Land Rover Discovery 4 L319 Oil Separator Hose Tube Pipe Line GH22-6C661-AA

Land Rover Discovery 4 L319 Oil Separator Hose Tube Pipe Line is an original component from the Oil coolers and hoses group, designed for the engine's crankcase ventilation and oil separation system. Thanks to its factory geometry and precise fit to the engine design, it ensures stable fluid routing and proper interaction with the oil separator, which translates into smoother engine operation and reduced contamination in the intake system.

Specifications and technical data

• SKU: LR071346
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR071346
• Substitutable numbers: LR071346, GH226C661AA, GH22-6C661-AA
• Part type: Oil Cooler Hose
• Category: Engine Oil Coolers & Lines

Purpose and function of the hose

The oil separator hose in the Land Rover Discovery 4 L319 is responsible for the controlled flow of oil vapors between the components of the crankcase ventilation system. A correctly selected and airtight hose:

• stabilizes pressure in the crankcase,
• limits the ingress of oil mist into the intake system,
• supports consistent engine operation across the full load range,
• reduces the risk of leaks and oil contamination of engine accessories.

By maintaining the factory routing and internal diameter, the hose ensures proper vapor flow, which is essential for the durability of the engine and its associated components.

Original origin and fitment

The offered hose comes from the Land Rover line, which means it complies with the vehicle manufacturer's factory quality standards. This original part from the Oil coolers and hoses category guarantees:

• precise fitment to the mounts and connectors in the Discovery 4 L319 engine,
• maintenance of the correct bending radius without the risk of kinking,
• compatibility with the factory oil separator and other system components.

Such fitment facilitates installation and reduces the need for modifications, which is particularly important for workshop servicing and DIY replacements.

Characteristics of the used component

The oil separator hose is offered as a used component, allowing for an economical repair while maintaining the original specification. In practice, this means:

• an attractive cost-to-quality ratio compared to new aftermarket replacements,
• preservation of the factory design and material of the hose,
• the ability to restore the proper operation of the oil separation system without interfering with the manufacturer's design.

A used hose is a good solution in situations where the existing component has cracked, delaminated, or lost its seal due to wear and material aging.

Application in the oil cooling and ventilation system

As part of the Oil coolers and hoses group, the oil separator hose works with components responsible for oil circulation and vapor discharge. A properly functioning hose:

• supports the maintenance of stable oil operating temperatures by limiting uncontrolled leaks,
• reduces the risk of excessive oil buildup in the intake hoses,
• indirectly affects the cleanliness of the intake system and the efficiency of the turbocharger.

Consequently, replacing a worn hose with a functional one helps improve the overall refinement of the engine and reduces future costs associated with intake cleaning.

Technical support and additional materials

If you are planning a comprehensive repair or upgrade of the engine area in your Land Rover and need other components from the same group, such as oil lines, oil return sections, or supply lines, check out the available parts in the Land Rover Oil coolers and hoses category.

To better understand how the cooling and oil circulation system behaves at high temperatures and how to wisely use second-hand parts, it is worth checking out our guide: Summer heat vs. cooling system: used radiators and fans as a guarantee of savings. You will find practical tips there regarding the operation and diagnostics of components working with the cooling and lubrication system.