Land Rover vehicles, particularly the Range Rover and Discovery series, rely heavily on complex Electronic Air Suspension (EAS) systems. When sourcing air springs or compressors, you must verify the load-bearing capacity, rubber sleeve thickness (typically 2.5mm+ for durability), and valve block compatibility. For mechanical components like control arms, ensure the use of high-grade aluminum alloys or forged steel with anti-corrosion coatings (e.g., cataphoresis) to withstand off-road conditions and salt-heavy environments.