Land Rover Discovery 4 L319 Coolant Hose Pipe Line Set AH22-18B402-AB

Land Rover Discovery 4 L319 – cooling system hose kit is an original part from the cooling system hoses and pipes group, designed to operate in the demanding environment of the engine bay. This used set provides a functional service solution for Discovery 4 owners looking for a part structurally matched to the factory cooling system.

Specifications and technical data

• SKU: AH22-18B402-AB-1
• Mark: Land Rover
• Condition: Used
• OEM Part Number: AH22-18B402-AB
• Substitutable numbers: LR021657, AH22-18B402-AB, AH2218B402AB
• Part type: Hose
• Category: Coolant Hoses

Intended Use and Fitment for Land Rover Discovery 4 L319

The cooling system hose kit has been designed specifically for the architecture of the Discovery 4 L319 model, taking into account the characteristic routing of coolant lines in this vehicle. The appropriate shapes, diameters, and mounting points ensure correct fluid flow throughout the circuit, without the need for modifications or adjustments of universal replacements.

Original Land Rover origin means adherence to factory dimensional tolerances, which translates to proper hose positioning relative to the radiator, engine, and other ancillary components. This minimizes the risk of rubbing against other components, excessive stress, or leaks at connections.

Characteristics of the Cooling System Hose Kit

The hose set is responsible for transporting coolant between key system components, ensuring stable thermal operating conditions for the powertrain. The design includes:

• appropriately shaped sections matched to the geometry of the Discovery 4 L319 engine bay,
• maintenance of correct flow cross-sections for efficient cooling,
• factory mounting points for secure hose routing.

A kit configured in this way helps maintain uniform engine operating temperature, which is crucial for powertrain durability and stable performance parameters.

Benefits of Using Original Cooling Hoses

Choosing a used, original hose kit for the Discovery 4 L319 is a solution that combines economic aspects with the preservation of the factory cooling system concept. Key advantages include:

• compatibility with the factory cooling system – no need for installation modifications,
• consistency with other Land Rover components, facilitating service installation,
• maintenance of the coolant flow characteristics intended by the manufacturer.

For workshops and users, this means predictable installation and the ability to maintain operating parameters close to factory condition, which is particularly important for vehicles used in diverse terrain and road conditions.

Service Application and Operation

The cooling system hose kit is suitable as a replacement part in case of wear, mechanical damage, or leaks in the existing installation. Replacing the set restores proper coolant circulation, reducing the risk of engine overheating and associated failures.

For a comprehensive understanding of the hoses' role in the entire circuit, it is advisable to consult the guide on cooling system diagnostics and operation – practical information can be found in the article Engine Cooling System – Overheating, Repair, and Used Radiators, which discusses the impact of efficient cooling on powertrain lifespan.

Other Land Rover Cooling System Hoses and Pipes

If you are also looking for other components from the Cooling System Hoses and Pipes category dedicated to this brand, check out the Land Rover cooling system hoses and pipes available in our assortment to select a complete service solution for your vehicle.