Front crankshaft seal holder. Porsche 356 / 356 A  ❭  53901154

Crankcase lid. 3.6. mm.



Fits:
Porsche Cayenne 955 3.2L 2004-05
Porsche Cayenne 957 3.6L 2008-10
Porsche Cayenne 958 3.6L 2011>>

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Diagram ref no 4

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Related, superseded, cross reference or alternative numbers for comparison.

95510121500

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Crankcase Sealing Plug (Core Plug) A16 
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Restore the integrity of your Porsche engine with this OE Match Crankcase Sealing Plug (Core Plug) A16. This precision-engineered sealing plug provides a secure seal within the crankcase, helping to prevent oil leaks and maintain the integrity of the engine block.

Fits:

• Porsche 955 Cayenne 3.2L V6 2003-06
• Porsche 957 Cayenne 3.0L Diesel 2007-10
• Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17

 Diagram ref no 3

Core plugs play a vital role in sealing machined openings within the engine during manufacture. Over time, corrosion, engine heat and age can cause these plugs to deteriorate, making replacement essential during engine repairs or rebuilds. This OE Match component offers the correct dimensions and fit for dependable sealing and long-term reliability.

Whether you're rebuilding an engine, repairing an oil leak or carrying out preventative maintenance, this OE Match crankcase sealing plug provides a reliable OE-quality solution.

What Does the Crankcase Sealing Plug Do?

The crankcase sealing plug closes a machined opening within the engine block or crankcase.

Its primary functions include:

• Sealing casting and machining openings within the engine.
• Preventing engine oil leaks.
• Maintaining crankcase integrity.
• Helping protect the engine against dirt and moisture ingress.
• Supporting long-term engine reliability.
• Providing a secure, leak-free seal under normal operating conditions.

Although simple in design, the sealing plug is essential for maintaining a properly sealed engine.

Why Does the Crankcase Sealing Plug Fail?

Over time, sealing plugs are exposed to harsh operating conditions.

Common causes of failure include:

• Corrosion caused by moisture and coolant contamination.
• Age-related deterioration.
• Heat cycling causing material fatigue.
• Mechanical damage during engine repairs.
• Incorrect installation.
• Wear associated with high-mileage engines.

A failing core plug can lead to oil leaks, contamination and unnecessary engine repairs if left unattended.

When Should It Be Replaced?

Replacement is recommended when:

• An oil leak is traced to the sealing plug.
• The original plug shows corrosion or damage.
• Carrying out a complete engine rebuild.
• The crankcase has been dismantled.
• Performing preventative maintenance on a high-mileage engine.
• Replacing other crankcase sealing components.

Replacing ageing core plugs during engine work helps avoid future leaks and reduces the likelihood of repeat labour costs.

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

N0119034

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Crankshaft seal with flange.


Fits:
Porsche 955 Cayenne 3.2L 2004-06

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Diagram ref no 14

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

95510115102

The product you are viewing cross references to these numbers