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

The product you are viewing cross references to these numbers

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

The product you are viewing cross references to these numbers

Banjo bolt fuel injection pump.
Sold each.



Fits:
Porsche 911 1972-77

Click 'Zoom in' for large parts diagram.
Diagram ref no 34



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Related, superseded, cross reference or alternative numbers for comparison.

91110891001

The product you are viewing cross references to these numbers

Banjo bolt. 



Fits:
Porsche 911 - 1965 to 1989

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

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Related, superseded, cross reference or alternative numbers for comparison.

99913401802

The product you are viewing cross references to these numbers

Banjo Fitting M14 to M10 90° Tube.



Fits:
Porsche 911 1969-75

M14 Banjo to M10 90° Hose barb, Secure using either hose clamp or crimp in place with a ferrule. Can be used on fuel or oil applications. Used at the the fuel Tank with MFI Cars in conjunction with an M14 Banjo Bolt.

Click 'Zoom in' for large parts diagram.
Diagram ref no 7

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Related, superseded, cross reference or alternative numbers for comparison.

90135604900

The product you are viewing cross references to these numbers

Braided Fuel Hose (Sold by the Metre) - 7.3mm Internal Diameter / 13.5mm 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 356 1950-65
Porsche 911 Carrera 1965-1977 
Porsche 912 1967-69
Porsche 914 1970-76 

Comparable to Porsche part number(s): 99918003050 & 9991800305A

Specifications:
Inner Diameter (ID): 7.3mm
Outer Diameter (OD): 13.5mm 
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.

9991800305A

The product you are viewing cross references to these numbers

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

The product you are viewing cross references to these numbers

4.5mm Braided Fuel Hose
Sold per metre

High-quality 4.5mm braided fuel hose designed for Porsche 911 models from 1965 to 1973.

This classic-style braided hose is used within the fuel system, particularly for connections between the fuel pump and carburettors, ensuring safe and reliable fuel delivery. The external braid provides additional strength and protection, while maintaining the correct period-correct appearance for early Porsche engine bays.

Fits:

• Porsche 911 1965-1968 2.0L / 912 SWB (F)
• Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)

Diagram ref no 8

Sold per metre, this hose allows you to cut to the exact length required for your installation, making it ideal for maintenance, repair, or full restoration projects.

Key Features

• 4.5mm internal diameter fuel hose
• Braided outer layer for strength and protection
• Suitable for Porsche 911 (1965–1973)
• Ideal for fuel pump and carburettor connections
• Sold per metre for custom fitment
• OEM-style appearance for classic restorations
• Durable and flexible construction

Function and Purpose

This braided fuel hose is a critical part of the fuel delivery system.

It helps to:
• Transport fuel from pump to carburettors
• Maintain safe and consistent fuel flow
• Withstand engine bay conditions and pressure
• Provide additional protection with braided outer layer
• Ensure reliable engine performance

Why Replace Fuel Hoses

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

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

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

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

9991800355A

The product you are viewing cross references to these numbers

4.5mm Braided Fuel Hose
Sold per metre

High-quality 4.5mm braided fuel hose designed for Porsche 911 models from 1965 to 1973.

This classic-style braided hose is used within the fuel system, particularly for connections between the fuel pump and carburettors, ensuring safe and reliable fuel delivery. The external braid provides additional strength and protection, while maintaining the correct period-correct appearance for early Porsche engine bays.

Fits:

• Porsche 911 1965-1968 2.0L / 912 SWB (F)
• Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)

Diagram ref no 8

Sold per metre, this hose allows you to cut to the exact length required for your installation, making it ideal for maintenance, repair, or full restoration projects.

Key Features

• 4.5mm internal diameter fuel hose
• Braided outer layer for strength and protection
• Suitable for Porsche 911 (1965–1973)
• Ideal for fuel pump and carburettor connections
• Sold per metre for custom fitment
• OEM-style appearance for classic restorations
• Durable and flexible construction

Function and Purpose

This braided fuel hose is a critical part of the fuel delivery system.

It helps to:
• Transport fuel from pump to carburettors
• Maintain safe and consistent fuel flow
• Withstand engine bay conditions and pressure
• Provide additional protection with braided outer layer
• Ensure reliable engine performance

Why Replace Fuel Hoses

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

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

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

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

9991800355A

The product you are viewing cross references to these numbers

Breather hose for fuel tank
15x21x1000

Fits:
Porsche 911 (1969 - 1973)

Diagram ref no 48

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

90120160125

The product you are viewing cross references to these numbers

Breather hose for fuel tank
15x21x1000



Fits:
Porsche 911 (1969 - 1973)

Click 'Zoom in' for large parts diagram.
Diagram ref no 48

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

90120160125

The product you are viewing cross references to these numbers

Clear breather hose for fuel tank - 1m length.

Fits:
Porsche 911 - 1965 to 1973
Porsche 911 2.7ltr MFI Carrera - 1974 to 1976
Porsche 912 - 1965 to 1970

Breather hose for fuel tank ventilation. Clear hose in a length of 1 meter

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

00004320520

The product you are viewing cross references to these numbers

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.

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

91111012811

The product you are viewing cross references to these numbers

Fuel bleeder expansion tank set, BLACK.
The set includes: Fuel bleeder expansion tank, hoses, connecting pieces, clamps and rubber sleeve.

Fits:
Porsche 911 1969 - 1973

Diagram ref no 50, 51, 52, 53, 54, 55, 56, 57 and 58

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

90120106222

The product you are viewing cross references to these numbers

Fuel Injector Line – Metering Head to Injector 

High-quality replacement fuel injector line designed for Porsche 911 T and K-Jetronic (CIS) models, connecting the fuel metering head directly to the fuel injectors.

This precision-engineered line is a critical component of the Bosch CIS fuel injection system, delivering fuel under pressure from the metering head to each injector. Accurate fuel delivery through this line is essential for proper atomisation, engine efficiency, and smooth performance.

Fits:

• Porsche 911 T-K 2.4L - 1972-73

Diagram ref no 28

Manufactured to OEM specifications, this injector line ensures exact fitment along with excellent resistance to fuel, heat, and high pressure—making it ideal for maintenance, repair, or restoration of classic Porsche 911 fuel systems.

Key Features

• Direct replacement fuel injector line
• Suitable for Porsche 911 T-K (CIS) models
• Connects fuel metering head to injectors
• Designed for high-pressure fuel delivery
• Resistant to fuel, heat, and pressure
• OEM-style fit and performance

Function and Purpose

This injector line is a vital part of the CIS fuel system.

It helps to:

• Deliver fuel from the metering head to the injectors
• Maintain consistent fuel pressure for precise injection
• Ensure correct fuel atomisation
• Support smooth engine performance and efficiency

Why Replace Your Fuel Injector Line

Injector lines are exposed to constant pressure and heat over time.

Common issues include:

• Internal or external leaks
• Corrosion or fatigue in the line
• Loss of fuel pressure accuracy
• Poor engine performance or misfiring

Replacing the line restores proper fuel delivery and system reliability.

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

91111009300

The product you are viewing cross references to these numbers