Gaskets & Sets


- 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 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988>>
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
Fits:
Porsche 924S - 1986 to 1988
Porsche 944 - 1982 to 1989
Porsche 944 turbo - 1985 to 1991
Porsche 928 / 928S / 928S2 - 1978 to 1986
Click 'Zoom in' for large parts diagram.
Diagram ref no 6
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Related, superseded, cross reference or alternative numbers for comparison.
92810518902
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- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86

Fits:
Porsche 928 4.7L 1980-86
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92810090101
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- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86

Fits:
Porsche 928 4.7L 1980-86
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92810090101
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- Porsche 928 4.5L 1978-82

Fits:
Porsche 928 4.5L 1978-82
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92810090100
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- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95

Fits:
Porsche 928 GTS 5.4L 1992-96
Porsche 928 S4 5.0L 19987-91
Porsche 928 GT 5.0L 1989-91
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Related, superseded, cross reference or alternative numbers for comparison.
92810090104
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- Porsche 928S4 5.0L 1987-92

Fits:
Porsche 928 S 1985-86
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92810490300
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- Porsche 928S2 4.7L 1984-86

Fits:
Porsche 928 S 1985-86 USA/CND/JAP
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92810090102
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- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83

Fits:
Porsche 911 turbo - 1975 to 1989
Porsche 964 turbo - 1991 to 1993
Porsche 928 / 928S - 1978 to 1983
Click 'Zoom in' for large parts diagram.
Diagram ref no 19
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93011039400
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Typical Applications
Hylomar Gasket 3400 can be used as a gasketing compound between machined surfaces. It is ideal for sealing between mating faces on engines and transmission components where resistance to temperature and vibration are essential.
INSTRUCTIONS FOR USE
Hylomar Gasket 3400 should be applied to clean and dry surfaces, free of contamination such as oil or grease. The compound may be dispensed by hand from cartridge, concertina pack, or via a screen printing system. Once applied the joint should be assembled as soon as practical. Any excess compound can be easily wiped off external surfaces with a clean cloth soaked in Acetone or other suitable solvents.
Typical Physical Properties:
UNCURED PRODUCT
Composition: Methyl-Methacrylate
Colour: Yellow
Viscosity @ 25°C / Brookfield Spindle 6 @ 2.5rpm: 100,000cps
Specific Gravity @ 25°C: 1.10 g/ml
Solvent Content: None
Specific Gravity g/ml @ 25°C: 1.04
Flash Point: >100°C
Shelf Life: 1 Year @ 4° to 25°C
CURED PRODUCT
Handling Time: 40 minutes
Functional Cure Time: 4 – 6 hours
Full Cure Time : 24 – 72 hours
Shear Strength : 1.5 N/mm²
Mild Steel/Mild Steel BS 5350 Part C5
Aluminium/Aluminium BS 5350 Part C5
Temperature Range: -40° to 150°C





- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
Price is for each.

Fits:
Porsche 928 1978-86
Click 'Zoom in' for large part diagram.
Diagram Ref No 39.
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92811033003
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- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
Price is for each.

Fits:
Porsche 928 1978-86
Click 'Zoom in' for large part diagram.
Diagram Ref No 39.
Related reference numbers
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92811033003
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- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
2 per car. Price is for each.
Fits:
Porsche 928 S4 / GT 1987-91
Porsche 928 GTS 1992-95
Diagram Ref No 5.
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92811058002
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- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
2 per car. Price is for each.
Fits:
Porsche 928 S4 / GT 1987-91
Porsche 928 GTS 1992-95
Diagram Ref No 5.
Related reference numbers
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92811058002
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- 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 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988>>
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
Sold each

Fits:
Porsche 924S - 1986 to 1988
Porsche 944 8v - 1982 to 1987
Porsche 944 turbo - 1985 to 1991
Porsche 928 / 928 S / 928 S2 - 1978 to 1986
Click 'Zoom in' for large parts diagram.
Diagram ref no 21
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99970160240
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- 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
Porsche 928 S2 and 928 S4
MLS (Multi Layer Steel) version
Price is for each, 1 x LHS and 1 x RHS required per car

Fits
Porsche 4.7ltr 928 S2
Porsche 5.0ltr 928 S4
Porsche 5.4ltr GTS
Engine Codes
M28.41 - 928 S4 5.0ltr /235KW
M28.42 - 928 S4 5.0ltr /235KW
M28.43 - 928 S 4.7ltr /215KW
M28.44 - 928 S 4.7ltr /215KW
M28.45 - 928 S 4.7ltr /215KW
M28.46 - 928 S 4.7ltr /212KW
M28.47 - 928 GT 5.0ltr /243KW
M28.49 - 928 GTS 5.4ltr /257 KW
M28.50 - 928 GTS 5.4ltr /257 KW
Please check Bore Size and Thickness before ordering
Material: MLS (Multi Layer Steel)
Compressed Thickness: .027 inch to 0.098 inch
Bore Shape: Round
Bore Size (MM): 100
Number of layers: 3 to 5
Orientation: Choose Left (1-4) or Right (5-8)
Gaskets are produced to order
Estimated Delivery Time: 5-6 Weeks
MLS Gaskets
The embossed outer layers of our head gaskets meet the demands of a variety of harsh sealing environments, load conditions, and surface
finishes. The MLS Gasket (Multi-Layer Steel) features an active combustion seal on multiple layers.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
C578
The product you are viewing cross references to these numbers





- 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
Porsche 928 S2 and 928 S4
MLS (Multi Layer Steel) version
Price is for each, 1 x LHS and 1 x RHS required per car

Fits
Porsche 4.7ltr 928 S2
Porsche 5.0ltr 928 S4
Porsche 5.4ltr GTS
Engine Codes
M28.41 - 928 S4 5.0ltr /235KW
M28.42 - 928 S4 5.0ltr /235KW
M28.43 - 928 S 4.7ltr /215KW
M28.44 - 928 S 4.7ltr /215KW
M28.45 - 928 S 4.7ltr /215KW
M28.46 - 928 S 4.7ltr /212KW
M28.47 - 928 GT 5.0ltr /243KW
M28.49 - 928 GTS 5.4ltr /257 KW
M28.50 - 928 GTS 5.4ltr /257 KW
Please check Bore Size and Thickness before ordering
Material: MLS (Multi Layer Steel)
Compressed Thickness: .045 inch to 0.060 inch
Bore Shape: Round
Bore Size (MM): 104
Number of layers: 3 to 5
Orientation: Choose Left (1-4) or Right (5-8)
Gaskets are produced to order
Estimated Delivery Time: 5-6 Weeks
MLS Gaskets
The embossed outer layers of our head gaskets meet the demands of a variety of harsh sealing environments, load conditions, and surface
finishes. The MLS Gasket (Multi-Layer Steel) features an active combustion seal on multiple layers.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
C578
The product you are viewing cross references to these numbers



Title: Upgrading Porsche Engine Gaskets: Benefits, Technical Specifications, and Considerations
Technical Specifications of Porsche Engine Gaskets:
High-quality material: Engine gaskets, whether original Porsche or aftermarket, are made from durable materials such as multi-layer steel (MLS) or high-grade rubber.
Perfect fit: These gaskets are designed specifically for Porsche engines, ensuring precise fitment and compatibility with the engine components.
Enhanced sealing: Engine gaskets provide an effective barrier against oil, coolant, and other fluids, preventing leaks and maintaining optimal engine performance.
Temperature resistance: Porsche engine gaskets are engineered to withstand high temperatures and maintain their sealing properties under extreme conditions.
Longevity: With their robust construction, engine gaskets offer long-lasting reliability and help extend the lifespan of your Porsche.
Benefits of Upgrading Porsche Engine Gaskets:
Improved performance: Upgrading to high-quality engine gaskets can enhance the sealing efficiency, leading to improved engine performance and power delivery.
Reduced risk of leaks: Upgraded gaskets minimize the chances of fluid leaks, preventing potential damage to engine components and reducing the risk of engine failure.
Enhanced durability: Engine gaskets made from premium materials offer superior resistance to wear and tear, ensuring longevity and minimizing the need for frequent replacements.
Compatibility assurance: OEM (original equipment manufacturer) or aftermarket engine gaskets designed for Porsche models guarantee compatibility, providing peace of mind during installation and usage.
Optimal sealing properties: High-quality gaskets help maintain proper compression ratios, prevent cross-contamination of fluids, and ensure efficient combustion, thereby maximizing engine efficiency.
When considering the purchase of original Porsche or aftermarket engine gaskets, there are several factors to keep in mind:
Compatibility: Ensure that the gaskets are specifically designed for your Porsche model and engine variant to ensure a proper fit and functionality.
Quality and reliability: Opt for gaskets made from reputable brands or original Porsche parts to ensure durability and reliable performance.
Professional advice: Seek guidance from knowledgeable experts, such as those at Design911, who can provide expert assistance in identifying the correct part for your Porsche and offer professional advice on installation and maintenance.
At Design911, we specialize in Porsche parts and accessories, including engine gaskets. Our experienced team can help you find the correct gasket for your specific Porsche model and provide the best professional advice tailored to your needs. With our wide selection of high-quality gaskets and commitment to customer satisfaction, we strive to ensure that your Porsche performs at its best while maintaining optimal reliability and performance.