Fuel Lines & Breather Hoses

Banjo bolt. 



Fits:
Porsche 911 - 1965 to 1989

Click 'Zoom in' for large parts diagram.
Diagram ref no 36

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99913401802

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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.

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N0203621

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Braided Fuel Hose (Sold by the Metre) - 9.3mm Internal Diameter / 15.3mm Outer Diameter. 

This high-quality braided fuel hose is designed for multiple uses within the fuel system of various vehicles. It offers extremely low fuel permeability, excellent heat resistance, and high flexibility, making it a reliable choice for demanding applications.

Fits:
Porsche 911 Carrera 1965-89
Porsche 911 Turbo (930) 1975-89 
Porsche 914 1970-76
Porsche 924 1976-85
Porsche 928 1978-91

Comparable to Porsche part number(s): N0203591 & PCG020359A

Specifications:

Inner Diameter (ID): 9.3mm
Outer Diameter (OD): 15.3mm 
Material: FPM/ECO/AR/ECO (Type 3E) – Compliant with DIN 73379-1
Complies With: EU End-of-Life Vehicles Directive

NOTE: This product is not suitable for use in fuel tanks, or for gear and/or engine oils. Always follow the manufacturer's specifications regarding operating temperatures, especially for high-performance engines exposed to extreme heat.

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PCG020359A

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Fuel Breather & Handbrake Cable Clamp - 9/10
Sold each

High-quality 10/9 clamp designed for securing components on Porsche 911 and 914 models.

This clamp is used in the fuel tank breather system on the Porsche 911 and for securing handbrake cables on the Porsche 914, making it a versatile and essential component for maintaining proper routing and system integrity.

Fits:

• Porsche 911 1987-1989 3.2L G50
• Porsche 911 1987-1989 3.3L Turbo (930)
• Porsche 914 (1970-1976)

Diagram ref no 23 

Manufactured to OEM specifications, this clamp ensures secure fitment, durability, and resistance to corrosion. Supplied individually, it is ideal for maintenance, repair, or restoration of classic Porsche systems.

Key Features

• Clamp size 10/9
• Suitable for Porsche 911 and Porsche 914
• Part number 99951107202
• Used for fuel breather hoses and handbrake cables
• Ensures secure mounting and routing
• Durable and corrosion-resistant construction
• OEM-style fit and performance
• Sold individually

Function and Purpose

This clamp is designed to secure hoses and cables in position.

It helps to:
• Hold fuel breather hoses securely in place (911)
• Maintain correct routing of handbrake cables (914)
• Prevent movement and vibration-related wear
• Protect hoses and cables from damage
• Ensure reliable system operation

Why Replace Clamps

Clamps can weaken or corrode over time.

Common issues include:
• Reduced clamping strength
• Corrosion or fatigue
• Hose or cable movement
• Increased risk of leaks or wear

Replacing worn clamps ensures secure installation and long-term reliability.

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99951107202

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Expanding nut. Porsche 911 / 964 / 993
Used for number plate holder and interior door top trim bracket



Fits:
Porsche 911 - 1979 to 1989
Porsche 964 - 1989 to 1994
Porsche 993 - 1994 to 1998

Click 'Zoom in' for large parts diagram.
Diagram ref no 5

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99959149840

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Fuel & Clutch Pipe Connector – M14 
Sold each

High-quality M14 pipe connector designed for use in Porsche fuel and clutch hydraulic systems across a wide range of models including 924, 944, 911, 964, and 993.

This connector is used to securely join fuel or hydraulic lines, ensuring a reliable and leak-free connection under pressure. Whether used in the fuel delivery system or clutch hydraulic circuit, it plays a vital role in maintaining system integrity and performance.

Fits:

• Porsche 911 1987-1989 3.2L G50
• Porsche 911 1978-1989 3.3L Turbo (930)
• Porsche 964 (911) C2 1989-93
• Porsche 964 (911) C4 1989-93
• Porsche 964 (911) RS 3.6L 1991-93
• Porsche 964 (911) RS 3.8L 1991-93
• Porsche 964 (911) TURBO 3.3L 1991-93
• Porsche 964 (911) TURBO 3.6L 1991-93
• Porsche 993 (911) C2 1994-97
• Porsche 993 (911) C4 1994-97
• Porsche 993 (911) RS 1994-97
• Porsche 993 (911) C2S 1994-97
• Porsche 993 (911) C4S 1994-97
• Porsche 993 (911) TURBO 1994-96
• Porsche 993 (911) GT2 1994-97
• Porsche 993 (911) TURBO S 1994-97
• Porsche 924 2.0L 1976-79
• Porsche 924 2.0L 1980-85
• Porsche 924 Turbo 2.0L 1979-81
• Porsche 924 Turbo 2.0L 1982-84
• Porsche 924 Carrera GT 2.0L 1981
• 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 13

Manufactured to OEM specifications, this M14 connector provides precise fitment and durability, making it ideal for maintenance, repair, or restoration work across multiple Porsche platforms.

Key Features

• M14 pipe connector for fuel and clutch systems
• Suitable for multiple Porsche models
• Ensures secure, leak-free line connections
• Designed for fuel and hydraulic applications
• OEM-style fit and performance
• Durable construction for long-term reliability

Function and Purpose

This connector is a critical link within both fuel and hydraulic systems.

It helps to:

• Join pipework securely under pressure
• Maintain system sealing and integrity
• Prevent leaks in fuel or clutch circuits
• Support safe and reliable operation

Why Replace Pipe Connectors

Over time, connectors can wear or degrade due to pressure, vibration, and exposure.

Common issues include:

• Thread wear or deformation
• Fuel or hydraulic fluid leaks
• Poor sealing between pipe connections
• Reduced system reliability

Replacing connectors ensures safe and effective system performance.

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477209161

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Fuel collection pipe for cylinder row 4–6 on the right-hand side of the engine compartment.



Fits:
Porsche 911 Carrera (1984 to 1989)

Click 'Zoom in' for large parts diagram.
Diagram ref no 4

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93011030804

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Fuel Hose – Fuel Tank to Expansion Chamber 
Sold per metre

High-quality fuel hose designed for Porsche 911 models from 1978 to 1989, used to connect the fuel tank to the expansion chamber.

This hose plays a vital role in the fuel system by allowing safe transfer of fuel vapours and maintaining proper tank ventilation. It ensures correct pressure balance within the fuel tank and supports efficient operation of the fuel and emissions system.

Fits:

• Porsche 911 1978-1983 3.0L / SC
• Porsche 911 1984-1986 3.2L
• Porsche 911 1987-1989 3.2L G50
• Porsche 911 1978-1989 3.3L Turbo (930)

Diagram ref no 5

Supplied per metre, this hose allows for custom length replacement, making it ideal for maintenance, repair, or restoration of classic Porsche 911 models. Manufactured to OEM specifications, it provides reliable performance and correct fitment.

Key Features

• Fuel hose for tank to expansion chamber connection
• Suitable for Porsche 911 (1978–1989)
• Part number 9991811895A
• Designed for fuel vapour and ventilation systems
• Sold per metre for custom lengths
• Flexible and durable construction
• OEM-style specification and performance

Function and Purpose

This hose is a key component in the fuel tank ventilation system.

It helps to:
• Connect fuel tank to expansion chamber
• Allow safe transfer of fuel vapours
• Maintain correct internal tank pressure
• Prevent fuel vapour build-up
• Support efficient fuel system operation

Why Replace Fuel Hoses

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

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

Replacing worn hoses ensures safe operation and proper fuel system performance.

Related reference numbers
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9991811895A

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Fuel Hose – Fuel Tank to Expansion Chamber 
Sold per metre

High-quality fuel hose designed for Porsche 911 models from 1978 to 1989, used to connect the fuel tank to the expansion chamber.

This hose plays a vital role in the fuel system by allowing safe transfer of fuel vapours and maintaining proper tank ventilation. It ensures correct pressure balance within the fuel tank and supports efficient operation of the fuel and emissions system.

Fits:

• Porsche 911 1978-1983 3.0L / SC
• Porsche 911 1984-1986 3.2L
• Porsche 911 1987-1989 3.2L G50
• Porsche 911 1978-1989 3.3L Turbo (930)

Diagram ref no 5

Supplied per metre, this hose allows for custom length replacement, making it ideal for maintenance, repair, or restoration of classic Porsche 911 models. Manufactured to OEM specifications, it provides reliable performance and correct fitment.

Key Features

• Fuel hose for tank to expansion chamber connection
• Suitable for Porsche 911 (1978–1989)
• Part number 9991811895A
• Designed for fuel vapour and ventilation systems
• Sold per metre for custom lengths
• Flexible and durable construction
• OEM-style specification and performance

Function and Purpose

This hose is a key component in the fuel tank ventilation system.

It helps to:
• Connect fuel tank to expansion chamber
• Allow safe transfer of fuel vapours
• Maintain correct internal tank pressure
• Prevent fuel vapour build-up
• Support efficient fuel system operation

Why Replace Fuel Hoses

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

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

Replacing worn hoses ensures safe operation and proper fuel system performance.

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9991811895A

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Fuel Hose 12 x 19mm
Sold per metre

High-quality fuel hose designed for use across a wide range of Porsche fuel system applications, supplied per metre for maximum flexibility and precise fitment.

Fits

• Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
• 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 944S2 3.0L 16V 1989-91
• Porsche 928 4.5L 1978-82
• Porsche 928S 4.7L 1981-83
• Porsche 928S2 4.7L 1984-86
• Porsche 928S4 5.0L 1987-92
• Porsche 928GT 5.0L 1989-91
• Porsche 928GTS 5.4L 1992-95

This hose is engineered to ensure safe and consistent fuel delivery between system components such as fuel tanks, pumps, filters, and injectors. Built to withstand fuel exposure, pressure, and engine bay temperatures, it provides reliable long-term performance.

Sold per metre, this hose allows you to cut the exact length required, making it ideal for maintenance, repair, or restoration projects. Manufactured to OEM standards for durability and correct specification.

Key Features

• Fuel hose suitable for various Porsche applications
• Part number 99918116850
• Sold per metre for custom length requirements
• Designed for fuel system use
• Resistant to fuel and heat exposure
• Flexible and durable construction
• OEM-style fit and performance

Function and Purpose

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

It helps to:
• Transport fuel safely between components
• Maintain consistent fuel flow and pressure
• Ensure leak-free operation
• Support efficient engine performance
• Enable reliable fuel delivery under load

Why Replace Fuel Hoses

Over time, fuel hoses degrade due to exposure to heat and fuel.

Common issues include:
• Cracking or splitting
• Fuel leaks and safety risks
• Hardening and reduced flexibility
• Reduced fuel delivery efficiency

Replacing worn hoses ensures safe operation and restores optimal fuel system performance.

Related reference numbers
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99918116850

The product you are viewing cross references to these numbers

Fuel Hose 12 x 19mm
Sold per metre

High-quality fuel hose designed for use across a wide range of Porsche fuel system applications, supplied per metre for maximum flexibility and precise fitment.

Fits

• Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
• 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 944S2 3.0L 16V 1989-91
• Porsche 928 4.5L 1978-82
• Porsche 928S 4.7L 1981-83
• Porsche 928S2 4.7L 1984-86
• Porsche 928S4 5.0L 1987-92
• Porsche 928GT 5.0L 1989-91
• Porsche 928GTS 5.4L 1992-95

This hose is engineered to ensure safe and consistent fuel delivery between system components such as fuel tanks, pumps, filters, and injectors. Built to withstand fuel exposure, pressure, and engine bay temperatures, it provides reliable long-term performance.

Sold per metre, this hose allows you to cut the exact length required, making it ideal for maintenance, repair, or restoration projects. Manufactured to OEM standards for durability and correct specification.

Key Features

• Fuel hose suitable for various Porsche applications
• Part number 99918116850
• Sold per metre for custom length requirements
• Designed for fuel system use
• Resistant to fuel and heat exposure
• Flexible and durable construction
• OEM-style fit and performance

Function and Purpose

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

It helps to:
• Transport fuel safely between components
• Maintain consistent fuel flow and pressure
• Ensure leak-free operation
• Support efficient engine performance
• Enable reliable fuel delivery under load

Why Replace Fuel Hoses

Over time, fuel hoses degrade due to exposure to heat and fuel.

Common issues include:
• Cracking or splitting
• Fuel leaks and safety risks
• Hardening and reduced flexibility
• Reduced fuel delivery efficiency

Replacing worn hoses ensures safe operation and restores optimal fuel system performance.

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99918116850

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Fuel Line. Fuel filter to Accumulator.



Fits:
Porsche 911 1981-89

Click 'Zoom in' for large parts diagram.
Diagram ref no 17

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91135609103

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Fuel pipe clamp. Front.



Fits:
Porsche 911 / 911S 1975-77
Porsche 911 1982-89

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Diagram ref no 44

Fuel pipe with "T" connection. 



Fits:
Porsche 911 Carrera 3.2L 1984-89

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Diagram ref no 9

Fuel pipe with "T" connection. 



Fits:
Porsche 911 Carrera 3.2L 1984-89

Click 'Zoom in' for large parts diagram.
Diagram ref no 9

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93011059507

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Fuel Return Line Spiral.



Fits:
Porsche 911 Carrera 1984-89

Click 'Zoom in' for large parts diagram.
Diagram ref no 5

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