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99214573
Product Information
Product Information

Intercooler Inlet Pressure Hose

This intercooler inlet pressure hose is designed for Porsche Cayenne 9YA models and connects directly to the inlet side of the intercooler within the turbocharged intake system. It plays a key role in transporting compressed air from the turbocharger into the intercooler for cooling before it enters the engine.

Fits:

  • Porsche 992.1 Carrera 2 3.0L 2019-24
  • Porsche 992.1 Carrera 4 3.0L 2019-24
  • Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
  • Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
  • Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
  • Porsche 992.1 Targa 4 3.0L 2020-24
  • Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
  • Porsche 992.1 Turbo 3.8L 2020-24
  • Porsche 992.1 Turbo S 3.8L 2020-24
  • Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
  • Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24

Diagram ref no  11 and 12

A fully sealed and efficient charge air system is essential for turbocharged engine performance. This hose ensures that pressurised air is delivered without loss, supporting optimal combustion, power output and engine efficiency.

What This Intercooler Pressure Hose Does

This hose connects the turbocharger outlet to the intercooler inlet, forming a critical part of the charge air pathway.

It helps:

• Transfer compressed air into the intercooler
• Maintain stable turbo boost pressure
• Ensure efficient cooling of intake air
• Support engine performance and responsiveness
• Maintain correct airflow within the turbo system

Any failure at this point can disrupt the entire boost system and reduce engine efficiency.

Why Intercooler Pressure Hoses Fail

These hoses operate under high pressure and temperature, making them susceptible to wear over time.

Common causes include:

  • Heat and pressure cycles - Constant expansion and contraction weakens the hose material.
  • Cracking or splitting - Rubber or reinforced sections can degrade, especially at connection points.
  • Boost pressure stress - High turbo pressure can cause hoses to bulge or fail.
  • Seal deterioration - Clamps and sealing surfaces may wear, leading to leaks.

Symptoms of a Failing Intercooler Hose

• Loss of turbo boost pressure
• Reduced engine power and acceleration
• Hissing or air leak noise under load
• Engine warning lights related to boost pressure
• Poor throttle response
• Increased fuel consumption

Replacing a worn hose restores the integrity of the turbo system and ensures proper airflow.

Why You May Need to Replace This Hose

  • Restore Boost Pressure - Eliminates leaks and ensures proper turbo operation.
  • Improve Engine Performance - Maintains correct airflow for efficient combustion.
  • Prevent Further Turbo System Damage - Boost leaks can cause the turbo system to work harder than intended.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99214573
PAB145737
PAB145738

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