Dorman 949-900 Active Suspension Air Compressor Assembly for Select Land Rover Models DIRECT REPLACEMENT: This Dorman active suspension air compressor is specifically engineered to match the original design and performance of the load leveling compressor on select Land Rover LR3, Land Rover LR4, and Land Rover Range Rover Sport vehicles. COMPLETE PACKAGE: Includes durable, corrosion-resistant motor and dryer - no need to rebuild rusty components. PROFESSIONALLY TESTED: Vehicle try-on testing has been conducted on this part to ensure trouble-free installation and performance. SUPPORT AVAILABLE: If you have any trouble, every Dorman part is backed by Dorman's ASE Blue Seal Certified technical support team. ENSURE FIT: Just input your specific year, make, model and trim in Amazon Garage to ensure this part fits your exact vehicle.