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Air con pipes
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
A/C Pressure Line, Rear.
The Porsche Rear A/C Pressure Line 95557372202 is a genuine replacement refrigerant pipe for the air-conditioning system on Porsche Cayenne models from 2007–2010.
Fits:
Cars With Option Codes:
9AH - 4-Zone Air Conditioning System
Diagram Ref No 1
Located within the rear A/C refrigerant circuit, this pressure line carries pressurised refrigerant between components of the climate-control system. Correct refrigerant circulation is essential for the air-conditioning system to remove heat from the cabin and provide effective cooling.
As an original Porsche replacement component, the line is intended to restore the correct routing, sealing and pressure integrity of the factory air-conditioning system when the existing pipe has become corroded, damaged or has developed a refrigerant leak.
What This Product Does:
The air-conditioning system operates by continuously circulating refrigerant through a closed circuit containing the compressor, condenser, expansion components and evaporator.
This pressure line forms part of that sealed refrigerant circuit and transports refrigerant under pressure to the appropriate A/C components.
Its functions include:
- Carrying pressurised A/C refrigerant through the system
- Maintaining a sealed refrigerant circuit
- Supporting correct operation of the rear air-conditioning system
- Helping maintain the required refrigerant pressure
- Allowing efficient heat transfer and cabin cooling
- Maintaining the original factory refrigerant routing
- Providing a secure connection between A/C components
If the line cannot maintain a proper seal, refrigerant can escape and air-conditioning performance will progressively deteriorate.
Symptoms Of Wear Or Failure:
A/C refrigerant lines can deteriorate because of corrosion, vibration, road debris, repeated heat cycles or damage to connections and seals.
Common symptoms of a failing pressure line include:
- Air-conditioning no longer blowing cold air
- Reduced or inconsistent cooling performance
- Rear A/C noticeably warmer than expected
- Refrigerant level repeatedly becoming low
- A/C requiring frequent recharging
- Visible corrosion on the refrigerant pipe
- Cracks, dents or physical damage to the line
- Oily residue around the pipe or connection points
- Refrigerant dye visible around a leaking joint
- Hissing from the A/C system after shutdown
- Compressor cycling on and off more frequently than normal
- A/C system refusing to engage because refrigerant pressure is too low
- Loss of cooling shortly after the system has been recharged
An oily deposit is a common visual indication of leakage because small quantities of compressor oil circulate with the refrigerant and may escape with it.
Why Replacement Matters:
- The air-conditioning system must remain sealed to operate correctly. Even a small leak in a pressure line allows refrigerant to escape, gradually reducing the system's ability to cool the cabin.
- Operating the system with insufficient refrigerant can also reduce lubrication circulation through the compressor. If refrigerant loss is ignored for an extended period, this can contribute to more expensive A/C system problems.
- Replacing a leaking or corroded pressure line helps restore the sealed refrigerant circuit and enables the system to be correctly evacuated, leak-tested and recharged to the specified refrigerant quantity.
- Replacement is particularly important where corrosion has weakened the pipe, as a minor leak can eventually develop into a more substantial failure and lead to complete loss of air-conditioning performance.
- Because the A/C system contains refrigerant under pressure, servicing and recharging should be carried out using appropriate refrigerant recovery and charging equipment.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95557372202
The product you are viewing cross references to these numbers
Porsche Air Conditioning Pipes | Reliable Refrigerant Flow & Leak-Free Cooling Performance
Air conditioning pipes are vital to your Porsche’s climate control system, carrying refrigerant between the compressor, condenser, evaporator, and expansion valve. These precision-engineered lines ensure efficient cooling, optimal refrigerant pressure, and dependable A/C performance — keeping your cabin comfortable in all driving conditions.
At Design911, we supply high-quality air conditioning pipes and hose assemblies designed to meet or exceed original engineering standards. Manufactured from corrosion-resistant aluminium and reinforced rubber, each pipe ensures precise fitment, leak-free operation, and long-term reliability under high pressure and temperature variations.
Whether you’re repairing a refrigerant leak, restoring your A/C system, or replacing damaged lines, our Porsche air conditioning pipes deliver the durability and cooling efficiency you can rely on.
What Do Air Conditioning Pipes Do?
A/C pipes form the connecting network between key components in your Porsche’s air conditioning system. They enable efficient refrigerant circulation, pressure regulation, and heat exchange throughout the system.
Core Functions:
- Transport refrigerant between the compressor, condenser, and evaporator.
- Maintain correct refrigerant pressure for cooling efficiency.
- Withstand high pressures and temperature fluctuations.
- Prevent leaks and contamination within the A/C circuit.
- Ensure consistent climate control and cabin comfort.
Without properly functioning A/C pipes, the system cannot circulate refrigerant effectively — leading to poor cooling, pressure loss, or compressor failure.
Why Do Air Conditioning Pipes Fail or Leak?
Over time, air conditioning pipes are exposed to vibration, pressure cycles, and environmental elements that can cause wear or damage.
Common Causes of Failure Include:
- Corrosion or pitting from moisture and road salt.
- Rubber hose deterioration due to heat and age.
- Cracks or fractures caused by vibration or impact.
- Damaged O-rings or seals leading to refrigerant leaks.
- Blockages from debris or oil contamination.
When a pipe fails, symptoms may include warm air from the vents, visible oil or refrigerant residue, hissing sounds, or A/C warning lights — all indicating that replacement is needed.
Why Replace Your Porsche Air Conditioning Pipes?
Replacing damaged or leaking A/C pipes restores refrigerant pressure and prevents costly compressor or system damage. High-quality replacements ensure reliable operation and improved resistance to corrosion and vibration.
Key Benefits:
- Restores correct refrigerant circulation and pressure.
- Prevents leaks and loss of cooling efficiency.
- Protects the compressor and other A/C components.
- Corrosion- and heat-resistant construction for long service life.
- Compatible with Porsche 911, Cayman, Boxster, Panamera, Macan, and more models.
- Ideal for A/C system servicing, rebuilds, and full restorations.
It’s recommended to replace all associated O-rings and seals when fitting new A/C pipes to ensure a complete, leak-free installation.
Highlights
- Precision-engineered Porsche A/C pipes and refrigerant lines.
- High-strength aluminium and reinforced rubber construction.
- Designed for accurate fitment and long-lasting reliability.
- Prevents refrigerant leaks and pressure loss.
- Direct-fit replacements for all Porsche A/C systems.
- Essential for maintenance, servicing, or full climate system rebuilds.
