Fuel Lines & Breather Hoses

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       

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Related, superseded, cross reference or alternative numbers for comparison.

477209093A

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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 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.

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477209093

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Hose clip fuel pipe - 17x9mm
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Fits:
Porsche 911 - 1974 to 1983
Porsche 964 - 1989 to 1994
Porsche 993 - 1994 to 1997
Porsche 924 - 1980 to 1985
Porsche 944 - 1982 to 1985
Porsche 968 - 1992 to 1995

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


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PCG51219802

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M12 Banjo Bolt – Various applications
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M12 banjo bolt  designed for multiple applications across Porsche models including the 911, 964, 993, 924, and 928.

Fits:

• Porsche 911 1975-1977 3.0L Turbo (930)
• Porsche 911 1978-1989 3.3L Turbo (930)
• Porsche 964 (911) C2 1989-93
• Porsche 964 (911) C4 1989-93
• Porsche 964 (911) RS 3.6L 1991-93
• Porsche 964 (911) RS 3.8L 1991-93
• Porsche 964 (911) TURBO 3.3L 1991-93
• Porsche 964 (911) TURBO 3.6L 1991-93
• Porsche 993 (911) C2 1994-97
• Porsche 993 (911) C4 1994-97
• Porsche 993 (911) RS 1994-97
• Porsche 993 (911) C2S 1994-97
• Porsche 993 (911) C4S 1994-97
• Porsche 993 (911) TURBO 1994-96
• Porsche 993 (911) GT2 1994-97
• Porsche 993 (911) TURBO S 1994-97
• 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 928 4.5L 1978-82

Diagram ref no 39 

This versatile banjo bolt is used to secure banjo fittings on wastegates, fuel pipes, gearbox oil pipes and power steering systems, ensuring a strong and leak-free connection under pressure. It is particularly important in turbocharged applications where reliable sealing is critical for maintaining correct oil and fuel flow.

Manufactured to OEM specifications, this bolt delivers precise fitment and dependable sealing performance across multiple systems, making it ideal for maintenance, repair, or restoration of Porsche vehicles.

Key Features

• M12 banjo bolt for multiple Porsche applications
• Suitable for wastegate, fuel pipes, and power steering systems
• Compatible with 911, 964, 993, 924, and 928 models
• Designed for high-pressure fluid systems
• Ensures secure, leak-free connections
• OEM-style fit and specification
• Durable construction for long-term reliability

Function and Purpose

This banjo bolt is a critical fastening component used across several systems.

It helps to:
• Secure banjo fittings to wastegate oil lines
• Connect fuel pipes within the fuel delivery system
• Fasten power steering fluid lines
• Maintain proper sealing under pressure
• Ensure consistent fluid flow and system performance

Why Replace Banjo Bolts

Over time, banjo bolts can wear or degrade due to pressure, heat, and fluid exposure.

Common issues include:
• Oil or fuel leaks at connection points
• Thread wear or damage
• Corrosion over time
• Reduced sealing performance

Replacing worn bolts ensures safe operation and maintains system integrity across multiple vehicle systems.

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

90017502001

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M12 Banjo Bolt – Various applications
Sold each

M12 banjo bolt  designed for multiple applications across Porsche models including the 911, 964, 993, 924, and 928.

Fits:

• Porsche 911 1975-1977 3.0L Turbo (930)
• Porsche 911 1978-1989 3.3L Turbo (930)
• Porsche 964 (911) C2 1989-93
• Porsche 964 (911) C4 1989-93
• Porsche 964 (911) RS 3.6L 1991-93
• Porsche 964 (911) RS 3.8L 1991-93
• Porsche 964 (911) TURBO 3.3L 1991-93
• Porsche 964 (911) TURBO 3.6L 1991-93
• Porsche 993 (911) C2 1994-97
• Porsche 993 (911) C4 1994-97
• Porsche 993 (911) RS 1994-97
• Porsche 993 (911) C2S 1994-97
• Porsche 993 (911) C4S 1994-97
• Porsche 993 (911) TURBO 1994-96
• Porsche 993 (911) GT2 1994-97
• Porsche 993 (911) TURBO S 1994-97
• 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 928 4.5L 1978-82

Diagram ref no 39 

This versatile banjo bolt is used to secure banjo fittings on wastegates, fuel pipes, gearbox oil pipes and power steering systems, ensuring a strong and leak-free connection under pressure. It is particularly important in turbocharged applications where reliable sealing is critical for maintaining correct oil and fuel flow.

Manufactured to OEM specifications, this bolt delivers precise fitment and dependable sealing performance across multiple systems, making it ideal for maintenance, repair, or restoration of Porsche vehicles.

Key Features

• M12 banjo bolt for multiple Porsche applications
• Suitable for wastegate, fuel pipes, and power steering systems
• Compatible with 911, 964, 993, 924, and 928 models
• Designed for high-pressure fluid systems
• Ensures secure, leak-free connections
• OEM-style fit and specification
• Durable construction for long-term reliability

Function and Purpose

This banjo bolt is a critical fastening component used across several systems.

It helps to:
• Secure banjo fittings to wastegate oil lines
• Connect fuel pipes within the fuel delivery system
• Fasten power steering fluid lines
• Maintain proper sealing under pressure
• Ensure consistent fluid flow and system performance

Why Replace Banjo Bolts

Over time, banjo bolts can wear or degrade due to pressure, heat, and fluid exposure.

Common issues include:
• Oil or fuel leaks at connection points
• Thread wear or damage
• Corrosion over time
• Reduced sealing performance

Replacing worn bolts ensures safe operation and maintains system integrity across multiple vehicle systems.

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

90017502001

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Fuel & Gearbox Oil Pipe Connector – M16 
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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

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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

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