Product Overview The Air Suspension Compressor LR083993 is a Genuine OE-grade air supply unit engineered for select for Land Rover vehicles with electronic air suspension. This levelling compressor pressurises the system to maintain proper ride height, adjust suspension stiffness, and ensure comfort and handling balance . LR083993 has been superseded by LR140034, which is the current replacement for most applications . Key Features AMK-type compressor – OES AMK direct