Fuel Lines & Breather Hoses

Fuel Banjo Bolt  – K & L Jetronic Fuel System Connection
Sold each

High-quality fuel banjo bolt designed for Porsche models equipped with K-Jetronic and L-Jetronic fuel injection systems.

Fits:

• Porsche 911 1972-73 2.4L T-K
• Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
• Porsche 911 1978-1983 3.0L / SC
• Porsche 911 1975-1977 3.0L Turbo (930)
• Porsche 911 1978-1989 3.3L Turbo (930)
• Porsche 964 (911) TURBO 3.3L 1991-93
• Porsche 964 (911) TURBO 3.6L 1991-93
• 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 944 Turbo 2.5L 8V 1985-88
• Porsche 944 Turbo 2.5L 8V 1989-91
• Porsche 944 Turbo S 2.5L 8V 1988
• Porsche 928 4.5L 1978-82
• Porsche 928S 4.7L 1981-83
• Porsche 928S2 4.7L 1984-86

Diagram ref no 52

This essential fastening component is used to securely connect fuel lines to key parts of the fuel system, including the injection pump, fuel injectors (injection valves), and fuel pump. It ensures proper sealing and reliable fuel delivery across multiple connection points within the system.

Depending on the specific Porsche model and configuration, varying quantities of banjo bolts may be required for hose swivel connections. This component is also commonly supplied as part of a complete fitting set.

Important: This banjo bolt is not suitable for vehicles equipped with LH-Jetronic systems.

Key Features

• Fuel banjo bolt for K-Jetronic and L-Jetronic systems
• Suitable for multiple fuel system connection points
• Connects fuel lines to pump, injectors, and injection system
• Ensures secure, leak-free sealing
• OEM-style fit and specification
• Durable construction for long-term reliability

Function and Purpose

This banjo bolt is a critical fastening component within the fuel injection system.

It helps to:
• Secure fuel line connections across the system
• Maintain correct fuel pressure and flow
• Ensure leak-free sealing at connection points
• Support reliable fuel delivery to engine components
• Enable safe and efficient fuel system operation

Why Replace Banjo Bolts

Over time, banjo bolts can wear or become compromised.

Common issues include:
• Fuel leaks at connection points
• Thread wear or damage
• Corrosion from fuel exposure
• Reduced sealing efficiency

Replacing worn bolts ensures safe operation and maintains proper fuel system performance.

Vehicle Compatibility

Suitable for:
• Porsche models equipped with K-Jetronic fuel injection
• Porsche models equipped with L-Jetronic fuel injection

Not suitable for:
• Porsche models with LH-Jetronic systems

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

91111089900

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Fuel Banjo Bolt  – K & L Jetronic Fuel System Connection
Sold each

High-quality fuel banjo bolt designed for Porsche models equipped with K-Jetronic and L-Jetronic fuel injection systems.

Fits:

• Porsche 911 1972-73 2.4L T-K
• Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
• Porsche 911 1978-1983 3.0L / SC
• Porsche 911 1975-1977 3.0L Turbo (930)
• Porsche 911 1978-1989 3.3L Turbo (930)
• Porsche 964 (911) TURBO 3.3L 1991-93
• Porsche 964 (911) TURBO 3.6L 1991-93
• 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 944 Turbo 2.5L 8V 1985-88
• Porsche 944 Turbo 2.5L 8V 1989-91
• Porsche 944 Turbo S 2.5L 8V 1988
• Porsche 928 4.5L 1978-82
• Porsche 928S 4.7L 1981-83
• Porsche 928S2 4.7L 1984-86

Diagram ref no 12

This essential fastening component is used to securely connect fuel lines to key parts of the fuel system, including the injection pump, fuel injectors (injection valves), and fuel pump. It ensures proper sealing and reliable fuel delivery across multiple connection points within the system.

Depending on the specific Porsche model and configuration, varying quantities of banjo bolts may be required for hose swivel connections. This component is also commonly supplied as part of a complete fitting set.

Important: This banjo bolt is not suitable for vehicles equipped with LH-Jetronic systems.

Key Features

• Fuel banjo bolt for K-Jetronic and L-Jetronic systems
• Suitable for multiple fuel system connection points
• Connects fuel lines to pump, injectors, and injection system
• Ensures secure, leak-free sealing
• OEM-style fit and specification
• Durable construction for long-term reliability

Function and Purpose

This banjo bolt is a critical fastening component within the fuel injection system.

It helps to:
• Secure fuel line connections across the system
• Maintain correct fuel pressure and flow
• Ensure leak-free sealing at connection points
• Support reliable fuel delivery to engine components
• Enable safe and efficient fuel system operation

Why Replace Banjo Bolts

Over time, banjo bolts can wear or become compromised.

Common issues include:
• Fuel leaks at connection points
• Thread wear or damage
• Corrosion from fuel exposure
• Reduced sealing efficiency

Replacing worn bolts ensures safe operation and maintains proper fuel system performance.

Vehicle Compatibility

Suitable for:
• Porsche models equipped with K-Jetronic fuel injection
• Porsche models equipped with L-Jetronic fuel injection

Not suitable for:
• Porsche models with LH-Jetronic systems

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

91111089900

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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.

Related reference numbers
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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.

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

PCG020359A

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Clamp 22/20 – AC Pipe & Fuel Injection Line Clamp 

High-quality 22/20 clamp designed for Porsche applications, used to secure air conditioning pipes on the Porsche 911 and fuel injection lines on the Porsche 924 turbo.

This clamp ensures that critical pipes and lines are held securely in place, maintaining correct routing and preventing movement, vibration, or wear that could compromise system performance. It plays an important role in both cooling system efficiency and fuel delivery reliability.

Fits:

• Porsche 911 1978-1983 3.0L / SC
• Porsche 911 1984-1986 3.2L
• 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

Diagram ref no 40 

Manufactured to OEM specifications, this clamp offers precise fitment, durability, and resistance to heat, pressure, and fuel exposure. Supplied individually, it is ideal for maintenance, repair, or restoration work.

Key Features

• Clamp size 22/20
• Suitable for Porsche 911 and Porsche 924 Turbo
• Part number 99951111502
• Used for AC pipes and fuel injection lines
• Ensures secure mounting and routing
• Prevents vibration-related wear and movement
• Resistant to heat and fuel exposure
• Durable and corrosion-resistant construction
• OEM-style fit and performance
• Sold individually

Function and Purpose

This clamp is designed to secure pipes and lines across key systems.

It helps to:
• Hold air conditioning pipes firmly in place (911)
• Secure fuel injection lines (924 Turbo)
• Maintain correct routing and alignment
• Prevent vibration-related wear or damage
• Ensure long-term system reliability

Why Replace Clamps

Clamps can degrade over time due to environmental exposure.

Common issues include:
• Loss of clamping strength
• Corrosion or fatigue
• Pipe or line movement
• Increased risk of leaks or system inefficiency

Replacing worn clamps ensures proper securing and protects critical systems.

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

99951111502

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Clamp 22/20 – AC Pipe & Fuel Injection Line Clamp 

High-quality 22/20 clamp designed for Porsche applications, used to secure air conditioning pipes on the Porsche 911 and fuel injection lines on the Porsche 924 turbo.

This clamp ensures that critical pipes and lines are held securely in place, maintaining correct routing and preventing movement, vibration, or wear that could compromise system performance. It plays an important role in both cooling system efficiency and fuel delivery reliability.

Fits:

• Porsche 911 1978-1983 3.0L / SC
• Porsche 911 1984-1986 3.2L
• 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

Diagram ref no 40 

Manufactured to OEM specifications, this clamp offers precise fitment, durability, and resistance to heat, pressure, and fuel exposure. Supplied individually, it is ideal for maintenance, repair, or restoration work.

Key Features

• Clamp size 22/20
• Suitable for Porsche 911 and Porsche 924 Turbo
• Part number 99951111502
• Used for AC pipes and fuel injection lines
• Ensures secure mounting and routing
• Prevents vibration-related wear and movement
• Resistant to heat and fuel exposure
• Durable and corrosion-resistant construction
• OEM-style fit and performance
• Sold individually

Function and Purpose

This clamp is designed to secure pipes and lines across key systems.

It helps to:
• Hold air conditioning pipes firmly in place (911)
• Secure fuel injection lines (924 Turbo)
• Maintain correct routing and alignment
• Prevent vibration-related wear or damage
• Ensure long-term system reliability

Why Replace Clamps

Clamps can degrade over time due to environmental exposure.

Common issues include:
• Loss of clamping strength
• Corrosion or fatigue
• Pipe or line movement
• Increased risk of leaks or system inefficiency

Replacing worn clamps ensures proper securing and protects critical systems.

Related reference numbers
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99951111502

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Domed cap nut M10 x 1,25 fuel pump pressure line. 



Fits:
Porsche 911 - 1977 to 1983

Click 'Zoom in' for large parts diagram.
Diagram ref no 35a

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90007001003

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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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Flexible fuel line set MFI. 

Fits:

Porsche 911 RS / RSR / R

Set of six, high pressure, flexible fuel lines from MFI pump to injectors.

Made using high-quality fiber material these have been tested in motor sport.

Suitable for all engines from the 1960/70 and 80s with Mechanical Fuel Injection these come with the original style screw connectors.

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91111012811

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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.

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

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.

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

99918116850

The product you are viewing cross references to these numbers

Fuel hose connector.



Fits:
Porsche 911 (1974-1983)
Porsche 930 Turbo (1975-1977)

Click 'Zoom in' for large parts diagram.
Diagram ref no 12

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91120117102

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