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Fuel Lines & Breather Hoses

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DISPLAYING 33 to 44 (of 44 products)
1 2 3
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94435604114
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Fuel pump to fuel filter hose

porsche

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

Click 'Zoom in' for large parts diagram.
Diagram ref no 12

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Related, superseded, cross reference or alternative numbers for comparison.

94435604114
94435604112
94435604107
94435604114

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94435604114/1
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Porsche 924S & 944 Fuel Hose - Fuel Pump to Fuel Filter

Reliable Fuel Delivery for Classic Transaxle Porsche Models

The fuel hose from the fuel pump to the fuel filter is a critical component of the Porsche 924S and 944 fuel system. This hose transfers pressurised fuel directly from the fuel pump to the fuel filter, ensuring clean and consistent fuel supply to the engine.

Maintaining the integrity of this hose is essential for stable fuel pressure, smooth engine operation and overall vehicle safety.

Fits:

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

Diagram ref no 12

What This Fuel Hose Does

In the Porsche 924S and 944 fuel system, fuel is drawn from the tank by the electric fuel pump and pushed through a dedicated hose into the fuel filter. The fuel filter removes contaminants before fuel continues to the rail and injectors.

The fuel pump to filter hose is responsible for:

  • Carrying pressurised fuel safely from pump to filter
  • Maintaining consistent fuel pressure under load
  • Preventing leaks in a high-pressure section of the system
  • Supporting smooth engine idle and acceleration

If this hose fails, fuel delivery can become inconsistent or unsafe.

Why Fuel Hoses Fail on 924S and 944 Models

Fuel hoses on classic Porsche transaxle cars are often original or decades old. Over time, exposure to heat, vibration and modern ethanol-blended fuels can cause deterioration.

Common failure causes include:

  • Age-related rubber hardening and cracking
  • Internal breakdown from fuel permeation
  • Swelling caused by ethanol content in modern fuels
  • Heat cycling in the engine bay
  • Abrasion against surrounding components

Because this hose operates under pressure, even minor cracks or weakness can result in leaks or pressure loss.

When You Should Replace This Fuel Hose

You should replace the fuel pump to fuel filter hose if you notice:

  • Visible cracks, splits or softness in the hose
  • Fuel smell near the rear or underside of the vehicle
  • Dampness or seepage around hose connections
  • Hesitation or stumbling under acceleration
  • Poor fuel pressure readings
  • The hose appears original or aged on a classic 924S or 944

Preventative replacement is strongly recommended during fuel pump or fuel filter service, especially on vehicles over 20 years old.

Replacing this hose helps prevent fuel leaks, improves engine reliability and protects against potential fire risk.

Quality Porsche Fuel System Parts from Design911

At Design911, we supply high-quality replacement fuel hoses designed to meet OEM standards for classic Porsche models. This fuel hose ensures correct fitment, proper pressure handling and long-term durability.

Using the correct specification hose protects your fuel system, improves reliability and maintains safe vehicle operation.

Key Benefits at a Glance

  • Direct replacement for Porsche part 94435604112
  • Connects fuel pump to fuel filter securely
  • Maintains stable fuel pressure
  • Reduces risk of leaks and fuel system failure
  • Suitable for Porsche 924S and 944
  • Ideal for maintenance, restoration and preventative repair       



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

94435604114
94435604112
94435604107
94435604114

The product you are viewing cross references to these numbers
951356XLKIT
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Product Information

Porsche 944 / 924S High-Pressure Fuel Hose XL – Safety Upgrade

Prevent Fuel Leaks and Reduce Engine Bay Fire Risk

One of the most common causes of engine bay fires in the Porsche 944 is failure of the main high-pressure fuel line. Over time, the original hose ages, hardens and develops cracks. When this line leaks, fuel can drip directly onto the hot exhaust manifold, creating a serious fire hazard.

Fits:

  • Porsche 924S 2.5L 1986-87
  • Porsche 924S 2.5L 1988
  • 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

This upgraded XL high-pressure fuel hose is designed to eliminate that risk by improving routing and adding additional heat protection.

What the Main Fuel Hose Does

The main high-pressure fuel hose delivers pressurised fuel from the fuel rail and fuel system to the engine. It operates under constant pressure and high temperatures inside the engine bay.

Its function is critical to:

  • Supplying consistent fuel pressure
  • Maintaining proper engine performance
  • Ensuring safe fuel delivery under load

Because this hose sits near the exhaust system in factory configuration, deterioration can quickly become dangerous.

Why Original Fuel Hoses Fail

Over decades of use, factory fuel hoses commonly suffer from:

  • Age-related rubber cracking
  • Heat exposure from the exhaust manifold
  • Ethanol content in modern fuels
  • Internal degradation under pressure
  • Sudden splitting without warning

Fuel leakage can happen unexpectedly and escalate quickly.

Why You Should Upgrade to the XL Version

This XL high-pressure fuel hose has been redesigned for improved safety and longevity.

Key advantages include:

  • Extra length to reroute the hose along the top of the bulkhead
  • Avoids running directly over the hot exhaust
  • Black heat-resistant outer sheath for added protection
  • Improved routing reduces stress on fuel rail connections
  • Helps prevent cracking at fuel rail fittings

By routing the hose away from the exhaust and securing it along the bulkhead, the risk of fuel contacting high heat components is significantly reduced.

In early models and 924S variants, the extended length allows cleaner routing under the spray piece, improving both appearance and reliability.

A vehicle lift is required for installation.

When You Should Replace Your Fuel Line

You should replace the main fuel hose if:

  • The original line has never been replaced
  • You notice fuel smell in the engine bay
  • The hose shows cracking or brittleness
  • You are restoring or maintaining a classic 944 or 924S
  • You want preventative fire protection

Eventually, every original hose will require replacement. Upgrading now protects both your vehicle and your investment.

Key Benefits at a Glance

  • Direct replacement high-pressure fuel hose
  • Extra-long design for safer routing
  • Avoids contact with hot exhaust components
  • Heat-resistant outer protective sheath
  • Suitable for all 944 years and 924S
  • Helps prevent fuel rail connection cracking
  • Ideal preventative safety upgrade       



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

951356XLKIT
95135691903
95135691904
95135691703
95135691704
94435602714
94435602717
94435602912

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M141
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Product Information

Rennline High Pressure Fuel Rail 
Upgrade your aging factory fuel system with Rennline’s High Pressure Fuel Rail Line. Designed to outperform and outlast the original, this premium replacement features a modern braided fuel line paired with precision CNC-machined billet aluminum ends, ensuring a secure, leak-free fit. Unlike other aftermarket options, this rail follows the OEM routing to prevent interference with the rocker cover. Perfect for stock replacements or high-performance builds.

Fits:

  • Porsche 924S 2.5L 1986-87
  • Porsche 924S 2.5L 1988
  • Porsche 944 2.5L 8V 1982-87
  • Porsche 944 2.7L 8V 1988-89
  • Porsche 944 Turbo 2.5L 8V 1985-88
  • Porsche 944 Turbo 2.5L 8V 1989-91
  • Porsche 944 Turbo S 2.5L 8V 1988>>

Diagram ref no 11 

Key Features:

  • Modern braided fuel hose for enhanced durability and higher pressure tolerance
  • CNC-machined billet ends for an OEM+ look and performance
  • Includes 10mm & 8mm to -6 JIC compression fittings
  • Ideal for both factory replacement and performance applications


What the Product Does

  • Delivers high-pressure fuel reliably to the injectors.
  • Withstands higher fuel system pressures compared to aging OEM parts.
  • Prevents leaks with precision-machined fittings and modern hose construction.
  • Maintains factory routing for a clean, interference-free fit.

Symptoms of a Failing or Worn Fuel Rail

  • Strong fuel smell from the engine bay.
  • Visible leaks or damp spots on the fuel line/rail. 
  • Hard starting or poor performance under load.
  • Fuel pressure loss or misfires.
  • Cracked or brittle factory lines due to age. 

Common Reasons for Failure

  • Aging Materials: Original rubber fuel lines harden and crack over time.
  • Heat Exposure: Constant engine bay heat accelerates degradation.
  • Fuel Pressure Stress: Stock parts may struggle with modern fuel blends and higher pressures.
  • Corrosion: Factory metal ends may rust or weaken.

Why Replace?

  • Prevents dangerous fuel leaks and fire hazards.
  • Restores reliable fuel delivery and performance.
  • Provides a long-term solution with modern materials.
  • Supports both daily driving and high-performance builds.
  • Eliminates common clearance issues with poorly designed aftermarket options.

 Ideal For: Porsche 924S, 944, and 951 owners seeking a safe, reliable upgrade to their fuel delivery system - whether for everyday driving or high-performance tuning.



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

M141
94411041302
94411041303

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Special Order item
PCG51219802
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Product Information
Hose clip fuel pipe - 17x9mm
Sold each

porsche

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

PCG51219802
PCG51219802
99951219802

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Special Order item
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
90017502001

The product you are viewing cross references to these numbers
90017502001/1
Product Information
Product Information

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
90017502001

The product you are viewing cross references to these numbers
Special Order item
PCG13400701
Product Information
Product Information

M14 Banjo Bolt – Power Steering, Gearbox Oil & Fuel Line Fitting 
Sold each

This versatile banjo bolt is used to secure banjo fittings across a range of systems, including power steering hoses, gearbox oil pipes, and fuel lines, ensuring a strong, leak-free connection under pressure.

Fits:

  • Porsche 911 1965-1968 2.0L / 912 SWB (F)
  • Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
  • 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 924S 2.5L 1986-87
  • Porsche 924S 2.5L 1988
  • 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 928 4.5L 1978-82
  • 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 928S 4.7L 1981-83
  • Porsche 928S2 4.7L 1984-86
  • Porsche 928S4 5.0L 1987-92
  • Porsche 928GT 5.0L 1989-91

Diagram ref no 39 

Engineered to OEM specifications, it delivers precise fitment and reliable sealing performance, making it an essential component for maintaining fluid system integrity across hydraulic, lubrication, and fuel systems. Ideal for servicing, repair, or restoration of both classic and modern Porsche models.

Key Features

• M14 banjo bolt for multiple Porsche applications
• Suitable for power steering, gearbox oil, and fuel systems
• Compatible with 911, 964, 924S, 928, and 944 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 vehicle systems.

It helps to:
• Secure banjo fittings to power steering hoses
• Connect gearbox oil pipes for lubrication systems
• Fasten fuel line connections within the fuel system
• Maintain proper sealing under pressure
• Ensure consistent fluid flow and system efficiency

Why Replace Banjo Bolts

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

Common issues include:
• Fluid leaks (oil, fuel, or hydraulic fluid)
• Thread wear or stripping
• Corrosion from long-term use
• Reduced sealing efficiency

Replacing worn bolts ensures safe operation and maintains performance across multiple systems.



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

PCG13400701
PCG13400701
90013400701
90013400702

The product you are viewing cross references to these numbers
PCG13400701/1
Product Information
Product Information

M14 Banjo Bolt – Power Steering, Gearbox Oil & Fuel Line Fitting 
Sold each

This versatile banjo bolt is used to secure banjo fittings across a range of systems, including power steering hoses, gearbox oil pipes, and fuel lines, ensuring a strong, leak-free connection under pressure.

Fits:

  • Porsche 911 1965-1968 2.0L / 912 SWB (F)
  • Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
  • 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 924S 2.5L 1986-87
  • Porsche 924S 2.5L 1988
  • 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 928 4.5L 1978-82
  • 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 928S 4.7L 1981-83
  • Porsche 928S2 4.7L 1984-86
  • Porsche 928S4 5.0L 1987-92
  • Porsche 928GT 5.0L 1989-91

Diagram ref no 39 

Engineered to OEM specifications, it delivers precise fitment and reliable sealing performance, making it an essential component for maintaining fluid system integrity across hydraulic, lubrication, and fuel systems. Ideal for servicing, repair, or restoration of both classic and modern Porsche models.

Key Features

• M14 banjo bolt for multiple Porsche applications
• Suitable for power steering, gearbox oil, and fuel systems
• Compatible with 911, 964, 924S, 928, and 944 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 vehicle systems.

It helps to:
• Secure banjo fittings to power steering hoses
• Connect gearbox oil pipes for lubrication systems
• Fasten fuel line connections within the fuel system
• Maintain proper sealing under pressure
• Ensure consistent fluid flow and system efficiency

Why Replace Banjo Bolts

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

Common issues include:
• Fluid leaks (oil, fuel, or hydraulic fluid)
• Thread wear or stripping
• Corrosion from long-term use
• Reduced sealing efficiency

Replacing worn bolts ensures safe operation and maintains performance across multiple systems.



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

PCG13400701
PCG13400701
90013400701
90013400702

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
063133558
Product Information
Product Information
Screwed socket for fuel line.

porsche

Fits:
Porsche 924 1976-85

Click 'Zoom in' for large parts diagram.
Diagram ref no 12

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

063133558
063133558
063133541
63133541

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DISPLAYING 33 to 44 (of 44 products)
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Also found on these pages
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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