Land Range Rover Sport L494 Air Suspension Tank Reservoir Air Tube HPLA-5B709-AA

Land Range Rover Sport L494 Air Suspension Tank Reservoir Air Tube is an original air suspension system component designed for operation in compressed air installations. As part of the Expansion tanks group, it is responsible for the stable storage of the working medium, which translates into predictable suspension response and proper cooperation with the compressor and lines. This used OEM component is a technical solution that allows for maintaining the factory operating characteristics of the system without the need for aftermarket replacements.

Specifications and technical data

• SKU: HPLA-5B709-AA
• Mark: Land Rover
• Condition: Used
• OEM Part Number: HPLA-5B709-AA
• Substitutable numbers: HPLA-5B709-AA, HPLA5B709AA, LR084040
• Category: Expansion & Overflow Tanks

Purpose and function in the air suspension system

This tank acts as a compressed air reservoir in the Range Rover Sport L494 air suspension system. Its tasks include:

• pressure buffering to reduce the frequency of compressor activation,
• stabilization of the operation of air springs and control valves,
• equalizing short-term air demand spikes when changing suspension height.

As a result, the system maintains predictable characteristics, and the suspension's response to controller commands remains smooth and repeatable.

Construction and fitment for Range Rover Sport L494

Original Land Rover origin means maintaining factory mounting points and compatibility with the body geometry of the Range Rover Sport L494 model. The tank is adapted to work with factory pneumatic lines and accessories, which facilitates installation in place of a worn-out component.

Precise fitment to the specific vehicle platform reduces the risk of leaks, stress on lines, or collisions with other components. This is particularly important in pneumatic systems, where tightness and mounting stability have a direct impact on the durability of the entire system.

Benefits of using an original expansion tank

Using this component in the air suspension system brings a number of practical benefits:

• Factory operating characteristics – maintaining the parameters specified by the vehicle manufacturer.
• Compatibility with the existing installation – no need for modifications to lines or mounting brackets.
• Consistency with the suspension controller software – the system operates within the pressure and capacity ranges intended for this model.
• Possibility of economical repair – a used OEM component allows for restoring proper suspension operation without excessive costs.

Condition and service application

The item is offered as a used expansion tank, which allows for cost-effective repair of the air suspension system in Land Rover vehicles. This type of component is particularly useful in situations where the existing tank has suffered from corrosion, mechanical damage, or loss of tightness, and the priority is to restore proper system operation while maintaining the original design.

Part selection is facilitated by available manufacturer markings and reference numbers, allowing for precise verification of compatibility with a specific vehicle configuration before installation.

Expanding Land Rover pneumatic system service

If you are planning a comprehensive repair or upgrade of the air suspension area in your Land Rover and need other elements from the same group, such as additional tanks, air lines, or mounting elements, check the available parts in the Land Rover Expansion tanks category.

To better plan service work on the vehicle and understand when it is worth reaching for used components, a guide on selecting and installing electronics and aftermarket components may be helpful – you can find it in the article Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.