Braided Breather Hose 12 x 17mm for Fuel Tank Ventilation. Porsche 911 / 924 / 944  ❭  N0203621

12 x 17mm Braided Fuel Tank Breather Hose – Fuel Tank Ventilation
Sold per metre

High-quality 12 x 17mm braided fuel tank breather hose designed for use in fuel tank ventilation systems across a wide range of vehicles.

This hose is specifically engineered to safely transport fuel vapours, maintaining proper tank ventilation and preventing pressure build-up within the fuel system. The braided outer layer provides added durability and protection while retaining flexibility for easy routing.

Fits:

• Porsche 911 1978-1983 3.0L / SC
• Porsche 911 1984-1986 3.2L
• Porsche 911 1987-1989 3.2L G50
• Porsche 911 1975-1977 3.0L Turbo (930)
• Porsche 911 1978-1989 3.3L Turbo (930)
• Porsche 924 2.0L 1980-85
• Porsche 924 Turbo 2.0L 1982-84
• Porsche 924 Carrera GTS 2.0L 1982
• Porsche 924S 2.5L 1986-87
• Porsche 924S 2.5L 1988
• Porsche 944 2.5L 8V 1982-87
• Porsche 944 2.7L 8V 1988-89
• Porsche 944S 2.5L 16V 1987-88
• Porsche 944S2 3.0L 16V 1989-91
• Porsche 944 Turbo 2.5L 8V 1985-88
• Porsche 944 Turbo 2.5L 8V 1989-91
• Porsche 944 Turbo S 2.5L 8V 1988

Diagram ref no 39

Sold per metre, this hose allows for precise length requirements, making it ideal for maintenance, repair, or restoration of fuel tank breather and ventilation systems.

Key Features

• 12mm internal diameter, 17mm outer diameter
• Braided outer layer for durability and protection
• Designed for fuel tank breather and ventilation systems
• Suitable for fuel vapour transport
• Sold per metre for custom length applications
• Flexible and easy to install
• OEM-style appearance and performance

Function and Purpose

This breather hose is an essential component of the fuel system.

It helps to:
• Vent fuel vapours safely from the tank
• Prevent pressure build-up within the fuel system
• Maintain correct tank ventilation
• Support efficient fuel system operation
• Reduce risk of fuel odours and vapour leaks

Why Replace Breather Hoses

Over time, breather hoses can degrade due to fuel vapours and heat.

Common issues include:
• Cracking or splitting
• Hardening and reduced flexibility
• Fuel vapour leaks
• Blocked or restricted airflow

Replacing worn hoses ensures proper ventilation and safe system operation.

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Related, superseded, cross reference or alternative numbers for comparison.

N0203621

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