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Cylinder Head / Camshaft Carrier

Fits:
Porsche 955 Cayenne 3.2L 2004-05
Click 'Zoom in' for large parts diagram.
Diagram ref no 21
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95510448300
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne 3.2L V6 2003-06

Fits:
Porsche 955 Cayenne 3.2L 2004-05
Click 'Zoom in' for large parts diagram.
Diagram ref no 21
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95510448300
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- Porsche 955 Cayenne 3.2L V6 2003-06
The OE Match Cylinder Head Cover Gasket is a premium-quality replacement engine sealing component designed to provide a reliable, leak-free seal between the cylinder head cover (valve cover) and the cylinder head on compatible Porsche models. Manufactured to OE specifications for fit, sealing performance and durability, this precision-engineered gasket prevents engine oil leaks while protecting the valvetrain from dirt, moisture and other contaminants.
Fits:
- Porsche 955 Cayenne 3.2L V6 2003-06
Diagram Ref No 21
Manufactured from premium heat-resistant, oil-resistant elastomer, the gasket is engineered to withstand continuous exposure to high engine temperatures, engine oil, pressure fluctuations and repeated thermal cycling without shrinking, hardening or cracking. Precision-moulded to match the original Porsche profile, it provides direct OE-style installation and dependable sealing performance, making it ideal for valve cover replacement, engine servicing or preventative maintenance.
What This Product Does:
- Creates a leak-free seal between the cylinder head cover and cylinder head.
- Prevents engine oil from leaking from the valvetrain.
- Protects internal engine components from dirt and moisture.
- Maintains correct engine oil containment.
- Helps keep the engine bay clean and free from oil contamination.
- Supports reliable engine lubrication and performance.
- Restores factory sealing performance.
- Forms an essential part of the engine lubrication and valvetrain sealing system.
Symptoms Of Wear Or Failure:
- Engine oil leaking around the cylinder head cover.
- Oil residue on the cylinder head or engine block.
- Burning oil smell caused by oil contacting hot exhaust components.
- Oil spots beneath the vehicle.
- Low engine oil level requiring frequent topping up.
- Visible cracking, flattening or hardening of the gasket.
- Oil contamination around ignition coils or spark plug wells where applicable.
- Smoke from the engine bay caused by oil leaking onto hot components.
- Engine bay contamination from oil seepage.
- Premature deterioration of nearby rubber or electrical components due to oil exposure.
Why Replacement Matters:
- The cylinder head cover gasket is continually exposed to high temperatures, hot engine oil and repeated heating and cooling cycles. Over time, the gasket material naturally hardens, shrinks or becomes brittle, reducing its ability to maintain an effective seal.
- A leaking gasket can result in engine oil loss, contamination of ignition components and oil dripping onto hot exhaust parts, creating unpleasant odours and, in severe cases, visible smoke from the engine bay. Continued oil leakage may also reduce lubrication levels and accelerate wear of surrounding components.
- Replacing a worn or damaged gasket with the OE Match Cylinder Head Cover Gasket restores the integrity of the engine sealing system and helps prevent costly oil leaks. Manufactured to OE standards using premium-quality oil- and heat-resistant materials, it provides factory-style fitment, exceptional sealing performance and long-lasting durability, ensuring the reliability, cleanliness and performance expected from your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510448300
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne 3.2L V6 2003-06

Fits:
Porsche 955 Cayenne 3.2L 2004-06
Click 'Zoom in' for large parts diagram.
Diagram ref no 9
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Related, superseded, cross reference or alternative numbers for comparison.
95510438300
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne 3.2L V6 2003-06

Fits:
Porsche 955 Cayenne 3.2L 2004-06
Click 'Zoom in' for large parts diagram.
Diagram ref no 9
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95510438300
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- Porsche 955 Cayenne 3.2L V6 2003-06

Fits:
Porsche 955 Cayenne 3.2L 2004 (002Y)
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Diagram ref no 13
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95510409100
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne 3.2L V6 2003-06
Price is for each.

Fits:
Porsche 955 Cayenne 3.2L 2004-06
Porsche 957 Cayenne 3.6L 2007-10
Porsche 958 Cayenne 3.6L 2010-18
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Diagram ref no 14.
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Related, superseded, cross reference or alternative numbers for comparison.
95510565120
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17

Fits:
Porsche 955 Cayenne 3.2L 2004-06 (model: 022Y)
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Diagram ref no 22
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95510483101
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- Porsche 955 Cayenne 3.2L V6 2003-06
Seals the valve cover to the cylinder head. 6 required, sold each.

Fits:
Porsche 955 Cayenne 3.2L 2004-06
Click 'Zoom in' for large parts diagram.
Diagram ref no 20
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95510448401
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne 3.2L V6 2003-06
Seals the valve cover to the cylinder head. 6 required, sold each.

Fits:
Porsche 955 Cayenne 3.2L 2004-06
Click 'Zoom in' for large parts diagram.
Diagram ref no 20
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510448401
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne 3.2L V6 2003-06
The OE Match Valve Cover Spark Plug Seal is a premium-quality replacement engine sealing component designed to provide a secure, leak-free seal around the spark plug tube where it passes through the valve cover on compatible Porsche models. Manufactured to OE specifications for fit, sealing performance and durability, this precision-engineered seal prevents engine oil from entering the spark plug wells, protecting the ignition system while maintaining the integrity of the engine's lubrication system.
Sold Each.
x6 Required Per Engine.
Fits:
- Porsche 955 Cayenne 3.2L V6 2003-06
Diagram Ref No 20
Manufactured from premium heat-resistant, oil-resistant elastomer, the spark plug seal is engineered to withstand continuous exposure to hot engine oil, elevated engine temperatures and repeated thermal cycling without hardening, shrinking or cracking. Precision-moulded to the original Porsche dimensions, it provides direct OE-style fitment and dependable long-term sealing performance, making it the ideal replacement during valve cover gasket replacement, engine servicing or cylinder head repairs.
What This Product Does:
- Creates a leak-free seal around the spark plug tube.
- Prevents engine oil from entering the spark plug wells.
- Protects ignition coils and spark plugs from oil contamination.
- Maintains the integrity of the valve cover sealing system.
- Helps ensure reliable ignition system performance.
- Supports efficient engine operation.
- Restores factory sealing performance.
- Forms an essential part of the engine valve cover assembly.
Symptoms Of Wear Or Failure:
- Engine oil collecting in the spark plug wells.
- Oil contamination on ignition coils or spark plugs.
- Engine misfires.Rough idle.
- Reduced engine performance.
- Illuminated engine management or check engine warning light.
- Burning oil smell from the engine bay.
- Visible oil leaks around the valve cover.
- Deteriorated, cracked or hardened seal.
- Premature failure of ignition coils caused by oil contamination.
Why Replacement Matters:
- The spark plug seal is continually exposed to hot engine oil, high temperatures and repeated heating and cooling cycles. Over time, the sealing material naturally hardens, flattens or cracks, reducing its ability to prevent oil from leaking into the spark plug wells.
- Oil contamination around the spark plugs and ignition coils can lead to ignition misfires, poor engine performance and premature failure of expensive ignition components. Continued oil leakage may also contribute to increased emissions, reduced fuel efficiency and costly engine repairs if left unresolved.
- Replacing worn spark plug seals whenever the valve cover is removed helps restore the integrity of the engine sealing system and protects the ignition components from oil contamination. The OE Match Valve Cover Spark Plug Seal is manufactured to OE standards using premium oil- and heat-resistant materials, providing factory-style fitment, exceptional sealing performance and long-lasting durability, ensuring the reliability, efficiency and performance expected from your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510448401
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne 3.2L V6 2003-06
Precision Cylinder Head & Camshaft Covers – Engine Protection and Performance for Porsche Models
The cylinder head and camshaft covers play a vital role in protecting key engine components such as the valvetrain, camshafts, and cylinder head from dirt, debris, and oil contamination. Beyond protection, they ensure proper oil sealing and ventilation — maintaining consistent lubrication and pressure balance within the engine.
At Design911, we offer a wide selection of precision-engineered cylinder head and camshaft covers for both classic and modern Porsche engines. Crafted from high-grade aluminium, magnesium, and composite materials, these covers provide a perfect fit and long-lasting reliability while maintaining the clean, professional look expected from Porsche’s performance heritage.
Whether you’re restoring an air-cooled 911 or servicing a high-output 992, our manufacturer-quality components ensure leak-free operation and exceptional durability.
What Do Cylinder Head and Camshaft Covers Do?
These components serve as the protective shell for your engine’s valvetrain and upper oil channels. They keep contaminants out, manage internal pressure, and help maintain consistent lubrication.
Core Functions:
- Seal the upper engine area, preventing oil leaks and contamination.
- Protect the camshafts and valve train from debris and moisture.
- Regulate crankcase ventilation, supporting optimal engine breathing.
- Maintain correct oil flow for cooling and lubrication efficiency.
They are essential not only for reliability but also for maintaining the visual and mechanical integrity of your Porsche’s engine bay.
Why Do Cylinder Head / Camshaft Covers Fail?
Over time, heat, pressure, and oil exposure can degrade materials, seals, and gaskets. These issues can lead to leaks, poor ventilation, and even oil starvation in extreme cases.
Common Causes of Failure Include:
- Cracked or warped covers from repeated heat cycles.
- Degraded seals or gaskets, causing oil leaks.
- Loose or fatigued fasteners, leading to uneven sealing pressure.
- Blocked breather passages, increasing internal pressure.
- Corrosion or contamination in older engines.
Replacing worn covers and seals restores oil control, prevents leaks, and preserves long-term engine health.
Why Replace with Precision-Engineered Covers?
Upgrading or replacing your covers ensures your Porsche engine operates as intended — leak-free, properly ventilated, and visually clean.
Key Benefits:
- Restores sealing performance and eliminates oil leaks.
- Protects vital valvetrain components from dirt and debris.
- Maintains proper crankcase pressure and oil control.
- Crafted from premium materials for superior heat and corrosion resistance.
- Perfect fitment and finish, ensuring long-term reliability.
- Compatible with a wide range of Porsche models, from classics to modern GT cars.
Precision covers also contribute to the engine’s aesthetic, maintaining the refined look Porsche owners expect.
Highlights:
- High-strength cylinder head and camshaft covers for Porsche engines.
- Precision-machined sealing surfaces for long-term oil-tight performance.
- Manufacturer-quality materials – aluminium, magnesium, and composite options.
- Improved oil control and internal ventilation. Ideal for engine rebuilds, upgrades, or restorations.
- Compatible with air-cooled and water-cooled Porsche models.