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Porsche > Panamera 976 2023>> > Engine Rebuild Parts > Crankcase Parts >

Crankcase sealing plug A16. Porsche Cayenne 955 / 957 / 958  ❭  N0119034

Crankcase sealing plug A16. Porsche Cayenne 955 / 957 / 958 - 110262, 110 262, N0119034
2
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N0119034/1
Product Information
Product Information

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
110262
110 262
N0119034

The product you are viewing cross references to these numbers
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Diagram Ref No 31

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Knock Sensor. Porsche 95B.2 / 971.1 / 971.2 / 976 / 9YA / 9YA.2 - PAC905377A
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Knock Sensor.

The Knock Sensor is a vital engine management sensor designed to detect abnormal combustion events, commonly known as engine knock or detonation. Mounted directly to the engine block, the sensor continuously monitors engine vibrations and sends real-time data to the engine control unit (ECU).
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Fits:

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  • Porsche 971.1 Panamera 4 3.0L Turbocharged V6 Sport Turismo 2017-20
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Diagram Ref No 10

When knock is detected, the ECU can instantly adjust ignition timing and other engine parameters to protect the engine from damage while maintaining optimal performance. Manufactured to OEM-quality standards, the knock sensor provides accurate detection, reliable communication with the ECU, and long-term durability in demanding engine environments.

What This Product Does:

  • Monitors engine vibrations for signs of knock or detonation
  • Sends real-time data to the engine control unit (ECU)
  • Allows the ECU to adjust ignition timing when necessary
  • Helps optimise engine performance and efficiency
  • Protects internal engine components from combustion-related damage
  • Supports smooth engine operation under varying loads and conditions

Symptoms Of Wear Or Failure:
  • Check engine light illumination
  • Engine knock or pinging noises under acceleration
  • Reduced engine performance and power output
  • Poor fuel economy
  • Engine hesitation or sluggish throttle response
  • Incorrect ignition timing adjustments
  • Increased emissions Knock sensor-related fault codes stored in the ECU

Why Replacement Matters:
  • Restores accurate detection of engine knock and detonation
  • Allows proper ignition timing adjustment by the ECU
  • Helps maximise engine performance and fuel efficiency
  • Protects pistons, valves, and other internal engine components from damage
  • Reduces the risk of long-term engine wear caused by uncontrolled detonation
  • Maintains emissions compliance and engine efficiency
  • Prevents unnecessary engine management faults and warning lights
  • Ensures reliable communication between the engine and ECU for optimum operation



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

PAC905377A
PAC905377A

The product you are viewing cross references to these numbers
Knock Sensor. Porsche 95B.2 / 971.1 / 971.2 / 976 / 9YA / 9YA.2 - PAC905377A - 0261231337
2
Knock Sensor. Porsche 95B.2 / 971.1 / 971.2 / 976 / 9YA / 9YA.2
PAC905377A/1
Product Information
Product Information
Knock Sensor.

The BOSCH Knock Sensor is a vital engine management sensor designed to detect abnormal combustion events, commonly known as engine knock or detonation. Mounted directly to the engine block, the sensor continuously monitors engine vibrations and sends real-time data to the engine control unit (ECU).
Sold Each.

Fits:

  • Porsche 9YA Cayenne V6 3.0L Petrol (340Hp) 2018-23
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  • Porsche 9YA Cayenne Coupe GTS V8 4.0L Petrol (460Hp) 2021-23
  • Porsche 9YA Cayenne Turbo V8 4.0L Petrol (550Hp) 2020-23
  • Porsche 9YA Cayenne Coupe Turbo V8 4.0L Petrol (550Hp) 2019-23
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  • Porsche 9YA.2 Cayenne Coupe V6 3.0L (353Hp) 2023>>
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  • Porsche 9YA.2 Cayenne S Coupe V8 4.0L (474Hp) 2023>>
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  • Porsche 95B.2 Macan GTS Petrol 2.9L V6 (380Bhp) 2019-21
  • Porsche 95B.2 Macan Turbo 2.9L V6 (440Bhp) 2019-21

  
Diagram Ref No 10

When knock is detected, the ECU can instantly adjust ignition timing and other engine parameters to protect the engine from damage while maintaining optimal performance. The BOSCH knock sensor provides accurate detection, reliable communication with the ECU, and long-term durability in demanding engine environments.

What This Product Does:

  • Monitors engine vibrations for signs of knock or detonation
  • Sends real-time data to the engine control unit (ECU)
  • Allows the ECU to adjust ignition timing when necessary
  • Helps optimise engine performance and efficiency
  • Protects internal engine components from combustion-related damage
  • Supports smooth engine operation under varying loads and conditions

Symptoms Of Wear Or Failure:
  • Check engine light illumination
  • Engine knock or pinging noises under acceleration
  • Reduced engine performance and power output
  • Poor fuel economy
  • Engine hesitation or sluggish throttle response
  • Incorrect ignition timing adjustments
  • Increased emissions Knock sensor-related fault codes stored in the ECU

Why Replacement Matters:
  • Restores accurate detection of engine knock and detonation
  • Allows proper ignition timing adjustment by the ECU
  • Helps maximise engine performance and fuel efficiency
  • Protects pistons, valves, and other internal engine components from damage
  • Reduces the risk of long-term engine wear caused by uncontrolled detonation
  • Maintains emissions compliance and engine efficiency
  • Prevents unnecessary engine management faults and warning lights
  • Ensures reliable communication between the engine and ECU for optimum operation



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

PAC905377A
PAC905377A

The product you are viewing cross references to these numbers