Range Rover Sport L320 Gearbo Breather Pipe Hose Line 6HP26 5H22-7B344-FA

The Range Rover Sport L320 Gearbox Breather Hose is an original drivetrain component from Land Rover, designed to work with the 6HP26 automatic gearbox. It ensures controlled venting of oil vapors from the gearbox, promoting stable transmission operating conditions and reducing the risk of leaks under varying temperatures and loads.

Specifications and technical data

• SKU: TRG500170
• Mark: Land Rover
• Condition: Used
• OEM Part Number: TRG500170
• Substitutable numbers: TRG500170, 5H227B344FA, 5H22-7B344-FA
• Part type: Oil Cooler
• Category: Oil Coolers & Lines

Purpose and Technical Function

The offered breather hose is a system component that stabilizes the pressure inside the 6HP26 automatic gearbox used in the Range Rover Sport L320 model. A properly functioning breather hose limits the buildup of excessive pressure, which helps protect seals, connectors, and the gearbox housing from overload.

By correctly routing oil vapors and air, the hose supports the maintenance of appropriate operating conditions for the transmission fluid, which is important for the durability of the gearbox and the smoothness of gear changes.

Construction and Fit for Range Rover Sport L320

The hose has been designed as part of the Oil Coolers and Hoses group, with precise fitting for the gearbox system in the Range Rover Sport L320 in mind. The appropriately shaped hose line facilitates its routing in the engine bay and along the gearbox, minimizing the risk of chafing and unwanted stress.

As an original Land Rover component, the hose is prepared for installation at factory mounting points, which helps maintain the original system geometry and simplifies servicing. This solution is particularly beneficial for repairs of 6HP26 gearboxes, where proper venting affects the stable operation of the entire unit.

Condition, Service Application, and Benefits of Installation

The gearbox breather hose is a used component, making it an attractive option for economical repairs or restoring the original system configuration. Replacing a worn or damaged hose with an original component of this type helps reduce the risk of leaks, uncontrolled oil spills, and gearbox venting issues.

In practice, installing a tested breather hose can be a significant step in:

• servicing or overhauling the 6HP26 automatic gearbox,
• eliminating oil leaks from the upper parts of the gearbox,
• restoring the original routing of hoses in the vehicle after previous modifications.

For Range Rover Sport L320 owners, this means the ability to maintain predictable transmission performance and reduce the risk of costly failures resulting from improper venting.

Technical Support and Related System Components

High operating temperatures of the transmission fluid and thermal loads in the engine bay directly impact the durability of hoses and breather components. To better understand the relationship between temperature and the condition of oil and cooling systems, it is worth reading the guide Summer Heat vs. Cooling System: Used Coolers and Fans Guarantee Savings, which discusses the practical aspects of component operation in high-temperature conditions.

If you are planning a comprehensive repair or upgrade of the transmission oil and cooling system area in your Land Rover and need other components from the same group, such as oil lines, oil return lines, or auxiliary oil cooling system components, check the available parts in the Land Rover Oil Coolers and Hoses category.

Summary

The Range Rover Sport L320 6HP26 Gearbox Breather Hose is an original Land Rover component that supports proper venting and stable operation of the automatic transmission. Using a dedicated hose from the Oil Coolers and Hoses group helps maintain system integrity, reduce the risk of leaks, and preserve the factory routing of oil and breather lines in the vehicle.