Fuel Lines & Breather Hoses

Fuel Hose - 9.5 x 15.5mm
Sold per metre

High-quality fuel hose 9.5 x 15.5mm designed for Porsche 924, 944, 968, and 928 models, supplied per metre for flexible installation and precise fitment.

This hose is engineered for safe and reliable fuel transfer within the fuel system, providing consistent flow between key components such as fuel pumps, filters, and injectors. Built to withstand fuel exposure and engine bay conditions, it ensures long-term durability and performance.

Fits:

• 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 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
• Porsche 968 3.0L 1992-94
• Porsche 968 Sport 3.0L 1994-95
• Porsche 968 CS 3.0L 1993-95
• Porsche 968 Turbo S 3.0L 1993-94
• 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

Sold per metre, this hose allows you to cut to the exact length required, making it ideal for maintenance, repair, or restoration of Porsche fuel systems.

Key Features

• 9.5mm internal diameter, 15.5mm outer diameter
• Suitable for Porsche 924, 944, 968, and 928
• Designed for fuel system applications
• Sold per metre for custom lengths
• Resistant to fuel and engine bay heat
• Flexible and durable construction
• OEM-style specification and performance

Function and Purpose

This fuel hose is a vital component of the fuel delivery system.

It helps to:
• Transport fuel safely between system 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

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

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 performance.

Related reference numbers
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99918171650

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Porsche 924 Fuel Hose - Accumulator to Fuel Line

Accurate Fuel Delivery and System Reliability

The fuel hose from the accumulator to the fuel line is an essential part of the Porsche 924 fuel delivery system. It connects the fuel accumulator to the main fuel line, allowing pressurised fuel to flow consistently under varying engine demands.

Fits:

• Porsche 924 2.0L 1979-85
• 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

From Chassis Numbers
9249103158>>
9249400051>>

Diagram Ref No 14

This hose plays a crucial role in maintaining correct fuel pressure, stabilising fuel delivery and preventing fuel leaks.

What This Fuel Hose Does

In the Porsche 924, the fuel system includes a fuel accumulator that smooths pressure fluctuations and ensures steady fuel supply, especially at idle and under load. This hose connects the accumulator to the main fuel line and:

• Maintains sealed fuel transfer under pressure
• Allows the fuel accumulator to do its pressure-stabilising function
• Prevents fuel spray and loss under engine vibration
• Helps maintain consistent fuel pressure to injectors

Without a reliable accumulator-to-fuel-line hose, the fuel system cannot sustain proper pressure. That affects engine performance, idle quality and efficiency.

Why Fuel Hoses Fail

Fuel hoses are exposed to harsh conditions over time including constant fuel contact, heat cycling, vibration and environmental contamination. Common reasons this fuel hose fails include:

• Rubber hardening and cracking with age
• Fuel permeation that degrades inner hose layers
• Exposure to heat from the engine bay
• Swelling or softening from prolonged fuel contact
• Chafing or abrasion against surrounding components

As the hose ages, it can develop leaks, bulges or internal collapse, impairing fuel flow and pressure.

When You Should Replace This Fuel Hose

You should consider replacing the fuel hose if you observe any of the following:

• Visible cracks, splits or bulges in the hose
• Fuel smell while the engine is running or parked
• Fuel leaks under the vehicle around the fuel rail or accumulator
• Poor idle quality, hesitation or stalling
• Fuel pressure loss or drop under load 
• Regular maintenance on original or aged fuel system components

Because fuel leaks pose both performance and safety risks, replacing this hose is essential when deterioration is evident or if it has never been renewed on an older Porsche 924.

Quality Fuel System Parts from Design911

At Design911, we supply genuine and high-quality replacement hoses for Porsche fuel systems. The accumulator to fuel line hose is engineered to match OE specifications and restore reliable fuel delivery.

Using a correct fuel hose ensures:

• Safe, sealed fuel transfer
• Stable fuel pressure under all driving conditions
• Reduced risk of fire or fuel spray
• Improved engine smoothness and responsiveness       

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477209047B

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Fuel Feed Hose – Solid Fuel Line to Fuel Filter and Pressure Accumulator to Solid Line
Sold each - 2 required per cr

High-quality replacement fuel feed hose designed for early Porsche 924 models from 1976 to 1979.

This hose connects the solid fuel line to the fuel filter, forming a critical part of the fuel delivery system. It ensures a secure and consistent transfer of fuel under pressure, allowing proper filtration before fuel reaches the engine.

Fits:

• Porsche 924 2.0L 1976-79       

Diagram ref no 25

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 classic Porsche 924 models.

Key Features

• Direct replacement fuel feed hose (line to filter)
• Suitable for Porsche 924 (1976–1979)
• Ensures reliable fuel delivery to the filter
• Resistant to fuel, heat, and pressure
• OEM-style fit and performance
• Ideal for maintenance and classic restoration

Function and Purpose

This hose is an essential component of the fuel system.

It helps to:

• Transfer fuel from the solid line to the fuel filter
• Ensure proper fuel filtration before engine delivery
• Maintain stable fuel pressure and flow
• Support efficient engine operation

Why Replace Your Fuel Hose

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

Common issues include:

• Cracking or hardening of rubber
• Fuel leaks or seepage
• Reduced fuel flow or pressure
• Increased risk of fuel system failure

Replacing the hose restores safe and reliable fuel delivery.

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477209075A

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Porsche 924 Fuel Hose - Fuel Line to Fuel Filter

Critical Fuel Delivery Hose for Porsche 924

The fuel hose from the fuel line to the fuel filter is an integral component of the Porsche 924 fuel delivery system. It connects the engine’s main fuel line to the fuel filter, ensuring a clean, continuous flow of fuel to the engine.

This hose maintains sealed fuel transfer and helps protect the fuel system from premature wear, contamination and pressure loss.

Fits:

• Porsche 924 2.0L 1979-85
• 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

From Chassis Numbers
9249103158>>
9249400051>>

Diagram Ref No 38

What This Fuel Hose Does

In the Porsche 924, fuel flows from the tank through the main fuel line and then to the fuel filter. The fuel filter removes debris and contaminants before the fuel continues on to the fuel pump and injectors.

This hose serves to:

• Connect the fuel line to the fuel filter securely
• Maintain sealed fuel transmission under pressure
• Support consistent fuel flow to the filter
• Prevent fuel leaks that can cause performance issues and safety hazards

Without a properly sealing hose between the fuel line and fuel filter, fuel delivery can be disrupted, leading to poor engine performance and potential system failure.

Why Fuel Hoses Fail

Fuel hoses are constantly exposed to harsh operating conditions, including fuel contact, heat, vibration and movement. Common reasons this fuel hose fails include:

• Rubber hardening and cracking due to age and heat cycling
• Fuel permeation that weakens hose integrity
• Swelling or softening from prolonged contact with fuel
• Abrasion or chafing against nearby components
• Environmental exposure and chemical degradation

Over time, these factors can cause the hose to crack, split or collapse internally, reducing fuel flow and increasing the risk of fuel leaks.

When You Should Replace This Fuel Hose

You should consider replacing this fuel line to fuel filter hose if you notice any of the following:

• Visible cracks, splits or deformation in the hose
• Fuel smell around the engine or along the fuel line
• Fuel leaks near the hose, filter or fuel line connections
• Poor engine performance such as hesitation or misfire
• Fuel pressure loss on acceleration or idle
• Original hose has never been replaced on an older Porsche 924

Replacing this hose proactively during maintenance avoids fuel supply interruption and eliminates a common source of fuel leaks.

Quality Fuel System Parts from Design911

At Design911, we supply high-quality replacement fuel hoses engineered to meet OEM specifications. The fuel line to fuel filter hose is designed to restore reliable fuel delivery and help maintain safe, leak-free operation.

Using a correct fuel hose ensures:

• Stable fuel flow throughout the system
• Reduced risk of leaks and fuel pressure loss
• Improved engine smoothness and responsiveness
• Safer fuel system performance under all driving conditions

 
Key Benefits at a Glance

• OEM-spec fuel hose for Porsche 924
• Connects fuel line to fuel filter securely
• Maintains consistent fuel flow
• Reduces risk of leaks and pressure loss
• Ideal for repair, maintenance or restoration
• Engine performance and safety improvement       

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477209047A

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Porsche 924 Fuel Hose - Fuel Pump to Fuel Accumulator

Essential Fuel System Hose for Porsche 924

The fuel hose from the fuel pump to the fuel accumulator is a vital component of the Porsche 924 fuel delivery system. It connects the output of the fuel pump to the fuel accumulator, ensuring stable fuel pressure and smooth delivery to the rest of the fuel system.

This hose plays a key role in maintaining proper fuel pressure, preventing fuel leaks and avoiding fuel starvation under varied driving conditions.

Fits:

• Porsche 924 2.0L 1979-85
• 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

From Chassis Numbers
9249103158>>
9249400051>>

Diagram Ref No 10

What This Fuel Hose Does

In the Porsche 924, the fuel pump draws fuel from the tank and sends it toward the engine. Before entering the main fuel line and accumulator, the fuel must travel through a dedicated hose that connects the pump to the accumulator.

The fuel pump to accumulator hose performs the following functions:

• Transfers pressurised fuel from the pump to the accumulator
• Supports stable fuel pressure throughout the system
• Prevents fuel leakage at the connection point
• Enables the accumulator to smooth pressure fluctuations
• Ensures consistent fuel delivery under engine load

Without a properly functioning hose in this position, fuel pressure can drop, leading to engine performance issues and potential stalling.

Why Fuel Hoses Fail

Fuel hoses are exposed to constant fuel contact, heat and vibration. Over time, these stresses can cause the hose to deteriorate. Common failure causes include:

• Rubber hardening and cracking from age and heat cycling
• Fuel permeation that weakens internal hose structure
• Swelling or softening due to prolonged fuel exposure
• Vibration or chafing against surrounding components
• Environmental degradation or contamination

When fuel hoses degrade, they can split, bulge or collapse internally, disrupting fuel flow and compromising fuel pressure.

When You Should Replace This Fuel Hose

You should replace the fuel pump to accumulator hose if you see any of the following symptoms:

• Visible cracks, splits or deformation in the hose material
• Fuel smell around the fuel pump or under the vehicle
• Fuel leaks at the hose or connection points
• Engine hesitation, stumbling or rough running under load
• Loss of fuel pressure during acceleration or idle
• Old or original hose showing age on a high-mileage Porsche 924

Replacing the hose proactively as part of routine fuel system maintenance can prevent sudden fuel pressure loss and avoid damage to other fuel system components.

Quality Fuel System Parts from Design911

At Design911, we supply high-quality replacement fuel hoses engineered to meet or exceed OEM standards. The fuel pump to accumulator hose is designed to restore reliable fuel transfer and preserve stable fuel pressure in the Porsche 924.

Using a correct and durable fuel hose ensures:

• Safe and sealed fuel delivery
• Consistent performance under all driving conditions
• Reduced risk of leaks and fuel pressure drops
• Increased reliability of the fuel system

Key Benefits at a Glance

• OEM-spec fuel pump to accumulator hose for Porsche 924
• Maintains stable fuel pressure and delivery
• Reduces risk of leaks and performance issues
• Ideal for fuel system service and routine maintenance
• Supports safe and reliable engine operation       

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477209093A

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Fuel hose, return.



Fits:
Porsche 924 1976-75 (not for Turbo / GT)
F 92-47100 288>>
F 92-49103 158>>
F 92-49400 051>>

Porsche 924 S 1986-88
Porsche 944 1982-1985

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

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PCG209071C

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Fuel Return Hose

High-quality replacement fuel return hose designed for Porsche 924, 924S, and 944 models.

This hose is a key component of the fuel system, responsible for returning excess fuel from the engine back to the fuel tank. By maintaining proper circulation and pressure balance, it ensures efficient fuel delivery and stable engine performance.

Fits:

• Porsche 924 2.0L 1976-79

from Chassis number
F 92-47100 288>>
F 92-49103 158>>
F 92-49400 051>>

• Porsche 924 2.0L 1980-85
• Porsche 924S 2.5L 1986-87
• Porsche 924S 2.5L 1988
• Porsche 944 2.5L 8V 1982-87

Diagram ref no 22

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

Key Features

• Direct replacement fuel return hose
• Suitable for Porsche 924, 924S, and 944
• Maintains proper fuel circulation and pressure balance
• Resistant to fuel, heat, and pressure
• OEM-style fit and performance
• Ideal for fuel system maintenance and restoration

Function and Purpose

This hose is an essential part of the fuel injection system.

It helps to:

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

Why Replace Your Fuel Return Hose

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

Common issues include:

• Cracking or hardening of rubber
• Fuel leaks or seepage
• Pressure imbalance within the system
• Reduced engine performance or drivability

Replacing the hose restores safe and reliable fuel system operation.

Related reference numbers
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PCG209071C

The product you are viewing cross references to these numbers

Fuel Hose Fuel pump to In-tank pump.

Fits:
Porsche 924 1976-85

Click 'Zoom in' for large parts diagram.
Diagram ref no. 2

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477209199D

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Fuel hose.

Fits:
Porsche 924S 1986-88
Porsche 944 1982-85

Diagram ref no 9

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94435604804

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Fuel Hose – Fuel Filter to Solid Fuel Pipes 

High-quality replacement fuel hose designed for Porsche 924S and 944 models.

This hose connects the fuel filter to the solid (hard) fuel lines, forming a critical link within the fuel delivery system. It ensures a secure and consistent transfer of fuel under pressure, supporting proper engine performance and reliability.

Fits:

• Porsche 924S 2.5L 1986-87
• Porsche 924S 2.5L 1988
• Porsche 944 2.5L 8V 1982-85

Diagram ref no 15

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

Key Features

• Direct replacement fuel hose (filter to hard line)
• Suitable for Porsche 924S and 944 models
• Ensures reliable fuel transfer from filter to fuel lines
• Resistant to fuel, heat, and pressure
• OEM-style fit and performance
• Ideal for fuel system maintenance and restoration

Function and Purpose

This hose is an essential component of the fuel system.

It helps to:

• Transfer filtered fuel to the solid fuel pipes
• Maintain stable fuel pressure and flow
• Ensure safe and efficient fuel delivery
• Support overall engine performance

Why Replace Your Fuel Hose

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

Common issues include:

• Cracking or hardening of rubber
• Fuel leaks or seepage
• Poor fuel pressure or flow
• Increased risk of fuel system failure

Replacing the hose restores safe and reliable operation.

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

94435604804

The product you are viewing cross references to these numbers

Fuel hose.

Fits:
Porsche 924 1976-79
Porsche 924S 1986-88
Porsche 944 1982-85

Click 'Zoom in' for large parts diagram.
Diagram ref no 26

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94435655701

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Fuel line - runs from the fuel rail to the diaphragm damper. 

Fits:
Porsche 924 S 2.5L 1986-88

Porsche 944-2 2.5L 1985-88
Porsche 944 2.7L 1989 

Porsche 944 Turbo 2.5L 1986-91
Porsche 944 Turbo S 2.5L 1988 

Diagram ref. 11. 

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94411041303

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Fuel Line Rubber Mounting.


Fits:
Porsche 924S 1986-88
Porsche 944 / 944 S / Turbo 1985-87
Porsche 944 S2 / Turbo / Turbo S 1989-91 COUPE
Porsche 968 1992-95 COUPE

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

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99959197540

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Fuel Line with 10mm Eyelet 

High-quality replacement fuel line designed for early Porsche 924 models from 1976 to 1977, featuring a 10mm eyelet connection.

This fuel hose is a key component within the fuel system, providing a secure and reliable connection between fuel system components. The integrated 10mm eyelet ensures proper fitment and sealing, maintaining consistent fuel flow and system integrity.

Fits:

• Porsche 924 2.0L 1976-77 (up to Chassis number 92-47100713)

Diagram ref no 32

Manufactured to OEM specifications, this fuel line offers precise fitment along with excellent resistance to fuel, heat, and pressure—making it ideal for maintenance, repair, or restoration of classic Porsche 924 models.

Key Features

• Direct replacement fuel line with 10mm eyelet
• Suitable for Porsche 924 (1976–1977)
• Secure eyelet connection for reliable fitment
• Resistant to fuel, heat, and pressure
• OEM-style fit and performance
• Ideal for classic Porsche maintenance and restoration

Function and Purpose

This fuel line is an essential part of the fuel system.

It helps to:

• Provide a secure connection between fuel system components
• Maintain consistent fuel flow under pressure
• Ensure proper sealing at connection points
• Support safe and efficient engine operation

Why Replace Your Fuel Line

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

Common issues include:

• Cracking or hardening of hose material
• Leaks at connection points
• Reduced fuel flow efficiency
• Increased risk of fuel system failure

Replacing the fuel line restores system integrity and reliability.

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477209241

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Fuel Line with 10mm Eyelet 

High-quality replacement fuel line designed for early Porsche 924 models from 1977 to 1979, featuring a 12mm eyelet connection.

This fuel hose is a key component within the fuel system, providing a secure and reliable connection between fuel system components. The integrated 10mm eyelet ensures proper fitment and sealing, maintaining consistent fuel flow and system integrity.

Fits:

• Porsche 924 2.0L 1977-79 (from  Chassis number 92-47100714)

Diagram ref no 32

Manufactured to OEM specifications, this fuel line offers precise fitment along with excellent resistance to fuel, heat, and pressure—making it ideal for maintenance, repair, or restoration of classic Porsche 924 models.

Key Features

• Direct replacement fuel line with 12mm eyelet
• Suitable for Porsche 924 (1977–1979)
• Secure eyelet connection for reliable fitment
• Resistant to fuel, heat, and pressure
• OEM-style fit and performance
• Ideal for classic Porsche maintenance and restoration

Function and Purpose

This fuel line is an essential part of the fuel system.

It helps to:

• Provide a secure connection between fuel system components
• Maintain consistent fuel flow under pressure
• Ensure proper sealing at connection points
• Support safe and efficient engine operation

Why Replace Your Fuel Line

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

Common issues include:

• Cracking or hardening of hose material
• Leaks at connection points
• Reduced fuel flow efficiency
• Increased risk of fuel system failure

Replacing the fuel line restores system integrity and reliability.

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477209241A

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Fuel Line

High-quality replacement fuel hoses designed for Porsche 924 models.

These hoses are essential components within the fuel system, ensuring secure and consistent fuel delivery between key fuel system components. Designed to handle fuel pressure and temperature variations, they play a critical role in maintaining engine performance and system reliability.

Fits:

• 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

Diagram ref no 10A

Manufactured to OEM specifications, these fuel hoses provide precise fitment along with excellent resistance to fuel, heat, and pressure—making them ideal for maintenance, repair, or restoration of classic Porsche 924 models.

Key Features

• Direct replacement fuel hoses
• Suitable for Porsche 924 models
• Designed for reliable fuel transfer within the system
• Resistant to fuel, heat, and pressure
• OEM-style fit and performance
• Ideal for maintenance and restoration

Function and Purpose

These hoses are vital components of the fuel system.

They help to:

• Ensure secure fuel transfer between system components
• Maintain consistent fuel pressure and flow
• Prevent leaks and fuel loss
• Support efficient engine operation

Why Replace Your Fuel Hoses

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

Common issues include:

• Cracking or hardening of rubber
• Fuel leaks or seepage
• Reduced fuel flow efficiency
• Increased risk of fuel system failure

Replacing ageing hoses restores safe and reliable fuel system performance.

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

477209093

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