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Crankcase Parts

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DISPLAYING 1 to 14 (of 14 products)
Special Order item
PAC103154
Product Information
Product Information
Crankcase Oil Spray Jet.
Sold Each.
x4 Required Per Car.


Fits:
Porsche 95B Macan 2.0L MKII / MKIII 2019>>

Diagram Ref No 15

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PAC103154
PAC103154

The product you are viewing cross references to these numbers
Special Order item
PAC103085
Product Information
Product Information
Crankshaft oil seal. 45 x 60 x 8.

porsche

Fits:
Porsche 95B.1 Macan 2.0L 2014-18
Porsche 95B.2 Macan 2.0L 2019-21 T2G
Porsche 95B.3 Macan 2.0L 2012>> T2G
Porsche 9YA Cayenne 2.0L 2017>>

Click 'Zoom in' for large parts diagram.
Diagram ref no 11

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Related, superseded, cross reference or alternative numbers for comparison.

PAC103085
PAC103085
95810308500

The product you are viewing cross references to these numbers
Special Order item
9A7103171
Product Information
Product Information
Crankshaft seal with flange.
This is a genuine OE crankshaft seal used in modern Porsche engines. It is designed to seal the crankshaft at the rear of the engine block, preventing oil leaks while allowing the crankshaft to rotate freely.

Fits:
Porsche 95B.1 Macan 2.0L 2015 - 2018

Porsche 95B.2 Macan 2.0L 2019 - 2021
Porsche 95B.3 Macan 2.0L 2022>>
* option code: T2G -  4-cylinder SI engine 2.0 l unit 06L.D

Porsche 9YA Cayenne 2.0L 01/2017 - 05/2023
* engine code: DFKA / DFK

Diagram ref no 16

What this product does:
Provides a tight seal around the crankshaft flange
 Prevents engine oil leaks that could reduce lubrication or cause damage
 Maintains proper oil pressure and long-term engine performance

Location: Rear of the engine, surrounding the crankshaft flange, positioned before the flywheel or flexplate

Over time, crankshaft seals can wear out, harden, or crack due to constant rotation, oil exposure, and engine heat. Failure may result in:
Oil leaks at the rear of the engine Reduced lubrication and risk of internal engine wear
 Oil contamination of clutch or transmission components

Replacing seal ensures proper sealing, protects against costly oil leaks, and keeps your Porsche engine performing as designed.

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Related, superseded, cross reference or alternative numbers for comparison.

9A7103171
95810317110
95810317100
9A7103171

The product you are viewing cross references to these numbers
9A7103171/1
Product Information
Product Information
Crankshaft seal with flange.

Fits:
Porsche 95B.1 Macan 2.0L 2015 - 2018

Porsche 95B.2 Macan 2.0L 2019 - 2021
Porsche 95B.3 Macan 2.0L 2022>>
* option code: T2G -  4-cylinder SI engine 2.0 l unit 06L.D

Porsche 9YA Cayenne 2.0L 01/2017 - 05/2023
* engine code: DFKA / DFK

Diagram ref no 16

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

9A7103171
95810317110
95810317100
798.660
45216

The product you are viewing cross references to these numbers
9A7103171/2
Product Information
Product Information
Crankshaft seal with flange.
The crankshaft seal with flange is a direct replacement for Porsche Macan (95B) and Cayenne (9YA) models. Mounted at the rear of the engine around the crankshaft flange, it prevents oil leaks while allowing smooth crankshaft rotation. Built to OE specifications, it ensures reliable sealing, durability, and long-term engine protection.

Fits:
Porsche 95B.1 Macan 2.0L 2015 - 2018

Porsche 95B.2 Macan 2.0L 2019 - 2021
Porsche 95B.3 Macan 2.0L 2022>>
* option code: T2G -  4-cylinder SI engine 2.0 l unit 06L.D

Porsche 9YA Cayenne 2.0L 01/2017 - 05/2023
* engine code: DFKA / DFK

Diagram ref no 16

The crankshaft seal with flange prevents engine oil from leaking where the crankshaft exits the rear of the engine block. It works under constant rotation and oil pressure, ensuring the engine remains properly lubricated without losing oil to the outside environment.

Location: Rear of the engine, behind the flywheel/flexplate at the crankshaft flange
Function in system: Works together with the crankshaft and oil pan system to contain oil and maintain internal engine pressure

Over time, crankshaft seals wear out due to heat, oil exposure, and constant motion.
A failing seal can cause:
Visible oil leaks at the rear of the engine
 Oil contamination of clutch or torque converter components
 Loss of oil pressure and increased risk of engine damage

Replacing restores a secure seal, prevents costly oil leaks, and ensures your Porsche engine remains properly protected.

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

9A7103171
95810317110
95810317100
9A7103171

The product you are viewing cross references to these numbers
Special Order item
PAC905377A
Product Information
Product Information
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).
Sold Each.

Fits:

  • Porsche 9YA Cayenne V6 3.0L Petrol (340Hp) 2018-23
  • Porsche 9YA Cayenne Coupe V6 3.0L Petrol (340Hp) 2019-23
  • Porsche 9YA Cayenne S V6 2.9L Petrol (440Hp) 2018-23
  • Porsche 9YA Cayenne Coupe S V6 2.9L Petrol (440Hp) 2019-23
  • Porsche 9YA Cayenne GTS V8 4.0L Petrol (460Hp) 2020-23
  • 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
  • Porsche 9YA.2 Cayenne V6 3.0L Petrol (353Hp) 2023>>
  • Porsche 9YA.2 Cayenne Coupe V6 3.0L (353Hp) 2023>>
  • Porsche 9YA.2 Cayenne S V8 4.0L Petrol (474Hp) 2023>>
  • Porsche 9YA.2 Cayenne S Coupe V8 4.0L (474Hp) 2023>>
  • Porsche 971.1 Panamera V6 3.0L 2WD (330 Hp) 2017-20
  • Porsche 971.1 Panamera 4 V6 3.0L 4WD (330 Hp) 2017-20
  • Porsche 971.1 Panamera 4 V6 3.0L 4WD Executive 2017-20
  • Porsche 971.1 Panamera 4 3.0L Turbocharged V6 Sport Turismo 2017-20
  • Porsche 971.1 Panamera 4S V6 3.0L 4WD (440 Hp) 2017-20
  • Porsche 971.1 Panamera 4S V6 3.0L 4WD Executive 2017-20
  • Porsche 971.1 Panamera 4S 2.9L Twin-Turbo V6 Sport Turismo 2017-20
  • Porsche 971.1 Panamera Turbo V8 4.0L 4WD (550 Hp) 2017-20
  • Porsche 971.1 Panamera Turbo V8 4.0L 4WD Executive 2017-20
  • Porsche 971.1 Panamera Turbo 4.0L Twin-Turbo V8 Sport Turismo 2017-20
  • Porsche 971.2 Panamera 2.9L V6 2021-23
  • Porsche 971.2 Panamera 4 2.9L V6 2021-23
  • Porsche 971.2 Panamera 4 Sport Turismo 2.9L V6 2021-23
  • Porsche 971.2 Panamera 4S 2.9L V6 2021-23
  • Porsche 971.2 Panamera 4S Sport Turismo 2.9L V6 2021-23
  • Porsche 971.2 Panamera GTS 4.0L V8 2021-23
  • Porsche 971.2 Panamera GTS Sport Turismo 4.0L V8 2021-23
  • Porsche 971.2 Panamera Turbo S 4.0L V8 2021-23
  • Porsche 971.2 Panamera Turbo S Sport Turismo 4.0L V8 2021-23
  • Porsche 976 Panamera V6 2.9L 2023>>
  • Porsche 976 Panamera 4 V6 2.9L 2023>>
  • Porsche 95B.2 Macan S Petrol 3.0L V6 (354Bhp) 2019-21
  • 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. 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
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
  • Porsche 9YA Cayenne Coupe V6 3.0L Petrol (340Hp) 2019-23
  • Porsche 9YA Cayenne S V6 2.9L Petrol (440Hp) 2018-23
  • Porsche 9YA Cayenne Coupe S V6 2.9L Petrol (440Hp) 2019-23
  • Porsche 9YA Cayenne GTS V8 4.0L Petrol (460Hp) 2020-23
  • 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
  • Porsche 9YA.2 Cayenne V6 3.0L Petrol (353Hp) 2023>>
  • Porsche 9YA.2 Cayenne Coupe V6 3.0L (353Hp) 2023>>
  • Porsche 9YA.2 Cayenne S V8 4.0L Petrol (474Hp) 2023>>
  • Porsche 9YA.2 Cayenne S Coupe V8 4.0L (474Hp) 2023>>
  • Porsche 971.1 Panamera V6 3.0L 2WD (330 Hp) 2017-20
  • Porsche 971.1 Panamera 4 V6 3.0L 4WD (330 Hp) 2017-20
  • Porsche 971.1 Panamera 4 V6 3.0L 4WD Executive 2017-20
  • Porsche 971.1 Panamera 4 3.0L Turbocharged V6 Sport Turismo 2017-20
  • Porsche 971.1 Panamera 4S V6 3.0L 4WD (440 Hp) 2017-20
  • Porsche 971.1 Panamera 4S V6 3.0L 4WD Executive 2017-20
  • Porsche 971.1 Panamera 4S 2.9L Twin-Turbo V6 Sport Turismo 2017-20
  • Porsche 971.1 Panamera Turbo V8 4.0L 4WD (550 Hp) 2017-20
  • Porsche 971.1 Panamera Turbo V8 4.0L 4WD Executive 2017-20
  • Porsche 971.1 Panamera Turbo 4.0L Twin-Turbo V8 Sport Turismo 2017-20
  • Porsche 971.2 Panamera 2.9L V6 2021-23
  • Porsche 971.2 Panamera 4 2.9L V6 2021-23
  • Porsche 971.2 Panamera 4 Sport Turismo 2.9L V6 2021-23
  • Porsche 971.2 Panamera 4S 2.9L V6 2021-23
  • Porsche 971.2 Panamera 4S Sport Turismo 2.9L V6 2021-23
  • Porsche 971.2 Panamera GTS 4.0L V8 2021-23
  • Porsche 971.2 Panamera GTS Sport Turismo 4.0L V8 2021-23
  • Porsche 971.2 Panamera Turbo S 4.0L V8 2021-23
  • Porsche 971.2 Panamera Turbo S Sport Turismo 4.0L V8 2021-23
  • Porsche 976 Panamera V6 2.9L 2023>>
  • Porsche 976 Panamera 4 V6 2.9L 2023>>
  • Porsche 95B.2 Macan S Petrol 3.0L V6 (354Bhp) 2019-21
  • 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
PAF911679/1
Product Information
Product Information
Magnetic oil drain plug. M 14 x 1.5

Fits:
Porsche 958 Cayenne 3.0L Diesel 2012-18
Porsche 9YA Cayenne 3.0L / S 2.9L 2018>>
Porsche 9YA Cayenne 4.0 V8 Turbo 2018>>
Porsche 970 Panamera 3.0L Diesel 2012-16
Porsche 971 Panamera 3.0L / S 2.9L 2017>>
Porsche 971 Panamera 4.0L V8 Diesel 2017>>
Porsche 971 Panamera 4.0L V8 Turbo 2017>>
Porsche 95B Macan V6 TDI 3.0L 2014-18

Diagram ref no 30


A magnetic sump oil drain plug is a type of oil drain plug that contains a small magnet designed to attract and capture metallic particles that may be present in your engine's oil. While this type of drain plug is not exclusive to Porsche and can be used in various vehicles, it can provide several benefits, including:

Improved Engine Longevity: The magnet in the drain plug helps to capture tiny metal particles, such as iron, steel, or aluminum, that may circulate in the engine oil. Removing these particles can reduce wear and tear on engine components, potentially extending the engine's lifespan.

Enhanced Engine Performance: By reducing the presence of contaminants in the oil, a magnetic drain plug can help maintain the oil's lubricating properties, which is crucial for smooth engine operation. Clean oil can also contribute to improved fuel efficiency.

Early Detection of Problems: As the magnetic drain plug collects metallic debris, it can serve as an early warning system. By inspecting the drain plug during oil changes, you can get an idea of the engine's condition and detect any unusual wear or damage before it becomes a major issue.

Reduced Maintenance Costs: Regularly inspecting and cleaning a magnetic drain plug can prevent larger issues from developing over time. Addressing potential problems early can save you money on more extensive repairs down the road.

Peace of Mind: Knowing that you are taking steps to protect your engine from premature wear and tear can give you peace of mind as a vehicle owner. It's a relatively inexpensive and simple modification that can provide added assurance.

Easy Installation: Magnetic drain plugs are typically straightforward to install. They often replace the existing drain plug and require no special tools or modifications.

While magnetic drain plugs can offer these benefits, it's essential to remember that they are not a substitute for regular oil changes and proper maintenance. Regular oil changes with the appropriate oil and filter are still crucial for the health and longevity of your engine. Additionally, magnetic drain plugs may not capture all types of contaminants, so they should be seen as a supplementary measure rather than a comprehensive solution.



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

PAF911679
PAF911679
N0160276
N91167901

The product you are viewing cross references to these numbers
Special Order item
N0138495
Product Information
Product Information
Sump plug washer. A 14 x 20.

porsche

Fits:
Porsche 958 Cayenne 3.0L Diesel 2012-18
Porsche 9YA Cayenne 3.0L / S 2.9L 2018>>
Porsche 9YA Cayenne 4.0 V8 Turbo 2018>>
Porsche 970 Panamera 3.0L Diesel 2012-16
Porsche 971 Panamera 3.0L / S 2.9L 2017>>
Porsche 971 Panamera 4.0L V8 Diesel 2017>>
Porsche 971 Panamera 4.0L V8 Turbo 2017>>
Porsche 95B Macan V6 TDI 3.0L 2014-18

Click 'Zoom in' for large parts diagram.
Diagram ref no 31

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

N0138495
N0138157
N0138494
N0138495
N0138498
N0160276
N91167901

The product you are viewing cross references to these numbers
Special Order item
PAF013849
Product Information
Product Information
Sump plug washer. A 14 x 20.

Fits:
Porsche 958 Cayenne 3.0L Diesel 2012-18
Porsche 9YA Cayenne 3.0L / S 2.9L 2018>>
Porsche 971 Panamera 3.0L / S 2.9L 2017>>
Porsche 976 Panamera 2.9L 2023>>
Porsche 95B.2 Macan 2.9L 2019-21

Diagram Ref No 31

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

PAF013849
PAF013849

The product you are viewing cross references to these numbers
Special Order item
PAF911679
Product Information
Product Information
Oil drain plug. M 14 x 1.5

porsche

Fits:
Porsche 958 Cayenne 3.0L Diesel 2012-18
Porsche 9YA Cayenne 3.0L / S 2.9L 2018>>
Porsche 9YA Cayenne 4.0 V8 Turbo 2018>>
Porsche 970 Panamera 3.0L Diesel 2012-16
Porsche 971 Panamera 3.0L / S 2.9L 2017>>
Porsche 971 Panamera 4.0L V8 Diesel 2017>>
Porsche 971 Panamera 4.0L V8 Turbo 2017>>
Porsche 95B Macan V6 TDI 3.0L 2014-18

Click 'Zoom in' for large parts diagram.
Diagram ref no 30

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

PAF911679
PAF911679
N0160276
N91167901

The product you are viewing cross references to these numbers
Special Order item
95810921000
Product Information
Product Information
Timing chain cover with radial seal. 

porsche

Fits:
Porsche 95B.1 Macan 2.0L 2014-18
Porsche 95B.2 Macan 2.0L 2019-21 T2G
Porsche 95B.3 Macan 2.0L 20122>> T2G

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



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

95810921000
95810921000
06K109210M

The product you are viewing cross references to these numbers
95810921000/2
Product Information
Product Information
Timing Chain Cover With Seal.
The OE Match Timing Chain Cover with Seal is a high-quality replacement engine component designed to enclose and protect the timing chain assembly while providing a secure oil-tight seal. Manufactured to OE specifications for fit, durability and sealing performance, this cover safeguards critical timing system components from contamination and helps maintain proper engine lubrication.  

Fits:
  • Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18
  • Porsche 95B.2 Macan Petrol 2.0L (245Bhp) 2019-21
  • Porsche 95B.3 Macan Petrol 2.0L (265Bhp) 2022>>

Diagram Ref No 10  

Supplied complete with an integrated seal, the timing chain cover forms an essential barrier between the engine's internal timing components and the external environment. Constructed from robust, heat-resistant materials, it is engineered to withstand continuous exposure to engine oil, vibration, pressure fluctuations and extreme operating temperatures.  

What This Product Does:
  • Encloses and protects the engine timing chain assembly.
  • Prevents dirt, moisture and debris from entering the timing system.
  • Maintains an oil-tight seal around timing components.
  • Helps retain proper engine oil pressure and lubrication.
  • Protects timing chains, guides and tensioners from contamination.
  • Supports reliable engine timing system operation.
  • Helps reduce the risk of oil leaks.
  • Contributes to long-term engine reliability and performance.

Symptoms Of Wear Or Failure:
  • Engine oil leaks from the front or side of the engine.
  • Visible oil residue around the timing cover area.
  • Deteriorated or damaged sealing surfaces.
  • Cracked or warped timing cover housing.
  • Oil spots beneath the vehicle.
  • Burning oil smell from oil contacting hot engine components.
  • Contamination entering the timing chain housing.
  • Increased engine bay dirt accumulation around leak areas.
  • Premature wear of timing system components due to contamination.

Why Replacement Matters:

  • The timing chain cover plays a critical role in protecting the engine's timing system and maintaining proper lubrication. Over time, the cover or seal can become damaged due to heat cycles, vibration, ageing, impact damage or gasket deterioration. When this occurs, oil leaks and contamination can compromise the performance and longevity of the timing assembly.
  • A leaking timing chain cover can lead to oil loss, engine bay contamination and accelerated wear of timing chains, guides and tensioners. If left unresolved, lubrication issues and contamination may result in expensive engine repairs and reduced engine reliability.
  • Replacing a worn or damaged timing chain cover with seal restores proper protection for the timing assembly and prevents oil leakage. An OE Match replacement provides factory-style fitment, dependable sealing performance and long-lasting durability, helping to maintain engine efficiency, reliability and the performance expected from your Porsche.



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

95810921000
95810921000

The product you are viewing cross references to these numbers
95810921000/1
Product Information
Product Information
Timing chain cover with radial seal. 


elring

Fits:
Porsche 95B Macan 2.0ltr

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



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

95810921000
95810921000
06K109210M

The product you are viewing cross references to these numbers
DISPLAYING 1 to 14 (of 14 products)
Also found on these pages
About Crankcase Parts

Precision Crankcase Parts – Strength, Balance, and Reliability for Porsche Engines

The crankcase forms the core of every Porsche engine, housing key rotating components such as the crankshaft, bearings, and connecting rods. It provides structural rigidity, oil containment, and precise alignment for the engine’s moving parts — making it critical to both performance and longevity.

At Design911, we offer a wide range of precision-engineered crankcase components, including bearing shells, seals, breather valves, dowels, plugs, and fasteners, all manufactured to exacting tolerances. Each part is crafted from high-strength, heat-resistant materials to ensure lasting durability and performance under the most demanding driving conditions.

Whether you’re restoring an air-cooled 911 or maintaining a modern 992, our manufacturer-quality crankcase parts ensure perfect fitment, oil-tight sealing, and reliable performance for years to come.

What Do Crankcase Parts Do?

Crankcase components perform vital structural and lubrication roles within the engine, protecting internal parts and maintaining pressure balance.

Core Functions:

  • House and support the crankshaft, connecting rods, and bearings.
  • Contain and distribute oil to lubricate moving components.
  • Maintain structural rigidity to prevent vibration and misalignment.
  • Control crankcase ventilation to reduce oil contamination and pressure build-up.

In performance and classic Porsche engines alike, the crankcase ensures stability, smooth rotation, and reliable oil management — key to consistent power and reduced wear.

Why Do Crankcase Parts Fail?

Over time, crankcase components can degrade due to heat cycles, vibration, oil contamination, and mechanical fatigue. When neglected, these failures can lead to oil leaks, pressure imbalance, and even catastrophic engine damage.

Common Causes of Failure Include:

  • Oil seal wear causing leaks and pressure loss.
  • Bearing fatigue from prolonged high load or low oil pressure.
  • Warped surfaces due to overheating or corrosion.
  • Clogged breather valves causing pressure build-up and oil blow-by.
  • Fastener fatigue leading to structural loosening or vibration.

Replacing worn crankcase parts during an engine rebuild or maintenance interval is essential to preserve oil control, alignment, and crankshaft integrity.

Why Replace with Precision-Engineered Crankcase Parts?

High-quality crankcase components ensure your Porsche engine retains its strength, sealing capability, and precise alignment — essential for performance, reliability, and longevity.

Key Benefits:

  • Restores internal alignment for smooth crankshaft rotation.
  • Prevents oil leaks and pressure loss, maintaining engine performance.
  • Improves lubrication control and bearing life.
  • Reduces vibration and noise caused by worn or loose components.
  • Crafted from corrosion- and heat-resistant materials for lasting strength.
  • Perfect fitment and tolerance for air-cooled and water-cooled Porsche engines.

Engineers and restorers trust precision crankcase parts to maintain Porsche’s legendary reliability and mechanical balance — whether on the road or the track.

Highlights:

  • Comprehensive range of crankcase seals, bearings, bolts, and breather components.
  • Precision-machined parts designed for high-load, high-temperature performance.
  • Manufacturer-quality materials and tolerances.
  • Perfect for classic engine restorations and high-performance rebuilds.
  • Improves oil management, structural rigidity, and reliability.
  • Compatible with air-cooled and modern Porsche engine architectures.

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