Porsche 911 991 718 982 Air Conditioning Pipe Hose Line 99157309405

Porsche 911 991 718 982 Air Conditioning Pipe Hose Line is an original cabin cooling system component, designed for the precise routing of refrigerant within the installation. Thanks to its factory geometry and perfect fit for the 991/718/982 platform, it ensures stable air conditioning system performance and correct operating pressures throughout the entire circuit. As an original Porsche component, it allows for maintaining the structural and service integrity of the vehicle.

Specifications and technical data

• SKU: 99157309405
• Mark: Porsche
• Condition: Used
• OEM Part Number: 99157309405
• Substitutable numbers: 99157309405, 991 573 094 05
• Part type: Pipe
• Category: A/C Hoses & Fittings

Purpose and function in the air conditioning system

The offered pipe belongs to the group of components responsible for transporting refrigerant between air conditioning system parts, such as the compressor, condenser, evaporator, or receiver-drier. The correct cross-section, length, and shape of the pipe are crucial for:

• maintaining proper refrigerant flow throughout the circuit,
• preserving correct high and low-side pressures,
• reducing pressure drops and performance losses,
• secure routing of the pipe within the engine bay and chassis, while maintaining factory mounting points.

In Porsche 911 (991 generation) and 718 / 982 models, a correctly selected air conditioning pipe has a direct impact on interior cooling efficiency, compressor operating smoothness, and the durability of other system components.

Original Porsche manufacturing and fitment

As an element from the Air conditioning pipes, hoses, and connectors group, this pipe has been designed for specific body types and component layouts in 911 991 and 718 / 982 models. This means:

• factory mounting points and routing along the body or engine bay,
• use of dedicated connectors and ends for the Porsche air conditioning system,
• compatibility with original seals and mounting hardware,
• maintenance of factory-level sealing when properly installed with new O-rings.

An original air conditioning pipe reduces the risk of tension, twisting, or rubbing against other elements, which is particularly important in sports cars where installation space is highly constrained.

Condition, inspection, and preparation for installation

The item is offered as a used part, which in practice means a beneficial combination of original origin and an attractive price compared to a new component. Before installation, the following standard service procedure is recommended:

• verification of ports and connectors for any mechanical damage,
• use of new O-rings selected for the Porsche air conditioning system,
• performing a leak test of the entire system after pipe installation,
• proper evacuation and recharging of the system with refrigerant compliant with the vehicle manufacturer's specifications.

This approach allows for fully utilizing the potential of the original pipe and minimizing the risk of repeated interventions in the air conditioning system.

Benefits of using an original air conditioning pipe

Using a factory pipe in a Porsche 911 991 and 718 / 982 brings a number of practical service and operational benefits:

• reliable fitment – no need for modifications, bending, or shortening the pipe,
• preservation of the factory air conditioning system geometry,
• easier diagnostics and future service maintenance,
• consistency with the manufacturer's technical documentation and diagrams.

For workshops specializing in the Porsche brand and for informed users, this is a solution that allows for maintaining a high standard of repair, without the compromises typical of universal aftermarket replacements.

Selection, diagnostics, and service knowledge

When replacing the air conditioning pipe, it is worth simultaneously assessing the condition of the compressor, condenser, receiver-drier, and other pipes in the circuit. Helpful guidance material discussing practical aspects of air conditioning service – from diagnostics to part selection – may be useful. More information can be found in the article: No cooling in the car – when is it worth choosing an original used air conditioning compressor.

If you are planning a comprehensive repair or upgrade of the air conditioning system in your Porsche and need other elements from the same group, such as pipes, hoses, or service connectors, check the available parts in the Porsche air conditioning pipes, hoses, and connectors category.