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- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 968 3.0L 1992-94
Fuel Tank Breather Hose – Tank to Filler
Neck
Sold per metre
High-quality fuel tank breather hose designed for Porsche 944 S2 Cabriolet, 944 turbo Cabriolet and 968 Cabriolet models,
connecting the fuel tank to the filler neck.
Fits:
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 968 3.0L 1992-94
Diagram ref no 39
This hose is a key part of the fuel tank ventilation system, allowing fuel vapours to flow safely while maintaining proper pressure within the tank. It ensures efficient fuel system operation and prevents vapour build-up during refuelling and driving.
Supplied per metre, this hose allows for precise replacement and routing, making it ideal for maintenance, repair, or restoration of Porsche Cabriolet fuel systems. Manufactured to OEM specifications for durability and correct fitment.
Key Features
• Fuel tank breather hose – tank to filler neck
• Suitable for Porsche 944 S2 Cabriolet and 968 Cabriolet
• Part number 94120171311
• Designed for fuel vapour and ventilation systems
• Sold per metre for custom lengths
• Flexible and durable construction
• OEM-style fit and performance
Function and Purpose
This hose is an essential component of the fuel system.
It helps to:
• Connect fuel tank to filler neck ventilation system
• Allow safe transfer of fuel vapours
• Maintain proper internal tank pressure
• Prevent vapour build-up during refuelling
• Support efficient fuel system operation
Why Replace Breather Hoses
Over time, breather hoses can degrade due to fuel vapours and environmental exposure.
Common issues include:
• Cracking or splitting
• Fuel vapour leaks
• Hardening and loss of flexibility
• Reduced ventilation efficiency
Replacing worn hoses ensures proper fuel system performance and safety.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94120171311
The product you are viewing cross references to these numbers
- 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
Fits:
Porsche 944 1985-91
Porsche 968 1992-95
Click 'Zoom in' for large parts diagram.
Diagram ref no 23
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95135655700
The product you are viewing cross references to these numbers
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
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
The product you are viewing cross references to these numbers
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
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