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Fuel Lines & Breather Hoses
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 924 2.0L 1976-79
- 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
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 914 (1970-1976)
Braided Fuel Hose (Sold by the Metre) - 9.3mm Internal Diameter / 15.3mm Outer Diameter.
This high-quality braided fuel hose is designed for multiple uses within the fuel system of various vehicles. It offers extremely low fuel permeability, excellent heat resistance, and high flexibility, making it a reliable choice for demanding applications.
Fits:
Porsche 911 Carrera 1965-89
Porsche 911 Turbo (930) 1975-89
Porsche 914 1970-76
Porsche 924 1976-85
Porsche 928 1978-91
Comparable to Porsche part number(s): N0203591 & PCG020359A
Specifications:
Inner Diameter (ID): 9.3mm
Outer Diameter (OD): 15.3mm
Material: FPM/ECO/AR/ECO (Type 3E) – Compliant with DIN 73379-1
Complies With: EU End-of-Life Vehicles Directive
NOTE: This product is not suitable for use in fuel tanks, or for gear and/or engine oils. Always follow the manufacturer's specifications regarding operating temperatures, especially for high-performance engines exposed to extreme heat.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PCG020359A
The product you are viewing cross references to these numbers
- 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
- 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 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 924 1980-85
Porsche 924S 1986-88
Porsche 944 1982-91
Porsche 968 1992-95
Click 'Zoom in' for large parts diagram.
Diagram ref no 45
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
477201393C
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- 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
Porsche 924 Fuel Hose - Accumulator to Fuel Line
Accurate Fuel Delivery and System Reliability
The fuel hose from the accumulator to the fuel line is an
essential part of the Porsche 924 fuel delivery system. It connects the fuel
accumulator to the main fuel line, allowing pressurised fuel to flow
consistently under varying engine demands.
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
9249103158>>
9249400051>>
Diagram Ref No 14
This hose plays a crucial role in maintaining correct fuel pressure, stabilising fuel delivery and preventing fuel leaks.
What This Fuel Hose Does
In the Porsche 924, the fuel system includes a fuel
accumulator that smooths pressure fluctuations and ensures steady fuel supply,
especially at idle and under load. This hose connects the accumulator to the
main fuel line and:
- Maintains sealed fuel transfer under pressure
- Allows the fuel accumulator to do its pressure-stabilising function
- Prevents fuel spray and loss under engine vibration
- Helps maintain consistent fuel pressure to injectors
Without a reliable accumulator-to-fuel-line hose, the fuel system cannot sustain proper pressure. That affects engine performance, idle quality and efficiency.
Why Fuel Hoses Fail
Fuel hoses are exposed to harsh conditions over time
including constant fuel contact, heat cycling, vibration and environmental
contamination. Common reasons this fuel hose fails include:
- Rubber hardening and cracking with age
- Fuel permeation that degrades inner hose layers
- Exposure to heat from the engine bay
- Swelling or softening from prolonged fuel contact
- Chafing or abrasion against surrounding components
As the hose ages, it can develop leaks, bulges or internal collapse, impairing fuel flow and pressure.
When You Should Replace This Fuel Hose
You should consider replacing the fuel hose if you observe
any of the following:
- Visible cracks, splits or bulges in the hose
- Fuel smell while the engine is running or parked
- Fuel leaks under the vehicle around the fuel rail or accumulator
- Poor idle quality, hesitation or stalling
- Fuel pressure loss or drop under load
- Regular maintenance on original or aged fuel system components
Because fuel leaks pose both performance and safety risks, replacing this hose is essential when deterioration is evident or if it has never been renewed on an older Porsche 924.
Quality Fuel System Parts from Design911
At Design911, we supply genuine and high-quality replacement hoses for Porsche fuel systems. The accumulator to fuel line hose is engineered to match OE specifications and restore reliable fuel delivery.
Using a correct fuel hose ensures:
- Safe, sealed fuel transfer
- Stable fuel pressure under all driving conditions
- Reduced risk of fire or fuel spray
- Improved engine smoothness and responsiveness
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
477209047B
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- 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
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
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
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
477209047A
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- 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
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
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
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- 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
Fits:
Porsche 924 1976-85
Click 'Zoom in' for large parts diagram.
Diagram ref no. 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
477209199D
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1975-1977 3.0L 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 2.0L 1976-79
- 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
- Porsche 944 2.5L 8V 1982-87
- 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
Sold each
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
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PCG51219802
The product you are viewing cross references to these numbers
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?
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.
