Range Rover Sport Land Rover Discovery LR3 LR4 OEM Part Number RPD501110, RPD 501110 RPD501030, RPD 501030 RPD500433, RPD 500433 RPD500434, RPD 500434 DELPHI 22231457 Item Specifications.