Dorman 949-900 Air Suspension Compressor

Reliable Air Suspension Compressor for Land Rover Vehicles

The Dorman 949-900 air suspension compressor is designed specifically for Land Rover LR3, LR4, and Range Rover Sport models. Engineered to maintain optimal air spring pressure, this 12-volt compressor supports the electrical air spring system to ensure consistent ride quality and vehicle stability.

• Maximum pressure rating of 300 PSI for efficient air spring inflation
• Includes mounting hardware for straightforward installation
• 40-amp amperage rating compatible with vehicle electrical systems
• Durable black finish for corrosion resistance and longevity
• Package contains one complete suspension compressor assembly

Technical Details and Compatibility

The Dorman 949-900 air suspension compressor operates at 12 volts and is designed to integrate seamlessly with the electrical air spring systems found in Land Rover LR3, LR4, and Range Rover Sport models. Its 40-amp amperage rating ensures reliable power delivery while maintaining system efficiency. The compressor's maximum pressure capacity of 300 PSI supports proper air spring inflation, which is critical for maintaining vehicle height and ride comfort. The included mounting hardware simplifies the replacement process, reducing installation time and effort.

Common Applications and Problem Resolution

This air suspension compressor is used to restore proper function to the air spring system in compatible Land Rover vehicles. It addresses several common issues, including:

• Air suspension compressor failure causing uneven ride height
• Slow or no inflation of air springs leading to poor vehicle handling
• Excessive compressor noise indicating mechanical wear
• Electrical faults within the air suspension system
• Loss of vehicle leveling and stability during driving

Installation Notes and Tips

Installation of the Dorman 949-900 air suspension compressor requires basic mechanical skills and familiarity with the vehicle’s air suspension system. Ensure the vehicle is safely lifted and supported before beginning. Disconnect the battery to prevent electrical shorts. Use the included mounting hardware to secure the compressor assembly in place. Verify all electrical connections are clean and secure to maintain proper amperage flow. After installation, test the air suspension system for proper operation and check for leaks.

Quality Assurance and Warranty Information

Dorman manufactures the 949-900 air suspension compressor to meet or exceed OEM specifications for fit, form, and function. The product undergoes rigorous quality control to ensure durability and reliable performance in Land Rover LR3, LR4, and Range Rover Sport vehicles. This part is backed by Dorman’s standard warranty coverage, providing assurance against defects in materials and workmanship under normal use.