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Fuel Lines & Breather Hoses

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DISPLAYING 1 to 16 (of 25 products)
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PCG020359A/1
Product Information
Product Information

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
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PCG020359A
N0203591
PCG020359A

The product you are viewing cross references to these numbers
Special Order item
92811026901
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Diaphragm to Distributor Fuel Hose.

 
porsche

Fits:
Porsche 928 S 1985-86
Porsche 928 S4 1987-91
Porsche 928 GT 1989-91
Porsche 928 GTS 1992-95

Click 'Zoom in' for lage parts diagram.
Diagram ref no 6



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92811026901
92811026901

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90017600102
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Fuel connection piece. Fits between the solenoid valve and the fuel line originating from the fuel distributor. 

porsche

Fits: 
Porsche 928 4.5L / 4.7L 1980-83 *

*This part is only suitable for vehicles with the following engine codes produced after 18/02/1980... 

Engine Type 2809 | Engine Code M 800 0378>> 
Engine Type 2810 | Engine Code M 800 5496>> 
Engine Type 2811 | Engine Code M 820 0233>> 
Engine Type 2812 | Engine Code M 820 5025>> 

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

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90017600102
90012311530
92811023500
92811018904
92860510300

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92835608102/1
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Fuel Cooling Supply Line 

High-quality replacement fuel cooling supply line designed for Porsche 928S models from 1984 to 1986.

This hose forms part of the fuel cooling system, helping regulate fuel temperature as it circulates through the engine bay. Maintaining correct fuel temperature is essential for optimal engine performance, efficiency, and reliability—particularly in high-performance V8 applications.

Fits:

  • Porsche 928S2 4.7L 1984-86

Diagram ref no 6

Manufactured to OEM specifications, this fuel cooling line ensures precise fitment, durability, and resistance to fuel, heat, and pressure—making it ideal for maintenance, repair, or restoration of your Porsche 928S.

Key Features

• Direct replacement fuel cooling supply line
• Suitable for Porsche 928S (1984–1986)
• Helps regulate fuel temperature
• Resistant to fuel, heat, and pressure
• OEM-style fit and performance
• Ideal for maintenance and restoration

Function and Purpose

This hose is a critical component of the fuel system.

It helps to:

• Maintain stable fuel temperature
• Support efficient fuel delivery
• Prevent fuel overheating in the engine bay
• Improve engine performance and reliability

Why Replace Your Fuel Cooling Line

Fuel hoses are exposed to high temperatures and pressure over time.

Common issues include:

• Cracking or degradation of hose material
• Fuel leaks or seepage
• Reduced cooling efficiency
• Increased risk of fuel system failure

Replacing the line restores proper fuel system function and safety.



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92835608102
92835608102

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92835603700/1
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Fuel Feed Hose – Feed 

High-quality replacement fuel feed hose designed for Porsche 928S models from 1978 to 1979

This hose is a critical component of the fuel delivery system, transporting fuel from the tank to the engine. It ensures consistent fuel flow under pressure, supporting proper engine performance and reliability.

Fits:

  • Porsche 928 4.5L 1978-79

Diagram ref no 41

Manufactured to OEM specifications, this fuel hose offers precise fitment, durability, and resistance to fuel, heat, and pressure—making it ideal for maintenance, repair, or restoration of classic Porsche 928 models.

Key Features

• Direct replacement fuel feed hose
• Suitable for Porsche 928 (1978-79)
• Ensures reliable fuel delivery to engine
• Resistant to fuel, heat, and pressure
• OEM-style fit and performance
• Ideal for maintenance and restoration

Function and Purpose

This hose forms a vital part of the fuel system.

It helps to:

• Transport fuel safely from the tank to the engine
• Maintain consistent fuel pressure and flow
• Support engine performance and efficiency
• Prevent fuel leaks and pressure loss

Why Replace Your Fuel Hose

Fuel hoses degrade over time due to age, heat, and exposure to fuel.

Common issues include:

• Cracking or hardening of rubber
• Fuel leaks or seepage
• Reduced fuel pressure
• Increased risk of engine performance issues or fire hazards

Replacing the hose ensures safe and reliable fuel system operation.



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

92835603700
92835603700

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92811026901/1
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Fuel Hose – Regulator to Fuel Rail 

High-quality replacement fuel hose designed for Porsche 928 models from 1985 to 1995.

This hose connects the fuel pressure regulator to the fuel rail, forming a vital part of the fuel injection system. It ensures controlled and consistent fuel delivery to the injectors, supporting proper engine performance, efficiency, and reliability.

Fits:

  • Porsche 928S2 4.7L 1985-86
  • Porsche 928S4 5.0L 1987-92
  • Porsche 928GT 5.0L 1989-91
  • Porsche 928GTS 5.4L 1992-95

Diagram ref no 6

Manufactured to OEM specifications, this fuel hose provides precise fitment and excellent resistance to fuel, heat, and pressure—ideal for maintenance, repair, or restoration of Porsche 928 fuel systems.

Key Features

• Direct replacement fuel hose (regulator to fuel rail)
• Suitable for Porsche 928 (1985–1995)
• Supports consistent fuel pressure and delivery
• Resistant to fuel, heat, and pressure
• OEM-style fit and performance
• Ideal for fuel system maintenance and restoration

Function and Purpose

This hose is a key component of the fuel injection system.

It helps to:

• Transfer fuel from the regulator to the fuel rail
• Maintain correct fuel pressure at the injectors
• Ensure stable and efficient fuel delivery
• Support optimal engine performance

Why Replace Your Fuel Hose

Fuel hoses are subject to ageing, heat, and pressure over time.

Common issues include:

• Cracking or deterioration of rubber
• Fuel leaks or seepage
• Loss of fuel pressure
• Engine performance issues or safety risks

Replacing the hose restores fuel system integrity and safety.



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

92811026901
92811026901

The product you are viewing cross references to these numbers
92811027102/1
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Product Information

Fuel Hose – Regulator to Fuel Pressure Damper 

High-quality replacement fuel hose designed for Porsche 928 S4, 928 GT, and 928 GTS models.

This hose connects the fuel pressure regulator to the fuel pressure damper, forming a crucial link within the fuel injection system. It ensures controlled fuel pressure flow between components, supporting smooth engine operation, stable fuel delivery, and optimal performance.

Fits:

  • Porsche 928S4 5.0L 1987-92
  • Porsche 928GT 5.0L 1989-91
  • Porsche 928GTS 5.4L 1992-95

Diagram ref no 7

Manufactured to OEM specifications, this hose offers precise fitment along with excellent resistance to fuel, heat, and pressure—making it ideal for maintenance, repair, or restoration of Porsche 928 V8 fuel systems.

Key Features

• Direct replacement fuel hose (regulator to damper)
• Suitable for Porsche 928 S4, GT, and GTS models
• Maintains correct fuel pressure transfer between components
• Resistant to fuel, heat, and pressure
• OEM-style fit and performance
• Ideal for fuel system maintenance and restoration

Function and Purpose

This hose is a key part of the fuel injection system.

It helps to:

• Transfer fuel between the regulator and pressure damper
• Maintain stable fuel pressure across the system
• Reduce pressure fluctuations
• Support consistent fuel delivery to the engine

Why Replace Your Fuel Hose

Fuel hoses degrade over time due to exposure to heat, pressure, and fuel.

Common issues include:

• Cracking or hardening of hose material
• Fuel leaks or seepage
• Loss of fuel pressure stability
• Engine hesitation or performance issues

Replacing the hose restores proper fuel system operation and safety.



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

92811027102
92811027102

The product you are viewing cross references to these numbers
92835608100/1
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Product Information

Fuel Return Hose 

High-quality replacement fuel return hose designed for Porsche 928 and 928S models from 1979 to 1983.

This hose is a critical component of the fuel system, responsible for returning excess fuel from the engine back to the fuel tank. It ensures proper fuel circulation and maintains stable system pressure, supporting smooth engine operation and reliability.

Fits:

  • Porsche 928 4.5L 1979-82
  • Porsche 928S 4.7L 1981-83

Diagram ref no 29

Manufactured to OEM specifications, this fuel return hose provides precise fitment along with excellent resistance to fuel, heat, and pressure—making it ideal for maintenance, repair, or restoration of early Porsche 928 models.

Key Features

• Direct replacement fuel return hose
• Suitable for Porsche 928 / 928S (1979–1983)
• Maintains proper fuel circulation and pressure balance
• Resistant to fuel, heat, and pressure
• OEM-style fit and performance
• Ideal for maintenance and classic restoration

Function and Purpose

This hose plays a vital role in the fuel system.

It helps to:

• Return excess fuel safely to the tank
• Maintain stable fuel pressure
• Prevent overpressure in the system
• Support efficient fuel circulation

Why Replace Your Fuel Return Hose

Fuel hoses degrade over time due to heat cycles and fuel exposure.

Common issues include:

• Cracking or hardening of the hose
• Fuel leaks or seepage
• Pressure imbalance within the fuel system
• Reduced engine reliability and performance

Replacing the hose restores safe and consistent fuel system operation.



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

92835608100
92835608100

The product you are viewing cross references to these numbers
92835604103/1
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Product Information

Fuel Return Hose 

High-quality replacement fuel return hose designed for early Porsche 928 models from 1978 to 1980.

This hose is a vital component of the fuel system, responsible for returning excess fuel from the engine back to the fuel tank. It ensures proper fuel circulation and pressure balance, supporting smooth engine operation and overall system efficiency.

Fits:

  • Porsche 928 4.5L 1978-82

Diagram ref no 45

Manufactured to OEM specifications, this fuel return hose offers precise fitment along with excellent resistance to fuel, heat, and pressure—making it ideal for maintenance, repair, or restoration of classic Porsche 928 models.

Key Features

• Direct replacement fuel return hose
• Suitable for Porsche 928 (1978–1980)
• Maintains proper fuel circulation and pressure balance
• Resistant to fuel, heat, and pressure
• OEM-style fit and performance
• Ideal for classic Porsche maintenance and restoration

Function and Purpose

This hose plays a key role in the fuel system.

It helps to:

• Return excess fuel safely to the tank
• Maintain stable fuel pressure within the system
• Prevent overpressure in fuel lines
• Support efficient fuel circulation and engine performance

Why Replace Your Fuel Return Hose

Fuel hoses deteriorate over time due to age, heat, and exposure to fuel.

Common issues include:

• Cracking or hardening of the hose
• Fuel leaks or seepage
• Pressure imbalance within the fuel system
• Reduced reliability and performance

Replacing the hose restores safe and consistent fuel system operation.



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

92835604103
92835604103
92835604100
92835604102

The product you are viewing cross references to these numbers
92835607900/1
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Product Information

Fuel Feed Hose – Fuel Delivery Line 

High-quality replacement fuel feed hose designed for Porsche 928 and 928S models from 1980 to 1986.

This hose is a critical component of the fuel delivery system, transporting fuel from the tank to the engine. It ensures consistent fuel flow under pressure, supporting proper engine performance and reliability.

Fits:

  • Porsche 928 4.5L 1980-82
from Chassis numbers
F 92-A0800 879>>
F 92-A0820 539>>
  • Porsche 928S 4.7L 1981-83
  • Porsche 928S2 4.7L 1984-86

Diagram ref no 28

Manufactured to OEM specifications, this fuel hose offers precise fitment, durability, and resistance to fuel, heat, and pressure—making it ideal for maintenance, repair, or restoration of classic Porsche 928 models.

Key Features

• Direct replacement fuel feed hose
• Suitable for Porsche 928 / 928S (1980–1986)
• Ensures reliable fuel delivery to engine
• Resistant to fuel, heat, and pressure
• OEM-style fit and performance
• Ideal for maintenance and restoration

Function and Purpose

This hose forms a vital part of the fuel system.

It helps to:

• Transport fuel safely from the tank to the engine
• Maintain consistent fuel pressure and flow
• Support engine performance and efficiency
• Prevent fuel leaks and pressure loss

Why Replace Your Fuel Hose

Fuel hoses degrade over time due to age, heat, and exposure to fuel.

Common issues include:

• Cracking or hardening of rubber
• Fuel leaks or seepage
• Reduced fuel pressure
• Increased risk of engine performance issues or fire hazards

Replacing the hose ensures safe and reliable fuel system operation.



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

92835607900
92835607900

The product you are viewing cross references to these numbers
92811036714/1
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Product Information

Fuel Feed Line 

High-quality replacement fuel feed line designed for Porsche 928 S2 models.

This hose is a critical component of the fuel system, delivering fuel from the supply circuit to the engine under controlled pressure. It ensures consistent fuel flow to the injection system, supporting optimal engine performance, responsiveness, and reliability.

Fits:

  • Porsche 928S2 4.7L 1985-86

Diagram ref no 8

Manufactured to OEM specifications, this fuel feed line offers precise fitment along with excellent resistance to fuel, heat, and pressure—making it ideal for maintenance, repair, or restoration of Porsche 928 V8 fuel systems.

Key Features

• Direct replacement fuel feed line
• Suitable for Porsche 928 S4, GT, and GTS models
• Ensures consistent fuel delivery to the engine
• Resistant to fuel, heat, and pressure
• OEM-style fit and performance
• Ideal for fuel system maintenance and restoration

Function and Purpose

This hose is a vital part of the fuel injection system.

It helps to:

• Deliver fuel from the supply line to the engine
• Maintain stable fuel pressure
• Ensure efficient fuel injection
• Support engine performance and reliability

Why Replace Your Fuel Feed Line

Fuel hoses degrade over time due to exposure to heat, pressure, and fuel.

Common issues include:

• Cracking or deterioration
• Fuel leaks or seepage
• Reduced fuel pressure
• Engine hesitation or poor performance

Replacing the hose restores safe and reliable fuel delivery.



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

92811036714
92811036714

The product you are viewing cross references to these numbers
92811036715/1
Product Information
Product Information

Fuel Feed Line 

High-quality replacement fuel feed line designed for Porsche 928 S4, 928 GT, and 928 GTS models.

This hose is a critical component of the fuel system, delivering fuel from the supply circuit to the engine under controlled pressure. It ensures consistent fuel flow to the injection system, supporting optimal engine performance, responsiveness, and reliability.

Fits:
Porsche 928S4 5.0L 1987-92
Porsche 928GT 5.0L 1989-91
Porsche 928GTS 5.4L 1992-95

Diagram ref no 8

Manufactured to OEM specifications, this fuel feed line offers precise fitment along with excellent resistance to fuel, heat, and pressure—making it ideal for maintenance, repair, or restoration of Porsche 928 V8 fuel systems.

Key Features

• Direct replacement fuel feed line
• Suitable for Porsche 928 S4, GT, and GTS models
• Ensures consistent fuel delivery to the engine
• Resistant to fuel, heat, and pressure
• OEM-style fit and performance
• Ideal for fuel system maintenance and restoration

Function and Purpose

This hose is a vital part of the fuel injection system.

It helps to:

• Deliver fuel from the supply line to the engine
• Maintain stable fuel pressure
• Ensure efficient fuel injection
• Support engine performance and reliability

Why Replace Your Fuel Feed Line

Fuel hoses degrade over time due to exposure to heat, pressure, and fuel.

Common issues include:

• Cracking or deterioration
• Fuel leaks or seepage
• Reduced fuel pressure
• Engine hesitation or poor performance

Replacing the hose restores safe and reliable fuel delivery.



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

92811036715
92811036715

The product you are viewing cross references to these numbers
92835603900/1
Product Information
Product Information

Fuel Feed Hose – Feed to Fuel Metering Head

High-quality replacement fuel feed hose designed for Porsche 928S models from 1978 to 1980.

This hose is a critical component of the fuel delivery system, transporting fuel from the tank to the engine. It ensures consistent fuel flow under pressure, supporting proper engine performance and reliability.

Fits:

  • Porsche 928 4.5L 1978-80
Up to Chassis numbers
>> 92-A0800 878
>> 92-A0820 538
>> 92-A0811 105

Diagram ref no 44

Manufactured to OEM specifications, this fuel hose offers precise fitment, durability, and resistance to fuel, heat, and pressure—making it ideal for maintenance, repair, or restoration of classic Porsche 928 models.

Key Features

• Direct replacement fuel feed hose
• Suitable for Porsche 928 (1978–1980)
• Ensures reliable fuel delivery to engine
• Resistant to fuel, heat, and pressure
• OEM-style fit and performance
• Ideal for maintenance and restoration

Function and Purpose

This hose forms a vital part of the fuel system.

It helps to:

• Transport fuel safely from the tank to the engine
• Maintain consistent fuel pressure and flow
• Support engine performance and efficiency
• Prevent fuel leaks and pressure loss

Why Replace Your Fuel Hose

Fuel hoses degrade over time due to age, heat, and exposure to fuel.

Common issues include:

• Cracking or hardening of rubber
• Fuel leaks or seepage
• Reduced fuel pressure
• Increased risk of engine performance issues or fire hazards

Replacing the hose ensures safe and reliable fuel system operation.



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

92835603900
92835603900

The product you are viewing cross references to these numbers
Special Order item
92835602913
Product Information
Product Information
Fuel line, feed.

porsche

Fits:
Porsche 928 S 1983-86 (engine code: 2843/44/45/46)
Porsche 928 1987-91

Click "Zoom in" for large parts diagram.
Diagram ref no. 22

Related reference numbers
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92835602913
92835602910
92835602912
92835602913

The product you are viewing cross references to these numbers
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92835603106
Product Information
Product Information
Fuel return line. 

Fits:
Porsche 928 1987-95 

Diagram ref. 23. 

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

92835603106
92835603105
92835603106

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92811035910
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Product Information
Fuel Return Line.


Fits:
Porsche 928 S4 / GT / GTS 1987-95

Diagram ref no 10A



Related reference numbers
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92811035910
92811035908
92811035910

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DISPLAYING 1 to 16 (of 25 products)
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About Fuel Lines & Breather Hoses

Fuel Lines & Breather Hoses – Reliable Fuel Flow and Ventilation for Porsche Engines

Fuel lines and breather hoses are essential for maintaining safe, consistent, and efficient operation of your Porsche’s fuel and vapour management systems. The fuel lines transport petrol from the tank to the engine, while breather hoses manage pressure and vapour circulation within the fuel system, ensuring smooth refuelling and balanced performance.

At Design911, we supply a complete range of fuel lines, connectors, and breather hoses designed for long-lasting performance, accurate fitment, and durability under high-pressure and high-temperature conditions. Built from fuel-resistant rubber, reinforced composites, or stainless steel, each component ensures secure sealing, corrosion resistance, and reliable fuel delivery for both classic and modern Porsche vehicles.

Whether you’re servicing a classic 911, restoring a transaxle Porsche, or maintaining a performance 992, our manufacturer-quality components guarantee safe, efficient, and leak-free operation.

What Do Fuel Lines and Breather Hoses Do?

Fuel lines and breather hoses play crucial roles in maintaining a balanced and efficient fuel system.

Core Functions:

  • Fuel Lines: Safely transport pressurised fuel from the tank to the injectors or carburetors.
  • Breather Hoses: Equalise air pressure within the tank and prevent vapour lock or vacuum formation.
  • Vapour Management: Direct excess vapours back into the intake or carbon canister for emissions control.
  • System Integrity: Maintain proper sealing to avoid leaks, fumes, and performance loss.

A reliable fuel line and breather hose system is essential for optimal fuel delivery, safety, and emissions control.

Why Do Fuel Lines and Breather Hoses Fail?

Over time, these components are exposed to heat, vibration, and corrosive fuels, causing them to deteriorate.

Common Causes of Failure Include:

  • Cracking, hardening, or swelling due to ethanol-based fuels.
  • Internal corrosion or blockage from fuel contamination.
  • Age-related brittleness in rubber or plastic hoses.
  • Loose or leaking fittings reducing system pressure.       
  • External damage from abrasion or heat exposure.

When these parts fail, you may notice fuel odours, leaks, poor idling, or difficulty refuelling — all signs your Porsche’s fuel system needs attention.

Why Replace Fuel Lines and Hoses?

Replacing ageing or damaged lines and hoses ensures safe, efficient fuel flow and helps prevent leaks, vapour loss, and performance issues. Our precision-fit fuel lines and breather hoses are engineered to restore reliability while meeting modern material and performance standards.

Key Benefits:
  • Restores proper fuel flow and vapour control.
  • Prevents fuel leaks, odours, and emissions faults.
  • Improves safety and engine performance.
  • Constructed from modern, fuel-resistant materials.
  • Direct-fit installation for Porsche models across all generations.
  • Ideal for maintenance, restoration, and upgrades.

Proper maintenance ensures your Porsche’s fuel system remains clean, safe, and efficient — exactly as its performance heritage demands.

Highlights:
  • Comprehensive selection of Porsche fuel lines and breather hoses.
  • Precision-engineered for accurate fit and durability.
  • Resistant to ethanol, heat, and corrosion.
  • Supports stable fuel pressure and emissions control.
  • Compatible with classic and modern Porsche models.
  • Ideal for rebuilds, performance tuning, and preventive maintenance.

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