The Land Rover Discovery 4 L319 Air Suspension Pressure Reservoir is an original component of the system, responsible for storing compressed air for the suspension springs and bellows. Thanks to its factory Land Rover design, it ensures stable compressor operation, consistent working pressure, and predictable suspension response in all conditions. This is a practical solution for users who want to restore proper pneumatic system functionality while maintaining compliance with factory specifications.
Specifications and technical data
- SKU: 5H22-5K936-AB
- Mark: Land Rover
- Condition: Used
- OEM Part Number: 5H22-5K936-AB
- Substitutable numbers: RQN500070, 5H22-5K936-AB, 5H225K936AB
- Category: Shocks, Struts & Assemblies
Purpose and Function in the Suspension System
The presented air reservoir works with the factory air suspension compressor in the Land Rover Discovery 4 L319. It is responsible for:
- storing compressed air for the suspension system,
- stabilizing pressure in the pneumatic system,
- relieving the compressor during frequent changes in vehicle height,
- maintaining an adequate air reserve for quick suspension response.
This allows the system to operate more smoothly, and the response to changes in driving modes and vehicle leveling remains predictable and safe.
Design and Fit for Land Rover Discovery 4 L319
The reservoir has been designed specifically for the L319 platform, meaning it offers a perfect fit for factory mounting points, lines, and control systems. A design compliant with the original Land Rover project minimizes the risk of leaks and compatibility issues that often arise with low-quality aftermarket parts.
This component belongs to the Shock Absorbers and Struts category, but in practice, it is a crucial part of the entire air suspension system. Without a functional reservoir, it is difficult to maintain correct geometry and ride comfort, especially in vehicles used with loads or off-road.
Product Condition and Benefits of Installing a Used OEM Part
The offered reservoir is a used part, sourced from disassembly. For many users, this represents a sensible compromise between cost and maintaining original quality. Compared to inexpensive aftermarket alternatives, a used OEM component allows for:
- maintaining the factory characteristics of air suspension operation,
- ensuring compatibility with original equipment and installation,
- reducing the risk of installation and system sealing problems.
This is a practical solution for workshops specializing in the brand and for users who want to restore suspension functionality without altering the manufacturer's design.
Application in Air Suspension Diagnostics and Service
In case of air suspension problems – such as overly frequent compressor operation, uneven vehicle leveling, or control unit errors – the air reservoir is one of the components worth checking. Replacing it with a functional OEM part allows for:
- stabilizing system pressure and reducing compressor overload,
- minimizing the risk of pressure drops due to reservoir leaks,
- restoring proper cooperation with distribution valves and suspension bellows.
For workshops dealing with Land Rover suspension pneumatics, this is a component often used in comprehensive repairs when multiple sub-assemblies need to be replaced simultaneously.
Related Products and Technical Knowledge
If you are looking for other components in the Shock Absorbers and Struts category dedicated to this brand, check out the Land Rover shock absorbers and struts available in our store to complete your suspension repair kit.
When planning service work, it is advisable to expand your knowledge of the entire suspension system. The guide article “Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers” will be helpful, explaining the relationships between individual components and facilitating informed service decisions.
Summary
The Land Rover Discovery 4 L319 Air Suspension Reservoir is an original, used system component that allows for the restoration of proper pneumatic operation without compromising the factory design. It is a good solution for drivers and workshops who want to maintain the driving characteristics intended by the manufacturer while optimizing repair costs.
