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PCG239094A/1
Product Information
Product Information

Air Hose – 19 x 26mm
Sold per metre

High-quality air hose designed for Porsche 911 turbo and 928 models, supplied per metre for flexible installation and precise fitment.

On the 911 Turbo, this hose connects the auxiliary air regulator to the air filter box, supporting proper airflow during engine warm-up. On the Porsche 928, it connects to the air guide housing, ensuring balanced airflow within the intake system.

Fits:

  • Porsche 911 1978-1989 3.3L Turbo (930)
  • Porsche 928 4.5L 1978-82
  • Porsche 928S 4.7L 1981-83
  • Porsche 928S2 4.7L 1984-86

Diagram ref no 53

This hose plays a critical role in idle stabilisation and cold start performance by regulating additional air supply during engine warm-up. Manufactured to OEM specifications, it offers durability, flexibility, and resistance to engine bay heat.

Key Features

• Auxiliary air regulator hose for intake systems
• Suitable for Porsche 911 Turbo and Porsche 928
• Part number PCG239094A
• Sold per metre for custom length applications
• Designed for idle control and airflow regulation
• Resistant to heat and engine bay conditions
• Flexible and durable construction
• OEM-style fit and performance

Function and Purpose

This hose is an essential component of the intake and idle control system.

It helps to:
• Connect auxiliary air regulator to intake system
• Regulate airflow during cold starts
• Maintain stable idle speed
• Support engine warm-up performance
• Ensure smooth and consistent engine operation

Why Replace Auxiliary Air Hoses

Over time, intake hoses can degrade due to heat and age.

Common issues include:
• Cracking or splitting
• Air leaks causing unstable idle
• Hardening and reduced flexibility
• Reduced airflow efficiency

Replacing worn hoses restores proper intake airflow and engine performance.



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Related, superseded, cross reference or alternative numbers for comparison.

PCG239094A
PCG239094A

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