Land Rover Discovery 4 L319 Coolant Hose Pipe Line Tube 3.0 Diesel AH22-9F287-AC

The Land Rover Discovery 4 L319 Hose Pipe W AH22-9F287-AC is an original part from the Cooling System Hoses and Pipes category, designed for diesel engine vehicles. It is a practical solution for users who want to restore proper coolant circulation in the system and maintain a stable operating temperature of the engine unit.

Specifications and technical data

• SKU: AH22-9F287-AC
• Mark: Land Rover
• Condition: Used
• OEM Part Number: AH22-9F287-AC
• Substitutable numbers: AH22-9F287-AC, LR026218
• Fuel type: Diesel
• Part type: Hose
• Category: Coolant Hoses

Purpose and Function in the Cooling System

The presented hose is a component of the cooling system in the Land Rover Discovery 4 L319 with a diesel engine. It is responsible for the controlled flow of coolant between selected system components, which directly impacts maintaining the correct engine operating temperature and protecting against overheating.

Thanks to its tailored geometry and factory flow characteristics, the hose works in conjunction with other cooling system sub-assemblies, ensuring stable thermal conditions during city driving, on the road, and off-road.

Benefits of Using an Original Land Rover Hose

Using an original hose in the cooling system offers a range of practical benefits:

• precise fit for the Discovery 4 L319 cooling system without the need for modifications,
• maintenance of factory coolant flow characteristics,
• compatibility with other system components such as the radiator, water pump, or thermostat,
• reduction of leakage risks resulting from the use of aftermarket parts with different geometries.

For diesel engines, maintaining a stable operating temperature is particularly important, which is why a functional cooling system hose directly impacts the durability of the engine unit and the comfort of vehicle operation.

Application in Diesel Engine Vehicles

The cooling system in diesel units operates under significant thermal load, especially in heavier off-road and utility vehicles like the Discovery 4 L319. A properly selected hose:

• supports maintaining proper pressure in the cooling system,
• ensures stable fluid flow at varying engine speeds,
• helps reduce the risk of localized overheating in critical areas of the engine unit.

Replacing a worn or leaking hose with a part meeting factory specifications is one of the key preventative measures that can help avoid costly repairs related to diesel engine overheating.

Item Condition and Installation Aspects

The hose is a used part obtained from disassembly and is offered as a used component, representing a reasonable compromise between cost and functionality. Such parts are often chosen for comprehensive cooling system repairs when maintaining original specifications while optimizing the service budget is important.

During installation, it is recommended to:

• check the condition of clamps and connectors before reuse,
• inspect the mating surfaces of the spigots in the cooling system,
• bleed the system after filling with fresh coolant.

More About Land Rover Cooling Systems and Parts

If you are interested in other Cooling System Hoses and Pipes for vehicles of this brand, check out the Land Rover cooling system hoses and pipes available in our store to select parts that fit your car's specific configuration.

Do you want to better understand how to care for your cooling system and what symptoms indicate its malfunction? Read the guide article Engine Cooling System – Overheating, Repair, and Used Radiators, where you will find practical tips on diagnostics and operation.