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- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Fuel Return Line
High-quality replacement fuel return line designed for Porsche 928 S4, 928 GT, and 928 GTS models.
This hose forms a vital part of the fuel system, 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 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Diagram ref no 10A
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 928 V8 fuel systems.
Key Features
• Direct replacement fuel return hose
• Suitable for Porsche 928 S4, GT, and GTS models
• 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 to the tank
• Maintain correct fuel pressure within the system
• Prevent fuel system overpressure
• Support efficient fuel circulation
Why Replace Your Fuel Return Line
Fuel hoses degrade over time due to heat, pressure, and fuel exposure.
Common issues include:
• Cracking or deterioration
• Fuel leaks or seepage
• Pressure imbalance in the fuel system
• Reduced engine performance or drivability
Replacing the hose restores safe and reliable fuel system operation.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92811035910
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Related, superseded, cross reference or alternative numbers for comparison.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