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Gaskets & Sets

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DISPLAYING 17 to 26 (of 26 products)
1 2
9A21055
Product Information
Product Information
Valve cover gasket.

Fits:
Porsche 991.2 Carrera 2017 - 2018

Diagram ref no 9

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Related, superseded, cross reference or alternative numbers for comparison.

9A21055
887.110
887.120
9A210557100
9A210557101
9A210558100
9A210558101

The product you are viewing cross references to these numbers
9A21055
Product Information
Product Information
Valve Cover Gasket.
The OE Match Valve Cover Gasket is a high-quality replacement engine sealing component designed to provide a secure, leak-free seal between the valve cover and cylinder head. Manufactured to OE specifications for fit, durability and sealing performance, these gaskets help prevent engine oil leaks while protecting critical valvetrain components from dirt, moisture and contamination.  

Fits:
  • Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
  • Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Carrera 4S / GTS 3.0L (420/450 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 2S / GTS 3.0L (420/450 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 4S / GTS 3.0L (420/450 Bhp) 2016-19
  • Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Targa 4S / GTS 3.0L (420/450 Bhp) 2016-19  

Diagram Ref No 9

Constructed from premium heat-resistant gasket materials, the valve cover gaskets are engineered to withstand continuous exposure to engine oil, high operating temperatures, pressure fluctuations and vibration. They play a vital role in maintaining lubrication system integrity, engine cleanliness and long-term engine reliability.  

What This Product Does:
  • Creates a leak-free seal between the valve cover and cylinder head.
  • Prevents engine oil leaks from the valvetrain area.
  • Helps maintain correct engine oil levels and pressure.
  • Protects camshaft and valvetrain components from contamination.
  • Supports efficient engine lubrication.
  • Helps maintain engine cleanliness and reliability.
  • Contributes to long-term engine performance and protection.

Symptoms Of Wear Or Failure:
  • Visible oil leaks around the valve cover.
  • Oil residue on the cylinder head or surrounding engine components.
  • Burning oil smell from oil contacting hot engine surfaces.
  • Oil drips beneath the vehicle.
  • Low engine oil levels between services.
  • Smoke from the engine bay caused by oil leakage.
  • Dirt accumulation around leaking gasket areas.
  • Oil contamination of nearby ignition components in certain applications.
  • Increased engine bay contamination from leaking oil.

Why Replacement Matters:

  • Valve cover gaskets are continuously exposed to engine heat, oil, vibration and thermal cycling. Over time, the gasket material can harden, shrink, crack or lose elasticity, reducing its ability to maintain a proper seal.
  • A failing valve cover gasket can allow engine oil to escape from the cylinder head area, resulting in oil loss, contamination of surrounding components and reduced engine cleanliness. If left unresolved, ongoing oil leaks can contribute to reduced lubrication efficiency, increased engine wear and potential damage to nearby electrical or ignition system components.
  • Replacing a worn valve cover gasket restores proper sealing, prevents oil leaks and helps maintain the integrity of the engine lubrication system. An OE Match replacement provides factory-style fitment, dependable sealing performance and long-term durability, ensuring reliable protection for your Porsche engine and valvetrain assembly.



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

9A21055
9A210557100
9A210557101
9A210558100
9A210558101

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
0PB121139
Product Information
Product Information
Water pump tube gasket.

porsche

Fits:
Porsche 987.2 Boxster 2009-12
Porsche 981 Boxster 2012-16
Porsche 981 Boxster Spyder 2016
Porsche 987.2 Cayman 2009-12
Porsche 981C Cayman 2014-16
Porsche 981 Cayman GT4 2016
Porsche 997.2 Carrera / Turbo 2009-12
Porsche 991.1 Carrera / Turbo 2013-16
Porsche 991.2 Carrera / Turbo 2017>>
Porsche 991 GT3 / GT3 RS / R 2014-17

Click 'Zoom in' for large parts diagram.
Diagram ref no 15

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

0PB121139
9A110632500
0PB121139

The product you are viewing cross references to these numbers
0PB121139/1
Product Information
Product Information
Water pump tube gasket.

elring

Fits:
Porsche 987.2 Boxster 2009-12
Porsche 981 Boxster 2012-16
Porsche 981 Boxster Spyder 2016
Porsche 987.2 Cayman 2009-12
Porsche 981C Cayman 2014-16
Porsche 981 Cayman GT4 2016
Porsche 997.2 Carrera / Turbo 2009-12
Porsche 991.1 Carrera / Turbo 2013-16
Porsche 991.2 Carrera / Turbo 2017>>
Porsche 991 GT3 / GT3 RS / R 2014-17

Click 'Zoom in' for large parts diagram.
Diagram ref no 15

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

0PB121139
9A110632500
0PB121139
273.730

The product you are viewing cross references to these numbers
Special Order item
0PB121149
Product Information
Product Information
Water pump tube gasket.

porsche

Fits:
Porsche 987.2 Boxster 2009-12
Porsche 981 Boxster 2012-16
Porsche 981 Boxster Spyder 2016
Porsche 987.2 Cayman 2009-12
Porsche 981C Cayman 2014-16
Porsche 981 Cayman GT4 2016
Porsche 997.2 Carrera / Turbo 2009-12
Porsche 991.1 Carrera / Turbo 2013-16
Porsche 991.2 Carrera / Turbo 2017>>
Porsche 991 GT3 / GT3 RS / R 2014-17

Click 'Zoom in' for large parts diagram.
Diagram ref no 14

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

0PB121149
9A110632600
0PB121149
273.750

The product you are viewing cross references to these numbers
0PB121149/1
Product Information
Product Information
Water pump tube gasket. Porsche Boxster / Cayman / 997 / 991

elring

Fits:
Porsche 987.2 Boxster 2009-12
Porsche 981 Boxster 2012-16
Porsche 981 Boxster Spyder 2016
Porsche 987.2 Cayman 2009-12
Porsche 981C Cayman 2014-16
Porsche 981 Cayman GT4 2016
Porsche 997.2 Carrera / Turbo 2009-12
Porsche 991.1 Carrera / Turbo 2013-16
Porsche 991.2 Carrera / Turbo 2017>>
Porsche 991 GT3 / GT3 RS / R 2014-17

Click 'Zoom in' for large parts diagram.
Diagram ref no 14

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

0PB121149
9A110632600
0PB121149
273.750

The product you are viewing cross references to these numbers
0PB121228B/1
Product Information
Product Information
Water tube gasket, cyl 1-3.

elring

Fits:
Porsche 981 Boxster 2012-16
Porsche 981 Boxster Spyder 2016
Porsche 981C Cayman 2014-16
Porsche 981C Cayman GT4 2016
Porsche 991.1 Carrera 2012-16
Porsche 991.2 Carrera 2017-18
Porsche 991 Turbo 2014-18

Click 'Zoom in' for large parts diagram.
Diagram ref no 13

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0PB121228B
0PB121228B
0PB121228
9A110231240
273.800

The product you are viewing cross references to these numbers
Special Order item
0PB121327A
Product Information
Product Information
Water tube gasket.

porsche

Fits:
Porsche 991.1 Carrera 2012-16
Porsche 991.2 Carrera 2017-18
Porsche 991 Turbo 2014-18

Click 'Zoom in' for large parts diagram.
Diagram ref no 3

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

0PB121327A
0PB121327A
9A110232220
280.370

The product you are viewing cross references to these numbers
0PB121327A/1
Product Information
Product Information
Water tube gasket.

Fits:
Porsche 991.1 Carrera 2012-16
Porsche 991.2 Carrera 2017-18
Porsche 991 Turbo 2014-18

Diagram ref no 3

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

0PB121327A
0PB121327A
9A110232220
280.370

The product you are viewing cross references to these numbers
DISPLAYING 17 to 26 (of 26 products)
1 2
Also found on these pages
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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