Range Rover L322 L405 Air Conditioning Pipe Hose Tube 4.4 Diesel BH42-19N602-AB

Range Rover L322 L405 Air Conditioning Pipe Hose Tube 4.4 Diesel is a specialized refrigerant cooling system component for diesel-powered vehicles, designed for demanding Range Rover owners. This component from the Air conditioning pipes, hoses and connectors category allows for the restoration of proper refrigerant circulation and stable air conditioning performance in premium-class vehicles. Thanks to its precise fit for the specific 4.4 Diesel configuration, it serves as a practical solution for air conditioning system repairs and maintenance.

Specifications and technical data

• SKU: LR022633
• Mark: Range Rover
• Condition: Used
• OEM Part Number: LR022633
• Substitutable numbers: BH42-19N602-AB, BH4219N602AB, LR022633
• Fuel type: Diesel
• Part type: Pipe
• Category: A/C Hoses & Fittings

Purpose and function in the air conditioning system

The described air conditioning hose is responsible for the tight and stable routing of refrigerant between system components in Range Rovers with a 4.4 Diesel engine. Its task is to maintain the correct operating pressure and minimize energy losses during the operation of the compressor and other air conditioning components. A properly selected hose reduces the risk of cooling efficiency drops, leaks, and improper operation of the entire system.

Compatibility with the 4.4 Diesel unit

The air conditioning pipe has been designed with the specific requirements of the 4.4 Diesel unit in mind, where the air conditioning system operates under increased thermal and pressure loads. Proper routing of the hose in the engine bay, matched to the geometry of the accessories, allows for:

• collision-free routing of refrigerant lines in a densely packed engine bay,
• reduction of vibrations and mechanical stress acting on the connectors,
• maintenance of stable air conditioning performance across a wide temperature range.

Performance characteristics and advantages of the solution

As a component originally designed for the Range Rover brand, this air conditioning hose ensures compatibility with the factory mounting system and correct connection geometry. In practice, this means:

• easier installation compared to universal replacements,
• preservation of the factory hose routing path,
• reduced risk of leaks at connections thanks to properly selected ends. For the user, this translates into more predictable, stable air conditioning operation and a lower risk of needing further system interventions after replacing the part. Combined with a properly functioning compressor and receiver-drier, such a hose helps maintain thermal comfort inside the vehicle at the level expected from a premium-class car.

Condition of the part and installation aspects

The offered component is in Used condition, meaning it has been removed from a vehicle and is intended for users looking for an economical yet functional solution for repairing the air conditioning system. During installation, it is recommended to:

• check the tightness of the entire system after installing the hose,
• replace seals at connection points in accordance with the service procedure,
• perform a pressure test and properly refill the system with refrigerant. This approach allows for fully utilizing the potential of the used part and minimizing the risk of subsequent leaks or cooling efficiency drops.

Technical support and knowledge about the air conditioning system

When replacing air conditioning hoses, it is worth paying attention to the general condition of the compressor, condenser, and other system elements. To better understand the relationships between individual components and the symptoms of typical failures, the guide on the air conditioning compressor will be helpful: Air conditioning compressor – failure symptoms, causes, and safe replacement. It will allow you to assess whether replacing the hose alone is sufficient or if broader diagnostics are necessary. If you are planning a comprehensive repair or upgrade of the air conditioning system area in your Range Rover and need other elements from the same group, such as high-pressure lines, flexible return hoses, or service connectors, check the available parts in the Range Rover air conditioning pipes, hoses and connectors category.