Inlet Manifold Hose 15x3.5mm. Porsche 911 turbo 1975-89  ❭  99918128450

Inlet Manifold Hose - 15 x 3.5mm 

High-quality 15x3.5mm inlet manifold hose designed for Porsche 911 Turbo models, supporting correct airflow within the intake system.

Fits:

• Porsche 911 1975-1977 3.0L Turbo (930)
• Porsche 911 1978-1989 3.3L Turbo (930)

Diagram ref no 37

This hose connects key intake components, ensuring proper air delivery to the engine and maintaining the balance required for optimal turbocharged performance. Designed to withstand engine bay heat and pressure, it plays a critical role in maintaining stable engine operation and efficiency.

Manufactured to OEM specifications, this hose ensures precise fitment, durability, and reliable performance, making it ideal for maintenance, repair, or restoration of Porsche 911 Turbo intake systems.

Key Features

• 15x3.5mm inlet manifold hose
• Suitable for Porsche 911 Turbo models
• Part number 99918128450
• Designed for air intake system applications
• Ensures secure and leak-free airflow
• Resistant to heat and engine bay conditions
• OEM-style fit and performance

Function and Purpose

This inlet manifold hose is an important part of the intake system.

It helps to:
• Deliver air efficiently to the engine
• Maintain correct air pressure within the intake system
• Support turbocharger and engine performance
• Prevent air leaks that affect running conditions
• Ensure stable and efficient combustion

Why Replace Intake Hoses

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

Common issues include:
• Cracking or splitting
• Air leaks affecting engine performance
• Hardening and loss of flexibility
• Reduced intake efficiency

Replacing worn hoses restores proper airflow and engine performance.

Related reference numbers
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99918128450

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