Land Rover Discovery 4 L319 Intercooler Hose Pipe Tube Line AH22-9Y439-AC

The Land Rover Discovery 4 L319 Intercooler Hose AH22-9Y439-AC is an original turbo system component from the Hoses, Pipes & Tubes group, designed for Land Rover vehicles. This used hose is a functional service solution that restores proper airflow to the intercooler and ensures stable operation of the turbocharged engine.

Specifications and technical data

• SKU: LR014152
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR014152
• Substitutable numbers: LR014152, AH22-9Y439-AC, AH229Y439AC
• Part type: Hose
• Category: Hoses, Lines & Pipes

Purpose and Function in the Turbo System

The intercooler hose in the Discovery 4 L319 model is responsible for transporting compressed air between the turbocharger and the charge air cooler. A correctly selected and sealed component:

• stabilizes boost pressure across the entire RPM range,
• limits power loss resulting from system leaks,
• supports smooth engine operation under load,
• reduces the risk of intake air overheating.

By maintaining factory geometry and diameters, the hose ensures proper airflow, which translates to predictable engine performance parameters and correct interaction with the factory control unit.

Construction Characteristics

The original Land Rover intercooler hose is designed as a component of the intake line, resistant to thermal and pressure loads. The hose's construction is adapted for:

• operation in the elevated temperature of the engine bay,
• variable operating pressures generated by the turbocharger,
• vibrations and deflections resulting from engine operation and body movement.

Factory fitment to the mounting system in the Discovery 4 L319 facilitates installation and minimizes the need for additional modifications. Compatibility with original clamps and other intake system components is maintained.

Benefits of Using an Original Intercooler Hose

Using a used, original intercooler hose in the Land Rover Discovery 4 L319 is a service solution that combines cost control with near-factory performance. Key advantages include:

• Full compatibility with the intake system – the hose is designed for a specific vehicle platform, minimizing the risk of installation issues.
• Stable operating conditions for the turbocharged engine – proper airflow helps maintain power and torque at expected levels.
• Reduced risk of control unit errors related to turbo system leaks.
• Economical repair option in case of damage to the factory hose.

A used OEM part is particularly useful when the priority is to quickly restore vehicle functionality while maintaining correct turbo system performance characteristics.

Condition, Verification, and Service Application

The intercooler hose offered as a used original part is a practical solution for workshops and individual users who need a verified part to repair the intake system in the Discovery 4 L319. This type of component is particularly useful for:

• mechanical damage to the hose (cracks, abrasions, leaks),
• power loss and appearing errors related to boost pressure,
• repairs after collisions affecting the front of the vehicle.

Before installation, a standard check of the seal and working surfaces is recommended, in accordance with service procedures for turbo systems.

Intake System Expansion and Additional Information

If you are planning a comprehensive engine area repair or upgrade for your Land Rover and need other parts from the same group, such as air hoses, vacuum hoses, or charge air cooling pipes, check the available parts in the Land Rover Hoses, Pipes & Tubes category.

To better plan service work and reduce vehicle downtime, it is worth familiarizing yourself with practical tips on using used OEM parts – find more information in the article Availability of Car Parts Off the Shelf vs. Repair Time – How Used OEM Parts Reduce Workshop Stays?.