Land Rover Discovery 4 L319 Gearbox Oil Cooling Pipe Hose Line AH22-7R081-BA

The Land Rover Discovery 4 L319 Transmission Cooler Hose AH22-7R081-BA is an original component of the automatic transmission cooling system, designed for precise integration with the factory setup in the Discovery 4. Its tailored geometry and appropriate connector diameter ensure stable coolant flow, contributing to a safe transmission operating temperature and extended lifespan. This is the ideal solution for users seeking reliable installation and compliance with factory specifications.

Specifications and technical data

• SKU: LR016218
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR016218
• Substitutable numbers: LR016218, AH227R081BA, AH22-7R081-BA
• Part type: Oil Cooler Hose
• Category: Engine Oil Coolers & Lines

Purpose and Function in the Transmission Cooling System

This hose belongs to the Oil Coolers and Hoses category, meaning it is responsible for transporting coolant between the gearbox and the heat exchanger. A correctly selected transmission cooler hose for the Land Rover Discovery 4 L319:

• stabilizes the transmission fluid temperature during off-road and highway driving,
• reduces the risk of automatic transmission overheating,
• supports smooth gear changes across a wide range of loads,
• ensures a leak-free connection with factory spigots and the oil cooler.

Construction and Fitment for Land Rover Discovery 4 L319

The hose in question has been specifically designed for the L319 platform, ensuring proper routing within the engine bay and a perfect fit with original brackets and mounts. This results in:

• minimized stress on connectors and spigots,
• reduced risk of chafing against body or underbody components,
• a predictable installation process for mechanics familiar with the Discovery 4's construction.

Being an original Land Rover part guarantees adherence to factory flow parameters and seamless compatibility with the transmission cooling system without the need for modifications.

Benefits of Using an Original Cooling Hose

Using the correct transmission cooler hose for the Discovery 4 L319 directly impacts the durability of the automatic gearbox. In practice, the user benefits from:

• more predictable transmission behavior when towing or off-roading,
• reduced risk of transmission fluid leaks around the cooler,
• improved thermal stability of the entire drivetrain,
• easier diagnostics – the part is familiar to workshops specializing in Land Rover.

This is particularly crucial for vehicles operated in demanding conditions where the transmission cooling system is under significant load.

Characteristics of a Used Component

The offered hose is a used part, allowing for factory-level fitment at an attractive price compared to a new component. A used, original Land Rover part retains the design intended by the vehicle manufacturer, which is beneficial for drivers prioritizing compliance with service documentation and parts catalogs.

If you are considering different repair strategies and want to make an informed choice between a refurbished or a used original part, our guide Refurbished or Used Original – Which Part to Choose for Repairs may be helpful, where we discuss the practical aspects of such decisions.

Operation in High Temperatures and the Role of the Cooling System

In the Land Rover Discovery 4 L319, the transmission cooling system is especially important during hot summer weather and when driving under load. A functional transmission cooler hose:

• helps maintain stable transmission fluid temperature,
• supports the operation of the oil cooler and fans,
• reduces the risk of transmission performance degradation in high ambient temperatures.

To better understand the impact of temperature on the entire cooling system, it is worth reading the guide Summer Heat vs. Cooling System: Used Coolers and Fans Guarantee Savings, where we discuss practical tips for operating and selecting cooling components.

If you require other parts from the Oil Coolers and Hoses category specifically for this brand, to comprehensively care for your vehicle's drivetrain cooling system, check out the available parts in the Land Rover Oil Coolers and Hoses category.