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Fuel Filter and Fittings

Fits:
Porsche 911 3.2L 1984 - 89
Porsche 928 1983 - 95
Porsche 924S 2.5L 1986 - 88
Porsche 944 1982 - 91
Porsche 964 1989 - 94
Porsche 993 1994 - 98
Porsche 993 Turbo
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92811025307
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- 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 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95

Fits:
Porsche 911 3.2L 1984 - 89
Porsche 928 1983 - 95
Porsche 924S 2.5L 1986 - 88
Porsche 944 1982 - 91
Porsche 964 1989 - 94
Porsche 993 1994 - 98
Porsche 993 Turbo
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92811025307
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- 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 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95

Fits:
Porsche 911 3.2L 1984 - 89
Porsche 928 1983 - 95
Porsche 924S 2.5L 1986 - 88
Porsche 944 1982 - 91
Porsche 964 1989 - 94
Porsche 993 1994 - 98
Porsche 993 Turbo
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92811025307
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- 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 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
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
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

Fits:
Porsche 924 1976-79
Porsche 924 S 1986-88
Porsche 944 1982-91
Porsche 928 1978-82
Porsche 928 1983-86
Porsche 928 1987-88 (For Cars without in-tank fuel pump)
Porsche 968 1992-95
Porsche 964 1989-94
Porsche 993 1995-98
Click 'Zoom in' for large parts diagram.
Diagram ref no 27.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92820108104
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
- Porsche 924 2.0L 1976-79
- 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
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92

Fits:
Porsche 924 1976-79
Porsche 924 S 1986-88
Porsche 944 1982-91
Porsche 928 1978-82
Porsche 928 1983-86
Porsche 928 1987-88 (For Cars without in-tank fuel pump)
Porsche 968 1992-95
Porsche 964 1989-94
Porsche 993 1995-98
Click 'Zoom in' for large parts diagram.
Diagram ref no 27.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92820108104
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
- Porsche 924 2.0L 1976-79
- 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
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
Fits:
Porsche 924 1976-85
Porsche 924S 1986-88
Porsche 944 1982-91
Porsche 928 1978-95
Porsche 968 1992-95
Porsche 964 1989-94
Porsche 993 1994-98
Click 'Zoom in' for large parts diagram.
Diagram ref no 41
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92820118703
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
- 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 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
- 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 928GTS 5.4L 1992-95
Fuel Filters & Fuel Filter Fittings – Clean, Consistent Fuel Flow for Peak Porsche Performance
Fuel filters and fittings are critical components in maintaining your Porsche’s fuel system efficiency and engine longevity. The fuel filter removes impurities, debris, and moisture from the fuel before it reaches the injectors, ensuring clean combustion and optimal performance. Fuel filter fittings, such as hoses, clamps, and adapters, connect the filter to the system securely, ensuring leak-free, high-pressure operation.
At Design911, we supply a full range of precision-engineered fuel filters and fittings designed to meet manufacturer-level performance and reliability standards. Each component is built from high-grade materials to withstand modern fuels — including ethanol blends — ensuring consistent flow, corrosion resistance, and protection under demanding conditions.
Whether you’re maintaining a modern 911, rebuilding a classic air-cooled model, or preparing for motorsport, our manufacturer-quality filters and fittings help keep your Porsche running as smoothly and responsively as intended.
What Do Fuel Filters and Fittings Do?
Fuel filters and fittings ensure that only clean, contaminant-free fuel reaches the engine — a crucial factor for precise combustion, injector longevity, and throttle response.
Core Functions:
- Filter out debris, rust, and water from the fuel supply.
- Protect injectors and pumps from clogging or corrosion.
- Maintain consistent pressure throughout the fuel delivery system.
- Ensure safe, leak-free connections with quality fittings and seals.
A clean, well-filtered fuel supply preserves engine performance, efficiency, and emissions quality — vital for both classic and high-performance Porsche engines.
Why Do Fuel Filters and Fittings Fail?
Fuel filters and fittings are exposed to constant pressure, vibration, and contaminated fuels, especially in vehicles driven infrequently or using ethanol blends. Over time, wear and contamination can compromise performance.
Common Causes of Failure Include:
- Filter clogging from debris, varnish, or moisture accumulation.
- Corrosion or cracking in filter housings or metal fittings.
- Degraded rubber seals or hoses leading to leaks or pressure loss.
- Restricted flow causing poor acceleration and reduced power.
- Neglected maintenance intervals, allowing contaminants to pass through.
Symptoms of a failing filter system include hard starting, hesitation under load, poor fuel economy, or engine misfires.
Why Replace with Precision-Engineered Fuel Filters and Fittings?
Replacing your fuel filter and fittings ensures optimal fuel pressure, injector performance, and clean combustion. New components restore efficiency, reliability, and long-term protection for your Porsche’s engine.
Key Benefits:
- Restores consistent fuel flow and pressure stability.
- Protects injectors, pumps, and valves from contamination.
- Improves throttle response and fuel economy.
- Reduces risk of leaks or vapour lock.
- Crafted from corrosion-resistant, high-grade materials.
- Direct-fit compatibility for Porsche models of all generations.
Regular replacement is especially critical for classic and performance-tuned engines, where precision fuel metering is essential to maintain output and reliability.
Highlights:
- Premium-quality fuel filters and fittings for Porsche vehicles.
- High-flow, corrosion-resistant design for longevity.
- Filters microscopic debris and moisture for cleaner combustion.
- Secure fittings and seals for leak-free performance.
- Perfect for classic restorations or high-performance upgrades.
- Ensures fuel system reliability under all driving conditions.