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Fuel Lines & Breather Hoses

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DISPLAYING 1 to 13 (of 13 products)
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
Related, superseded, cross reference or alternative numbers for comparison.

PCG020359A
N0203591
PCG020359A

The product you are viewing cross references to these numbers
Special Order item
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

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Related, superseded, cross reference or alternative numbers for comparison.

90017600102
90012311530
92811023500
92811018904
92860510300

The product you are viewing cross references to these numbers
92835603700/1
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Product Information

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

The product you are viewing cross references to these numbers
92835608100/1
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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
92835603900/1
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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
477209169
Product Information
Product Information

Fuel & Gearbox Oil Pipe Connector – M16 
Sold each

High-quality M16 pipe connector designed for use in Porsche fuel and gearbox oil systems across multiple models including 924, 944, 928, and 964.

This connector provides a secure and reliable connection between pipework within both fuel delivery and transmission lubrication systems. Engineered to handle pressure, temperature, and fluid exposure, it ensures leak-free performance and long-term durability in demanding environments.

Fits:

Diagram ref no 27

This M16 connector delivers precise fitment and dependable sealing, making it ideal for maintenance, repair, or restoration projects.

Key Features

• M16 pipe connector for fuel and gearbox oil systems
• Suitable for Porsche 924, 944, 928, and 964
• Ensures secure, leak-free pipe connections
• Designed for fuel and transmission oil applications
• OEM-style fit and performance
• Durable construction for long-term reliability

Function and Purpose

This connector is an essential link within fuel and transmission systems.

It helps to:

• Join pipework securely under pressure
• Maintain proper sealing of fuel and oil circuits
• Prevent leaks and fluid loss
• Support reliable system performance

Why Replace Pipe Connectors

Over time, connectors can wear due to heat, vibration, and fluid exposure.

Common issues include:

• Thread wear or damage
• Oil or fuel leaks
• Poor sealing between connections
• Reduced system reliability

Replacing connectors ensures safe and efficient operation of both fuel and gearbox systems.



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

477209169
477209169

The product you are viewing cross references to these numbers
477209169/1
Product Information
Product Information

Fuel & Gearbox Oil Pipe Connector – M16 
Sold each

High-quality M16 pipe connector designed for use in Porsche fuel and gearbox oil systems across multiple models including 924, 944, 928, and 964.

This connector provides a secure and reliable connection between pipework within both fuel delivery and transmission lubrication systems. Engineered to handle pressure, temperature, and fluid exposure, it ensures leak-free performance and long-term durability in demanding environments.

Fits:

Diagram ref no 27

This M16 connector delivers precise fitment and dependable sealing, making it ideal for maintenance, repair, or restoration projects.

Key Features

• M16 pipe connector for fuel and gearbox oil systems
• Suitable for Porsche 924, 944, 928, and 964
• Ensures secure, leak-free pipe connections
• Designed for fuel and transmission oil applications
• OEM-style fit and performance
• Durable construction for long-term reliability

Function and Purpose

This connector is an essential link within fuel and transmission systems.

It helps to:

• Join pipework securely under pressure
• Maintain proper sealing of fuel and oil circuits
• Prevent leaks and fluid loss
• Support reliable system performance

Why Replace Pipe Connectors

Over time, connectors can wear due to heat, vibration, and fluid exposure.

Common issues include:

• Thread wear or damage
• Oil or fuel leaks
• Poor sealing between connections
• Reduced system reliability

Replacing connectors ensures safe and efficient operation of both fuel and gearbox systems.



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

477209169
477209169

The product you are viewing cross references to these numbers
Special Order item
92820121902
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Plastic Y-piece for the fuel tank ventilation system—connects to a rubber hose from the charcoal canister.

Fits:
Porsche 928 1978-82 - US, Canada & Japan Only
Porsche 928 1983-95 - All Markets

Diagram ref. 15.

Related reference numbers
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92820121902
92820121902

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Special Order item
90135192712
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Hose clip fuel line A9 x 18
Bleed nipple cap for brake caliper and clutch slave cylinder

porsche

Fits:
Porsche 356B
Porsche 911 - 1965 to 1989
Porsche 964 - 1989 to 1994
Porsche 993 - 1994 to 1998
Porsche 944 - 1982 to 1989
Porsche 928 - 1978 to 1990

Click 'Zoom in' for large parts diagram.
Diagram ref no 15

Related reference numbers
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90135192712
90135192712
90135192710
69535152500
99970337240

The product you are viewing cross references to these numbers
Special Order item
90038400601
Product Information
Product Information
Tapping screw B4,8 x 13 - Multiple applications

porsche

Fits:
Porsche 911 - 1970 to 1989
Porsche 964 - 1989 to 1994
Porsche 993 - 1994 to 1997
Porsche 928 - 1983 to 1995



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90038400601
90038400601
90018710402
90018710401

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92835655101
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Product Information
Underbody fuel line mount / rubber isolator. 

Fits:
Porsche 928 1983-95 

Diagram ref. 25.

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92835655101
92835655101

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DISPLAYING 1 to 13 (of 13 products)
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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