Range Rover L405 Air Suspension Reservoir Tank CPLA-5B709-BA

The Range Rover L405 air suspension air tank is a component of the Automatic leveling system, responsible for storing compressed air for the compressor and air springs. A properly selected and functional tank ensures stable operation of the pneumatic system, predictable suspension responses, and correct body height maintenance in your Range Rover.

Specifications and technical data

• SKU: CPLA-5B709-BA
• Mark: Range Rover
• Condition: Used
• OEM Part Number: CPLA-5B709-BA
• Substitutable numbers: LR037080, CPLA-5B709-BA, CPLA5B709BA
• Category: Self-Levelling Suspension Parts

Purpose and Function in the Suspension System

The presented air tank is intended for the Range Rover L405 model equipped with a self-leveling system. As an integral part of the pneumatic system, it is responsible for buffering compressed air, which allows the compressor to operate under optimal conditions and reduces its load during frequent height changes.

The proper capacity and design of the tank translate into:

• stable maintenance of the set body height in various driving modes,
• efficient suspension response to changes in vehicle load,
• reduced frequency of compressor engagement, which contributes to its durability.

Construction and Fit for Range Rover L405

The air tank is designed as a component of the factory pneumatic suspension system of the Range Rover, ensuring full structural compatibility with the mounting points and lines in the L405 body. Appropriately placed connection ports and mounting points facilitate installation and allow for maintaining the original routing of air lines.

Original origin from the Range Rover group means that the tank's geometry, pressure resistance, and materials used are adapted to the operating parameters of the factory pneumatic system, without the need for installation modifications.

Condition, Verification, and Benefits of Use

The component is offered as a used part, which significantly reduces the cost of suspension system repair while maintaining compatibility with the factory solution. This type of tank is particularly useful for:

• repairs after compressor failure or leaks in the pneumatic system,
• comprehensive regeneration of the automatic leveling system,
• restoring the original configuration after previous unsuccessful modifications.

Using an original air tank helps maintain the integrity of the entire system, which is important for both driving comfort and proper interaction with the suspension control electronics.

Automatic Leveling System – Importance for Comfort and Safety

The Automatic leveling system in the Range Rover L405 is responsible for maintaining a constant body height regardless of the load, as well as for changing the ground clearance depending on the selected driving mode. A functional air tank is crucial for:

• maintaining proper suspension geometry and driving stability,
• preserving the premium segment driving comfort,
• correct operation of off-road and on-road modes.

Replacing a worn or leaking tank with a functional part helps reduce suspension system errors, uneven vehicle sag, and excessive compressor operation.

Range Rover Suspension System Expansion

If you are planning a comprehensive repair or modernization of the suspension area in your Range Rover and need other parts from the same group, such as a compressor, air lines, or suspension air springs, check the available parts in the category Range Rover Automatic Leveling.

Technical Support and Expert Knowledge

With complex systems such as pneumatic suspension or intricate drivetrain systems, it is advisable to use reliable sources of knowledge. For users who are simultaneously servicing the drivetrain, a guide describing common faults and principles of selecting used components may be helpful – especially in the context of gearboxes. Practical tips can be found in the article Gearbox: Manual, Automatic, or DSG – Common Faults and a Used Gearbox Buying Guide, which helps to better plan comprehensive service work on a premium car.