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Fuel Hose, Return line. Porsche 911 turbo 1978-89 ❭ 93035606204
- Porsche 911 1978-1989 3.3L Turbo (930)
Fuel Return Hose
High-quality replacement fuel return hose designed for Porsche 911 turbo (930) models.
This hose is a vital component of the fuel system,
responsible for returning excess fuel from the engine back to the fuel tank. By
maintaining proper fuel circulation and pressure balance, it ensures smooth
engine operation, consistent fuel delivery, and overall system reliability.
Fits:
- Porsche 911 1978-1989 3.3L Turbo (930)
Diagram ref no 23
Manufactured to OEM specifications, this fuel return hose offers precise fitment along with excellent resistance to fuel, heat, and pressure—making it ideal for maintenance, repair, or restoration of classic Porsche 911 Turbo fuel systems.
Key Features
• Direct replacement fuel return hose
• Suitable for Porsche 911 Turbo (930) models
• Maintains proper fuel circulation and pressure balance
• 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 part of the fuel system.
It helps to:
• Return excess fuel safely to the tank
• Maintain stable fuel pressure
• Prevent fuel system overpressure
• Support efficient fuel circulation
Why Replace Your Fuel Return Hose
Fuel hoses degrade over time due to exposure to heat, pressure, and fuel.
Common issues include:
• Cracking or hardening of the hose
• Fuel leaks or seepage
• Pressure imbalance within the system
• Reduced reliability and performance
Replacing the hose restores safe and consistent fuel system operation.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93035606204
The product you are viewing cross references to these numbers
- 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
Fits:
Porsche 964 1989-94 LHD cars with power assisted steering (M657)
Porsche 993 1994-98 LHD cars
Click 'Zoom in' for large parts diagram.
Diagram ref no 17
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96435659500
The product you are viewing cross references to these numbers
- 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

Fits:
Only for right-hand-drive vehicles
Porsche 964 1992-94
Porsche 993 1994-98
Click 'Zoom in' for large parts diagram.
Diagram ref no 34
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96435658403
The product you are viewing cross references to these numbers
- 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
This Genuine Porsche fuel return line is an OE replacement fuel return pipe for selected Porsche 964 and 993 left-hand-drive cars. It helps route fuel safely through the return side of the fuel system, maintaining factory pipe routing and Porsche OE fitment. Ideal for replacing a leaking, corroded, damaged or ageing fuel return line during fuel system repair or restoration.
Fits:
Only for left-hand-drive (LHD) vehicles
Porsche 964 1992 - 1994
Porsche 993 1994 - 1998
Diagram ref no 34
This original Porsche fuel line forms part of the fuel delivery and return system, helping route unused fuel safely back through the fuel system while maintaining correct factory pipe routing and fitment.
This part replaces earlier Porsche numbers: 96435658301, 96435658302, 96435658304
Functions
• Routes return fuel through the vehicle’s fuel system
• Helps maintain correct fuel circulation and fuel system operation
• Provides a factory-correct return line connection and routing
• Supports safe return of unused fuel from the fuel system
• Helps maintain correct fuel system pressure when used with the proper fuel system components
• Replaces an aged, leaking, corroded or damaged original fuel return line
• Maintains OE Porsche fitment for left-hand-drive 964 and 993 models.
Why Replace This Part?
Fuel return lines can deteriorate over time due to fuel exposure, age, heat, pressure and corrosion. A worn or damaged return line may leak, smell of fuel, corrode at the fittings or become unsafe for continued use. Replacing the line with a Genuine Porsche OE fuel return line helps restore the correct factory fuel system layout and supports safe, reliable fuel return operation. Any fuel leak or fuel smell should be inspected immediately, as fuel system faults can create a serious safety risk.
When to Replace This Part
• If there is a visible fuel leak from the return line
• If there is a fuel smell around the fuel line area
• If the line is corroded, cracked, kinked or damaged
• If the fittings are seized, worn or leaking
• During fuel system restoration or major fuel line replacement
• During fuel pump, fuel filter or fuel accumulator service where related lines are removed
• When replacing old, non-original or incorrectly routed fuel pipework
• Before recommissioning a car that has been stored for a long period.
Where It Fits on the Car
This fuel return line fits in the fuel delivery/return system of the vehicle. It is part of the fuel pipework assembly and is used to return fuel within the system on left-hand-drive Porsche 964 and 993 models.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96435658306
The product you are viewing cross references to these numbers
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