Filler Neck Parts
Fits:
Porsche 911 1978-89
Porsche 964 1989-94
Porsche 968 1992-95
Porsche 924S 1986-88
Porsche 944 2.7L 1989
Porsche 944 S2 3.0L 1989-91
Porsche 944 2.5L Turbo 1986-91
Porsche 944 2.5L Turbo S 1987-88
Porsche 928 S4 / GT / GTS 1987-95
Click 'Zoom in' for large parts diagram.
Diagram ref no 11
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410709101
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 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L 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 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.7L 8V 1988-89
- 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 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
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12 Month Warranty
Worldwide Delivery
Fits:
Porsche 911 SC 1974-83 SPORTMATIC ONLY
Porsche 911 Turbo (3.3L) 09/1977-07/1989
Porsche 964 1989-94
Porsche 968 1992-95
Porsche 924S 1986-88
Porsche 944 2.7L 1989
Porsche 944 S2 3.0L 1989-91
Porsche 944 2.5L Turbo 1986-91
Porsche 944 2.5L Turbo S 1987-88
Porsche 928 S4 / GT / GTS 1987-95
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410709101
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 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L 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 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.7L 8V 1988-89
- 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 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
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12 Month Warranty
Worldwide Delivery
Fits:
Porsche 924 2.0 1976-79
Porsche 924 2.0 1980-85
Porsche 924 Carrera GT 1981
Porsche 924 Turbo 1979
Porsche 924 Turbo 1980-84
Click 'Zoom in' for large parts diagram.
Diagram ref no 24
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
026103485A
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
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 911 1984-89
Porsche 964 1989-94
Porsche 924S 1986-88
Porsche 928 1987-95
Porsche 944 1985-91
Porsche 968 1992-95
Click 'Zoom in' for large parts diagram.
Diagram ref no 12
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99970184640
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L 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 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- 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 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 911 - 1978 to 1989
Porsche 964 - 1989 to 1994
Porsche 968 - 1992 to 1995
Porsche 924S - 1986 to 1988
Porsche 944 2.5ltr - 1982 to 1991
Porsche 944 2.7ltr - 1989
Porsche 944 S2 3.0ltr - 1989 to 1991
Porsche 944 2.5ltr Turbo 1986-91
Porsche 944 2.5LTurbo S - 1987 to 1988
Porsche 928 S4 / GT / GTS - 1987 to 1995
Product Description
Is your 30+ year old oil cap showing its age?
This oil cap will stand up to the elements thanks to the anodized finish on this full-billet aluminum oil cap. The added RSR styling to our oil cap is the finishing touch to your Porsches engine bay.
- Constructed from Aircraft Grade Aluminum
- Anodized finish available in both clear or black
- O-ring pre-installed and ready for use
Diagram ref no 11
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
M113
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L 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 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 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Shop Securely
12 Month Warranty
Worldwide Delivery
Engine Oil Filler Neck Parts – Reliable Oil Access for Porsche Engines
The engine oil filler neck is a crucial component in your Porsche’s lubrication system, allowing for safe and efficient oil refilling while ensuring a proper seal to prevent leaks, vapour escape, or contamination. This part connects the oil filler cap to the main crankcase or reservoir, maintaining pressure integrity throughout the engine’s oil system.
At Design911, we supply a complete selection of oil filler necks, caps, seals, and connecting pipes designed specifically for Porsche vehicles. Crafted from high-quality, heat- and oil-resistant materials, these components deliver long-lasting durability, perfect fitment, and superior performance under demanding driving conditions.
Whether you’re maintaining a modern 992 or restoring a classic air-cooled 911, our oil filler parts provide dependable sealing, efficient oil flow, and long-term reliability.
What Do Oil Filler Neck Parts Do?
The oil filler neck system provides a controlled entry point for adding engine oil while maintaining the closed integrity of the lubrication circuit.
Core Functions:
- Allows
efficient oil refilling without contamination or spillage.
- Maintains
proper oil system pressure by ensuring an airtight seal.
- Connects
filler cap to oil reservoir or crankcase for secure delivery.
- Prevents debris or moisture from entering the engine oil system.
A properly functioning oil filler neck ensures clean, efficient oil servicing and protects your Porsche’s engine from contaminants or pressure imbalance.
Why Do Oil Filler Neck Parts Fail?
Due to constant exposure to oil, heat, and vibration, filler neck parts can degrade over time, leading to leaks or improper sealing.
Common Causes of Failure Include:
- Cracked
or brittle filler pipes caused by age or heat exposure.
- Worn
or damaged seals and O-rings, leading to oil vapour leaks.
- Oil
residue build-up, causing clogging or poor fitment.
- Loose
or corroded fittings from repeated use.
- Improper installation leading to pressure loss or leaks.
Signs of failure may include oil odours, visible leaks, loose filler caps, or vacuum imbalance, all of which can reduce performance and cause maintenance issues if left unchecked.
Why Replace with Precision-Engineered Oil Filler Neck Components?
Replacing worn or damaged oil filler parts ensures proper oil pressure, clean oil flow, and reliable engine servicing. Our high-quality, direct-fit components are built to resist heat, corrosion, and oil degradation, maintaining system integrity even under high-performance conditions.
Key Benefits:
- Restores airtight sealing and proper oil system pressure.
- Prevents leaks and oil contamination.
- Improves service convenience and reliability.
- Constructed from high-strength, oil-resistant materials.
- Direct-fit
compatibility for classic and modern Porsche engines.
- Perfect for regular maintenance or engine rebuilds.
Replacing the filler neck and related parts not only prevents oil loss but also helps maintain clean, efficient engine operation.
Highlights:
- Precision-engineered oil filler necks and components for Porsche engines.
- Durable, corrosion-resistant materials for long-term reliability.
- Direct-fit replacements for Porsche 911, Boxster, Cayman, Cayenne, Panamera and more
- Ensures proper oil refilling and system sealing. Reduces risk of leaks, contamination, and vapour loss.
- Ideal for maintenance, rebuilds, or restoration projects.
