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Crankcase Parts

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DISPLAYING 1 to 16 (of 41 products)
1 2 3
Special Order item
94610724075
Product Information
Product Information
Crankcase Breather Line, LEFT.

The Crankcase Breather Line – Left is a genuine Porsche engine ventilation component designed to regulate crankcase pressure on the left-hand side of the engine. As part of the Positive Crankcase Ventilation (PCV) system, this breather hose routes combustion blow-by gases safely back into the intake system for controlled reburning.

Fits:

  • Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
  • Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
  • Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16

Diagram Ref No 5

What This Product Does:
  • Relieving excess crankcase pressure
  • Routing blow-by gases back into the intake system
  • Supporting correct PCV system operation
  • Preventing pressure-related oil leaks
  • Reducing sludge formation and internal contamination

Symptoms Of Wear Or Failure:
  • Rough or unstable idle
  • Check Engine Light illumination
  • Oil leaks from valve covers or engine seals
  • Increased oil consumption
  • Whistling or hissing sounds (vacuum leak)
  • Sludge build-up inside the engine
  • Oil residue around hose connections

Why Replacement Matters:
  • Restore proper crankcase pressure regulation
  • Prevent oil leaks and gasket damage
  • Improve engine performance and efficiency
  • Maintain emissions system compliance
  • Avoid expensive engine repairs



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Related, superseded, cross reference or alternative numbers for comparison.

94610724075
94610724075

The product you are viewing cross references to these numbers
94610724075/1
Product Information
Product Information
Crankcase Breather Line, LEFT.

The Crankcase Breather Line – Left is a OE MATCH engine ventilation component designed to regulate crankcase pressure on the left-hand side of the engine. As part of the Positive Crankcase Ventilation (PCV) system, this breather hose routes combustion blow-by gases safely back into the intake system for controlled reburning.

Fits:

  • Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
  • Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
  • Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16

Diagram Ref No 5

What This Product Does:
  • Relieving excess crankcase pressure
  • Routing blow-by gases back into the intake system
  • Supporting correct PCV system operation
  • Preventing pressure-related oil leaks
  • Reducing sludge formation and internal contamination

Symptoms Of Wear Or Failure:
  • Rough or unstable idle
  • Check Engine Light illumination
  • Oil leaks from valve covers or engine seals
  • Increased oil consumption
  • Whistling or hissing sounds (vacuum leak)
  • Sludge build-up inside the engine
  • Oil residue around hose connections

Why Replacement Matters:
  • Restore proper crankcase pressure regulation
  • Prevent oil leaks and gasket damage
  • Improve engine performance and efficiency
  • Maintain emissions system compliance
  • Avoid expensive engine repairs



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

94610724075
94610724075

The product you are viewing cross references to these numbers
Special Order item
94610723975
Product Information
Product Information
Crankcase Breather Line, RIGHT.

The Crankcase Breather Line – Right is a genuine Porsche engine ventilation component designed to regulate crankcase pressure on the right-hand side of the engine. As part of the Positive Crankcase Ventilation (PCV) system, this breather line routes blow-by gases safely back into the intake system, maintaining correct internal pressure and supporting emissions control.

Fits:

  • Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
  • Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
  • Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
  
Diagram Ref No 7

What This Product Does:

  • Ventilating excess crankcase pressure
  • Routing blow-by gases back into the intake system
  • Supporting proper PCV system operation
  • Preventing oil seal and gasket damage caused by pressure build-up
  • Helping reduce sludge formation and oil contamination

Symptoms Of Wear Or Failure:
  • Rough idle or unstable engine performance
  • Check Engine Light illumination
  • Oil leaks from valve covers or engine seals
  • Increased oil consumption
  • Whistling or hissing noises (vacuum leak)
  • Sludge build-up in the engine
  • Oil residue around hose connections

Why Replacement Matters:
  • Restore proper crankcase pressure regulation
  • Prevent oil leaks and gasket failure
  • Improve engine performance and efficiency
  • Maintain emissions system integrity
  • Avoid expensive engine repairs



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

94610723975
94610723975

The product you are viewing cross references to these numbers
94610723975/1
Product Information
Product Information
Crankcase Breather Line, RIGHT.

The Crankcase Breather Line – Right is a OE MATCH engine ventilation component designed to regulate crankcase pressure on the right-hand side of the engine. As part of the Positive Crankcase Ventilation (PCV) system, this breather line routes blow-by gases safely back into the intake system, maintaining correct internal pressure and supporting emissions control.

Fits:

  • Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
  • Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
  • Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
  
Diagram Ref No 7

What This Product Does:

  • Ventilating excess crankcase pressure
  • Routing blow-by gases back into the intake system
  • Supporting proper PCV system operation
  • Preventing oil seal and gasket damage caused by pressure build-up
  • Helping reduce sludge formation and oil contamination

Symptoms Of Wear Or Failure:
  • Rough idle or unstable engine performance
  • Check Engine Light illumination
  • Oil leaks from valve covers or engine seals
  • Increased oil consumption
  • Whistling or hissing noises (vacuum leak)
  • Sludge build-up in the engine
  • Oil residue around hose connections

Why Replacement Matters:
  • Restore proper crankcase pressure regulation
  • Prevent oil leaks and gasket failure
  • Improve engine performance and efficiency
  • Maintain emissions system integrity
  • Avoid expensive engine repairs



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

94610723975
94610723975

The product you are viewing cross references to these numbers
Special Order item
94610724701
Product Information
Product Information
Crankcase Breather Line.
The Crankcase Breather Line is a genuine Porsche engine ventilation hose designed to regulate pressure within the crankcase and support proper Positive Crankcase Ventilation (PCV) system operation. This line routes blow-by gases safely from the crankcase back into the intake system for controlled combustion.

Fits:
  • Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
  • Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
  • Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
  • Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
  
Diagram Ref No 6

What This Product Does:

  • Relieving excess crankcase pressure caused by combustion gases
  • Routing blow-by gases back into the intake system
  • Supporting correct PCV system function
  • Reducing oil vapour contamination
  • Helping prevent sludge build-up inside the engine

Symptoms Of Wear Or Failure:
  • Rough or unstable idle
  • Check Engine Light illumination
  • Oil leaks from seals or gaskets
  • Increased oil consumption
  • Whistling or hissing sounds (vacuum leak)
  • Excessive exhaust smoke
  • Oil residue around breather or intake components

Why Replacement Matters:
  • Restore correct crankcase pressure balance
  • Prevent oil leaks and vacuum issues
  • Improve engine performance and efficiency
  • Maintain emissions system compliance
  • Avoid costly engine repairs



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

94610724701
94610724701

The product you are viewing cross references to these numbers
94610724701/1
Product Information
Product Information
Crankcase Breather Line.
The Crankcase Breather Line is a OE MATCH engine ventilation hose designed to regulate pressure within the crankcase and support proper Positive Crankcase Ventilation (PCV) system operation. This line routes blow-by gases safely from the crankcase back into the intake system for controlled combustion.

Fits:
  • Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
  • Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
  • Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
  • Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
  
Diagram Ref No 6

What This Product Does:

  • Relieving excess crankcase pressure caused by combustion gases
  • Routing blow-by gases back into the intake system
  • Supporting correct PCV system function
  • Reducing oil vapour contamination
  • Helping prevent sludge build-up inside the engine

Symptoms Of Wear Or Failure:
  • Rough or unstable idle
  • Check Engine Light illumination
  • Oil leaks from seals or gaskets
  • Increased oil consumption
  • Whistling or hissing sounds (vacuum leak)
  • Excessive exhaust smoke
  • Oil residue around breather or intake components

Why Replacement Matters:
  • Restore correct crankcase pressure balance
  • Prevent oil leaks and vacuum issues
  • Improve engine performance and efficiency
  • Maintain emissions system compliance
  • Avoid costly engine repairs



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

94610724701
94610724701

The product you are viewing cross references to these numbers
Special Order item
95810116103
Product Information
Product Information
Crankcase flange gasket (metal).

porsche

Fits:
Porsche 958 Cayenne 3.0L Diesel 2014-18
Porsche 970 Panamera 3.0L Diesel 2014-16
Porsche 95B Macan 3.0 Diesel 2014-18

Click 'Zoom in' for large parts diagram.
Diagram ref no 28

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

95810116103
95810116103
122.476
95810116102
95810116101

The product you are viewing cross references to these numbers
95810116103/1
Product Information
Product Information
Crankcase flange gasket (metal).

Fits:
Porsche 958 Cayenne 3.0L Diesel 2014-18
Porsche 970 Panamera 3.0L Diesel 2014-16
Porsche 95B Macan 3.0 Diesel 2014-18

Diagram ref no 28

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

95810116103
95810116103
122.476
95810116102
95810116101

The product you are viewing cross references to these numbers
Special Order item
95810116102
Product Information
Product Information
Crankcase flange gasket (rubber).

porsche

Fits:
Porsche 958 Cayenne 3.0L Diesel 2011-13
Porsche 970 Panamera 3.0L Diesel 2010-13

Click 'Zoom in' for large parts diagram.
Diagram ref no 28

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

95810116102
95810116102
95810116101
122.472

The product you are viewing cross references to these numbers
95810116102/1
Product Information
Product Information
Crankcase flange gasket (rubber).

elring

Fits:
Porsche 958 Cayenne 3.0L Diesel 2011-13
Porsche 970 Panamera 3.0L Diesel 2010-13

Click 'Zoom in' for large parts diagram.
Diagram ref no 28

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

95810116102
95810116102
95810116101
122.472

The product you are viewing cross references to these numbers
Special Order item
94810724520
Product Information
Product Information
Crankcase Housing Breather Line.

The Crankcase Housing Breather Line is a genuine Porsche engine ventilation component designed to regulate internal crankcase pressure and route blow-by gases safely back into the intake system. As part of the Positive Crankcase Ventilation (PCV) system, this hose ensures balanced airflow and proper pressure control within the engine.

Fits:

  • Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
  • Porsche 970.1 Panamera S V8 4.8L 2009-13
  • Porsche 970.1 Panamera 4S V8 4.8L 2009-13
  • Porsche 970.1 Panamera GTS V8 4.8L 2011-13
  • Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16 
 
Diagram Ref No 5

What This Product Does:

  • Relieving excess crankcase pressure caused by combustion blow-by gases
  • Routing gases back into the intake system for controlled reburning
  • Supporting proper PCV system function
  • Reducing oil vapour contamination
  • Helping prevent sludge build-up and gasket failure

Symptoms Of Wear Or Failure:
  • Rough or unstable idle
  • Check Engine Light illumination
  • Oil leaks from seals or gaskets
  • Increased oil consumption
  • Whistling or hissing noises (vacuum leak)
  • Excessive exhaust smoke
  • Oil residue around breather connections

Why Replacement Matters:
  • Restore proper crankcase pressure regulation
  • Prevent oil leaks and vacuum-related issues
  • Improve engine performance and efficiency
  • Protect intake components from oil contamination
  • Avoid costly engine repairs



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

94810724520
94810724520

The product you are viewing cross references to these numbers
94810724520/1
Product Information
Product Information
Crankcase Housing Breather Line.

The Crankcase Housing Breather Line is a OE MATCH engine ventilation component designed to regulate internal crankcase pressure and route blow-by gases safely back into the intake system. As part of the Positive Crankcase Ventilation (PCV) system, this hose ensures balanced airflow and proper pressure control within the engine.

Fits:

  • Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
  • Porsche 970.1 Panamera S V8 4.8L 2009-13
  • Porsche 970.1 Panamera 4S V8 4.8L 2009-13
  • Porsche 970.1 Panamera GTS V8 4.8L 2011-13
  • Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16 
 
Diagram Ref No 5

What This Product Does:

  • Relieving excess crankcase pressure caused by combustion blow-by gases
  • Routing gases back into the intake system for controlled reburning
  • Supporting proper PCV system function
  • Reducing oil vapour contamination
  • Helping prevent sludge build-up and gasket failure

Symptoms Of Wear Or Failure:
  • Rough or unstable idle
  • Check Engine Light illumination
  • Oil leaks from seals or gaskets
  • Increased oil consumption
  • Whistling or hissing noises (vacuum leak)
  • Excessive exhaust smoke
  • Oil residue around breather connections

Why Replacement Matters:
  • Restore proper crankcase pressure regulation
  • Prevent oil leaks and vacuum-related issues
  • Improve engine performance and efficiency
  • Protect intake components from oil contamination
  • Avoid costly engine repairs



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

94810724520
94810724520

The product you are viewing cross references to these numbers
Special Order item
94810724571
Product Information
Product Information
Crankcase Housing Breather Line.

The Crankcase Housing Breather Line is a genuine Porsche engine ventilation component designed to regulate pressure within the crankcase and route blow-by gases back into the intake or emissions system. This breather line forms part of the Positive Crankcase Ventilation (PCV) system, ensuring controlled airflow and proper engine pressure balance.

Fits:

  • Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
  • Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
  • Porsche 970.2 Panamera Turbo V8 Executive 2014-16
  
Diagram Ref No 5

What This Product Does:

  • Ventilating excess crankcase pressure caused by combustion blow-by gases
  • Routing vapours safely back into the intake system
  • Supporting proper PCV system operation
  • Reducing oil contamination and sludge build-up
  • Maintaining stable internal engine pressure

Symptoms Of Wear Or Failure:
  • Rough idle or unstable engine performance
  • Check Engine Light illumination
  • Oil leaks from seals or gaskets due to excess pressure
  • Increased oil consumption
  • Whistling or hissing sounds (vacuum leak)
  • Sludge build-up within the engine
  • Oil residue around breather connections

Why Replacement Matters:
  • Restore correct crankcase pressure regulation
  • Prevent oil leaks and gasket failure
  • Improve engine performance and efficiency
  • Maintain emissions system integrity
  • Avoid expensive engine repairs



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

94810724571
94810724571

The product you are viewing cross references to these numbers
94810724571/1
Product Information
Product Information
Crankcase Housing Breather Line.

The Crankcase Housing Breather Line is a OE MATCH engine ventilation component designed to regulate pressure within the crankcase and route blow-by gases back into the intake or emissions system. This breather line forms part of the Positive Crankcase Ventilation (PCV) system, ensuring controlled airflow and proper engine pressure balance.

Fits:

  • Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
  • Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
  • Porsche 970.2 Panamera Turbo V8 Executive 2014-16
  
Diagram Ref No 5

What This Product Does:

  • Ventilating excess crankcase pressure caused by combustion blow-by gases
  • Routing vapours safely back into the intake system
  • Supporting proper PCV system operation
  • Reducing oil contamination and sludge build-up
  • Maintaining stable internal engine pressure

Symptoms Of Wear Or Failure:
  • Rough idle or unstable engine performance
  • Check Engine Light illumination
  • Oil leaks from seals or gaskets due to excess pressure
  • Increased oil consumption
  • Whistling or hissing sounds (vacuum leak)
  • Sludge build-up within the engine
  • Oil residue around breather connections

Why Replacement Matters:
  • Restore correct crankcase pressure regulation
  • Prevent oil leaks and gasket failure
  • Improve engine performance and efficiency
  • Maintain emissions system integrity
  • Avoid expensive engine repairs



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

94810724571
94810724571

The product you are viewing cross references to these numbers
Special Order item
95810115010
Product Information
Product Information
Crankshaft seal with flange.

porsche

Fits:
Porsche 958 Cayenne 3.0L HYBRID 2012-18
Porsche 970 Panamera 3.0L HYBRID 2012-16

Click 'Zoom in' for large parts diagram.
Diagram ref no 25

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

95810115010
95810115010
728.550

The product you are viewing cross references to these numbers
95810115010/1
Product Information
Product Information
Crankshaft seal with flange.

Fits:
Porsche 958 Cayenne 3.0L HYBRID 2012-18
Porsche 970 Panamera 3.0L HYBRID 2012-16

Diagram ref no 25

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

95810115010
95810115010
728.550

The product you are viewing cross references to these numbers
DISPLAYING 1 to 16 (of 41 products)
1 2 3
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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