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Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://www.design91.uk/images/schemaLogo.png https://www.design91.uk/images/schemaLogo.png +443456003478 https://www.design91.uk Facebook Instagram

Gaskets & Sets

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DISPLAYING 17 to 24 (of 24 products)
1 2
Special Order item
99970160240
Product Information
Product Information
O-Ring seal camshaft bearing - 50x5
Sold each

porsche

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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Related, superseded, cross reference or alternative numbers for comparison.

99970160240
99970160240

The product you are viewing cross references to these numbers
C4272
Product Information
Product Information
Cylinder head gasket - 100.5mm Bore size
MLS (Multi Layer Steel) version

cometic

Fits
Porsche 924S
Porsche 944 - 2.5ltr
Porsche 944S - 2.5Ltr
Porsche 944 Turbo and Turbo S

Engine Codes
M44.01, M44.02, M44.03, M44.04, M44.05, M44.06,
M44.07, M44.09, M44.10
M44.40
M44.50, M44.52

Please check Bore Size and Thickness before ordering

Material: MLS (Multi Layer Steel)
Compressed Thickness: .027 inch to 0.140 inch
Bore Shape: Round
Bore Size (MM): 100.5
Number of layers: 3 to 5

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Related, superseded, cross reference or alternative numbers for comparison.

C4272
95110437402
95110437450

The product you are viewing cross references to these numbers
C4273
Product Information
Product Information
Cylinder head gasket - 103mm Bore size
MLS (Multi Layer Steel) version

cometic

Fits
Porsche 924S
Porsche 944 - 2.5ltr
Porsche 944S - 2.5Ltr
Porsche 944 Turbo and Turbo S

Engine Codes
M44.01, M44.02, M44.03, M44.04, M44.05, M44.06,
M44.07, M44.09, M44.10
M44.40
M44.50, M44.52

Please check Bore Size and Thickness before ordering

Material: MLS (Multi Layer Steel)
Compressed Thickness: .040 inch to 0.098 inch
Bore Shape: Round
Bore Size (MM): 103
Number of layers: 3 to 5

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.

C4273
95110437402
95110437450

The product you are viewing cross references to these numbers
C4274
Product Information
Product Information
Cylinder head gasket - 106mm Bore size
Porsche 944 / 944 S2
MLS (Multi Layer Steel) version

cometic

Fits
Porsche 944 - 2.7ltr
Porsche 944 S2 - 3.0ltr

Engine Codes
M44.11 & M44.12 - 944 2.7ltr / 121KW
M44.41 - 944 S2 3.0ltr / 155KW

Please check Bore Size and Thickness before ordering

Material: MLS (Multi Layer Steel)
Compressed Thickness: .027 inch to 0.120 inch
Bore Shape: Round
Bore Size (MM): 106
Number of layers: 3

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.

C4274
94410439404
94410439451

The product you are viewing cross references to these numbers
Special Order item
90017404440
Product Information
Product Information
Seal dipstick tube. 

porsche

Fits:
Porsche 924S - 1986 to 1988
Porsche 944 / 944 S / 944 S2 - 1985 to 1991
Porsche 968 - 1992 to 1995
Porsche 928 / 928 S / 928 S2 / 928 S4 - 1978 to 1995

Click 'Zoom in' for large parts diagram.
Diagram ref no 10a




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Related, superseded, cross reference or alternative numbers for comparison.

90017404440
90017404440

The product you are viewing cross references to these numbers
1232
Product Information
Product Information
Timing chain service kit. Quality made in Germany.
Contents: Timing chain set (timing chain both shoes and screws), valve cover sealing set (see picture)

nordschleife

Fits:
Porsche 928 S 5.0 (85 - 94) two maintenance kits required
Porsche 928 S4 (86 - 91) two maintenance kits required
Porsche 928 GT (89 - 91) two maintenance kits required
Porsche 928 GTS (91 - 95) two maintenance kits required
Porsche 944 S (86-88)
Porsche 944 S2 (89-91)


Description:
The four-valve technology is one of the sensitive parts of these otherwise robust engines: A regular replacement of the chain and its sliding elements is essential to avoid major damage. Combined with the sealing kit for the valve cover, you will receive all the parts you need to carry out the repair professionally.

Note:
For many vehicles over the years for cost reasons, only the upper shoe and the chain was changed. But even the lower shoe enters and becomes porous. Therefore, better anticipate the risk and take a look under the valve cover.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

1232
1232
94410550101

The product you are viewing cross references to these numbers
703141410
Product Information
Product Information
Victor-Reinz Reinzosil gasket maker valve cover oil sump sealant 300°C 70ml

victorreinz

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

703141410
703141410
PCG04330087
70-31414-10

The product you are viewing cross references to these numbers
Special Order item
95110431103
Product Information
Product Information
Cylinder head water hose flange gasket.
Water hose socket to intermediate plate gasket.

porsche

Fits:
Porsche 944 2.5L Turbo 1985-91 
Engine code: 4450 / 4451 / 4452

Click 'Zoom in' for large parts diagram.
Diagram ref no 21

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

95110431103
95110431103
70-26429-20

The product you are viewing cross references to these numbers
DISPLAYING 17 to 24 (of 24 products)
1 2
About Gaskets & Sets

Engine Gaskets & Gasket Sets – Precision Sealing for Porsche Engines

Engine gaskets are vital components that ensure your Porsche’s engine operates efficiently and leak-free. Positioned between key engine surfaces such as the cylinder head, intake manifold, and oil pan, gaskets maintain a perfect seal against high temperatures, pressures, and fluids.

At Design911, we offer a comprehensive range of engine gaskets, seals, and complete gasket kits for Porsche models of every generation. Each gasket is crafted from high-quality composite, metal, or elastomer materials to withstand the extreme conditions of high-performance engines — ensuring optimal sealing, reduced oil and coolant leaks, and consistent compression.

Whether you’re rebuilding a classic 911 flat-six or servicing a modern turbocharged Porsche engine, our manufacturer-quality gaskets and complete kits guarantee reliability, performance, and peace of mind.

What Do Engine Gaskets and Gasket Sets Do?

Gaskets play a critical role in ensuring that various engine systems — combustion, lubrication, and cooling — remain properly sealed.

Core Functions:

  • Prevent leaks of oil, coolant, air, and combustion gases.
  • Maintain compression between the engine block and cylinder head.
  • Ensure efficient combustion and proper engine pressure balance.
  • Protect internal components from cross-contamination of fluids.

A properly sealed engine not only improves performance and efficiency but also prevents costly long-term damage.

Why Do Gaskets Fail?

Despite their durability, gaskets naturally degrade over time due to extreme heat cycles, pressure variations, and material fatigue.

Common Causes of Gasket Failure Include:

  • Overheating, causing warping or breakdown of the gasket material.
  • Improper installation or torqueing during assembly.
  • Aging materials that harden or crack with use.
  • Chemical degradation from oil or coolant exposure.
  • Uneven pressure or engine vibration, leading to micro-leaks.

Typical symptoms of gasket failure include oil or coolant leaks, reduced compression, overheating, or visible residue at gasket joints.

Why Replace with Precision-Engineered Gaskets and Kits?

Replacing worn or leaking gaskets is essential to maintain proper engine compression, prevent contamination, and restore overall reliability. Our direct-fit gasket sets and kits are designed to meet or exceed Porsche engineering standards, providing complete sealing solutions for rebuilds and maintenance.

Key Benefits:

  • Restores proper sealing and compression integrity.
  • Prevents oil and coolant leaks for cleaner performance.
  • Enhances efficiency and reliability under load.
  • Manufactured from high-grade, heat- and pressure-resistant materials.
  • Available as individual gaskets or complete kits for full rebuilds.
  • Direct-fit compatibility for a wide range of Porsche models.

Our gasket sets are ideal for engine rebuilds, overhauls, and preventive maintenance, ensuring long-term dependability and peak performance.

Highlights:

  • Complete Porsche engine gasket kits and individual components.
  • Precision-engineered for exact sealing performance.
  • Constructed from advanced composite, metal, and elastomer materials.
  • Resistant to heat, pressure, and chemical exposure.
  • Suitable for classic air-cooled and modern water-cooled engines.
  • Ensures leak-free operation and lasting reliability.

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