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Porsche > 911 & 912 (1965-1989) > 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F) > Gearbox / Transmission > Gearbox Parts >

Gearbox Casing / Casing Parts

Gearbox Casing / Casing Parts

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DISPLAYING 1 to 16 (of 42 products)
1 2 3
Angled Drive for tacho / Rev Counter Drive shaft. Porsche 911 01/1963-08/1973 - 91131802900, 1699650100
4
Angled Drive for tacho / Rev Counter Drive shaft. Porsche 911 01/1963-08/1973
Special Order item
91131802900
Product Information
Product Information
Angled Drive for tacho / Rev Counter Drive shaft.

porsche

Fits:
Porsche 911 01/1963-08/1973

Click 'Zoom in' for large parts diagram.
Diagram ref no 20.

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91131802900
91131802900
1699650100

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Angled Drive for tacho / Rev Counter Drive shaft. Porsche 911 01/1963-08/1973 - 91131802900 - 1699650100
4
Angled Drive for tacho / Rev Counter Drive shaft. Porsche 911 01/1963-08/1973
91131802900/1
Product Information
Product Information
Angled Drive for tacho / Rev Counter Drive shaft.

oematch

Fits:
Porsche 911 01/1963-08/1973

Click 'Zoom in' for large parts diagram.
Diagram ref no 20.

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91131802900
91131802900

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Bearing bush in transmission housing. Porsche 911 1973-77 (915 Gearbox) - 91530112501 - GEB111102
2
Bearing bush in transmission housing. Porsche 911 1973-77 (915 Gearbox)
Special Order item
91530112501
Product Information
Product Information
Dog Teeth 1st Gear Gearbox bearing sleeve.

Fits:
Porsche 911 1973-77 (915 Gearbox)
Porsche 911 Turbo 3.0L 75-76

Diagram Ref no 8

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91530112501
91530112501

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Clamp B20x20 with Various Uses. Porsche 911 / 924 / 924S / 944 - 99951107902, N0206071
2
Clamp B20x20 with Various Uses. Porsche 911 / 924 / 924S / 944
Special Order item
N0206071
Product Information
Product Information

Pipe Clamp B20x20 – Multi-Use Clamp 
Sold each

High-quality pipe clamp B20x20 designed for a wide range of securing applications across Porsche 911, 924, 924S, and 944 models.

This versatile clamp is used in multiple locations including oil pump pipes, gearbox casing, air injection systems, brake servo pipes, and battery cables, making it an essential component for maintaining correct routing and system integrity throughout the vehicle.

Fits:

  • Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
  • Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
  • Porsche 911 1978-1983 3.0L / SC
  • Porsche 911 1984-1986 3.2L
  • Porsche 911 1987-1989 3.2L G50
  • Porsche 911 1978-1989 3.3L Turbo (930)
  • Porsche 924 2.0L 1976-79
  • Porsche 924 2.0L 1980-85
  • Porsche 924 Turbo 2.0L 1979-81
  • Porsche 924 Turbo 2.0L 1982-84
  • Porsche 924 Carrera GT 2.0L 1981
  • Porsche 924 Carrera GTS 2.0L 1982
  • Porsche 924S 2.5L 1986-87
  • Porsche 924S 2.5L 1988
  • Porsche 944 2.5L 8V 1982-87
  • Porsche 944S 2.5L 16V 1987-88
  • Porsche 944 Turbo 2.5L 8V 1985-88
  • Porsche 944 Turbo S 2.5L 8V 1988

Diagram ref no 39  

Manufactured to OEM specifications, this clamp provides secure fitment, durability, and resistance to corrosion. Supplied individually, it allows flexible replacement for maintenance, repair, or restoration projects.

Key Features

• Pipe clamp size B20x20
• Suitable for Porsche 911, 924, 924S, and 944
• Part number N0206071
• Multi-use: oil pipes, brake servo, air injection, battery cables
• Ensures secure mounting and routing
• Durable and corrosion-resistant construction
• OEM-style fit and performance
• Sold individually

Function and Purpose

This clamp is designed to secure various pipes, hoses, and cables.

It helps to:
• Hold components firmly in place
• Maintain correct routing and alignment
• Prevent vibration-related wear and damage
• Protect critical systems such as oil and braking
• Support long-term system reliability

Why Replace Pipe Clamps

Clamps can degrade over time due to heat and environmental exposure.

Common issues include:
• Loss of clamping strength
• Corrosion or fatigue
• Movement of pipes or cables
• Increased risk of wear or failure

Replacing worn clamps ensures proper securing and protects system components.



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

N0206071
99951107902
N0206071

The product you are viewing cross references to these numbers
Clamp B20x20 with Various Uses. Porsche 911 / 924 / 924S / 944 - 99951107902, N0206071 - PRSGU06
2
Clamp B20x20 with Various Uses. Porsche 911 / 924 / 924S / 944
N0206071/1
Product Information
Product Information

Pipe Clamp B20x20 – Multi-Use Clamp 
Sold each

High-quality pipe clamp B20x20 designed for a wide range of securing applications across Porsche 911, 924, 924S, and 944 models.

This versatile clamp is used in multiple locations including oil pump pipes, gearbox casing, air injection systems, brake servo pipes, and battery cables, making it an essential component for maintaining correct routing and system integrity throughout the vehicle.

Fits:

  • Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
  • Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
  • Porsche 911 1978-1983 3.0L / SC
  • Porsche 911 1984-1986 3.2L
  • Porsche 911 1987-1989 3.2L G50
  • Porsche 911 1978-1989 3.3L Turbo (930)
  • Porsche 924 2.0L 1976-79
  • Porsche 924 2.0L 1980-85
  • Porsche 924 Turbo 2.0L 1979-81
  • Porsche 924 Turbo 2.0L 1982-84
  • Porsche 924 Carrera GT 2.0L 1981
  • Porsche 924 Carrera GTS 2.0L 1982
  • Porsche 924S 2.5L 1986-87
  • Porsche 924S 2.5L 1988
  • Porsche 944 2.5L 8V 1982-87
  • Porsche 944S 2.5L 16V 1987-88
  • Porsche 944 Turbo 2.5L 8V 1985-88
  • Porsche 944 Turbo S 2.5L 8V 1988

Diagram ref no 39  

Manufactured to OEM specifications, this clamp provides secure fitment, durability, and resistance to corrosion. Supplied individually, it allows flexible replacement for maintenance, repair, or restoration projects.

Key Features

• Pipe clamp size B20x20
• Suitable for Porsche 911, 924, 924S, and 944
• Part number N0206071
• Multi-use: oil pipes, brake servo, air injection, battery cables
• Ensures secure mounting and routing
• Durable and corrosion-resistant construction
• OEM-style fit and performance
• Sold individually

Function and Purpose

This clamp is designed to secure various pipes, hoses, and cables.

It helps to:
• Hold components firmly in place
• Maintain correct routing and alignment
• Prevent vibration-related wear and damage
• Protect critical systems such as oil and braking
• Support long-term system reliability

Why Replace Pipe Clamps

Clamps can degrade over time due to heat and environmental exposure.

Common issues include:
• Loss of clamping strength
• Corrosion or fatigue
• Movement of pipes or cables
• Increased risk of wear or failure

Replacing worn clamps ensures proper securing and protects system components.



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

N0206071
99951107902
N0206071

The product you are viewing cross references to these numbers
Compression Spring. Porsche 911 72-73 - 91530732100
1
Compression Spring. Porsche 911 72-73
Special Order item
91530732100
Product Information
Product Information
Compression Spring.
porsche

Fits:
Porsche 911 Carrera 2.7 L 1972-73

Click 'Zoom in ' for large parts diagram.
Diagram ref no 14

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91530732100
91530732100

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Gasket for transmission case. Porsche 911/912/914 (65-76) - 90130119123, 90130119122, 90130119121, 084.379
2
Gasket for transmission case. Porsche 911/912/914 (65-76)
Special Order item
9013011912
Product Information
Product Information
Gasket for transmission case.

porsche

Fits:
Porsche 911 (1965-1973)
Porsche 912 (1965-1969)
Porsche 914 (1970-1976)

Click 'Zoom in' for large parts diagram.
Diagram ref no 14

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9013011912
90130119123
90130119122
90130119121
084.379

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Gasket for transmission case. Porsche 911/912/914 (65-76) - 90130119123, 90130119122, 90130119121, 084.379, 084.387, 084.395
2
Gasket for transmission case. Porsche 911/912/914 (65-76)
9013011912
Product Information
Product Information
Gasket for transmission case.

elring

Fits:
Porsche 911 (1965-1973)
Porsche 912 (1965-1969)
Porsche 914 (1970-1976)

Click 'Zoom in' for large parts diagram.
Diagram ref no 14

Related reference numbers
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9013011912
90130119123
90130119122
90130119121
084.379
084.387
084.395

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Gasket transmission case. Porsche 911 Sportomatic - 92530119100, 92530119101, 92530119102
2
Gasket transmission case. Porsche 911 Sportomatic
Special Order item
925301191
Product Information
Product Information
Gasket transmission case - Sportomatic

porsche

Fits:
Porsche 911 - 1970 to 1983 
For Sportomatic only


Click 'Zoom in' for large parts diagram.
Diagram ref no 17



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925301191
92530119100
92530119101
92530119102

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Gear housing to transmission case gasket. Porsche 911 72-86 - 91530119100, 313 09 609 03 22, 313096090322
3
Gear housing to transmission case gasket. Porsche 911 72-86
Special Order item
91530119100
Product Information
Product Information
Gear housing to transmission case gasket.

porsche

Fits:
Porsche 911 Carrera 1972-86
Transmission TYPE 915

Click 'Zoom in' for large parts diagram.
Diagram ref no 23

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91530119100
91530119100
313 09 609 03 22
313096090322

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Gear housing to transmission case gasket. Porsche 911 72-86 - 313 09 609 03 22, 313096090322, 91530119100
2
Gear housing to transmission case gasket. Porsche 911 72-86
91530119100/1
Product Information
Product Information
Gear housing to transmission case gasket.

Fits:
Porsche 911 Carrera 1972-86
Transmission TYPE 915

Diagram ref no 23

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91530119100
313 09 609 03 22
313096090322
91530119100

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Gearbox bleeder. Porsche 911/912/914 - 90430107100
5
Gearbox bleeder. Porsche 911/912/914
Special Order item
90430107100
Product Information
Product Information
Gearbox bleeder.

porsche

Fits:
Porsche 911/912 1965-89
Porsche 914 1970-76

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

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90430107100
90430107100

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Gearbox housing stud BM 8 x 30. Porsche 911 69-89 (not turbo) - 99906204402, 99906108302, 99906105501
2
Gearbox housing stud BM 8 x 30. Porsche 911 69-89 (not turbo)
99906204402/1::1
Product Information
Product Information
Gearbox housing stud, BM 8 x 30
Sold each.

oematch

Fits:
Porsche 911 1969-89 
not for Turbo models

Click 'Zoom in' for large parts diagram.
Diagram ref no 4

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99906204402
99906204402
99906108302
99906105501

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Gearbox housing stud, BM 8 x 30. Porsche 911 69-89 (not turbo) - 99906204402, 99906108302, 99906105501
2
Gearbox housing stud, BM 8 x 30. Porsche 911 69-89 (not turbo)
Special Order item
99906204402::1
Product Information
Product Information
Gearbox housing stud, BM 8 x 30
Sold each.

porsche

Fits:
Porsche 911 1969-89 
not for Turbo models

Click 'Zoom in' for large parts diagram.
Diagram ref no 4

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99906204402
99906204402
99906108302
99906105501

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Gearbox intermediate plate Porsche 901/911 late '69-'71 and 914 '70-'76 magnesium case 'die casting' transmissions. - 911.301.221.00, 91130122100, 91130122100/1
2
Gearbox intermediate plate Porsche 901/911 late '69-'71 and 914 '70-'76 magnesium case "die casting" transmissions.
91130122100/1
Product Information
Product Information
The factory cast magnesium intermediate plate is known to be problematic. Original ones tend to crack, have loose or out of round bearing bores or may have worn out shift shaft provisions.

Perfect for street, race, higher horsepower and V8 applications-where the additional strength is really needed!

Precision machined from aircraft grade billet aluminum to exacting standards for perfect fit and function
Replaceable silicone bronze shift rail bushings
Lightest weight possible, only 4.25 lbs

Fits all Porsche 901/911 late '69-'71 and 914 '70-'76 magnesium case "die casting" transmissions.

Replaces part 911.301.221.00

Note:
1. If replacing the 4 point bearings it's recommend you use GENUINE PORSCHE only due to dimensional differences we have found between used original, "OEM" new and Genuine Porsche bearings.

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91130122100
911.301.221.00
91130122100
91130122100

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Gearbox threaded insert. Porsche 911 72-86 - 99950404700
2
Gearbox threaded insert. Porsche 911 72-86
Special Order item
99950404700
Product Information
Product Information
Gearbox threaded insert. Sold each.

porsche

Fits:
Porsche 911 1972-86
Porsche 911 (930) Turbo 1975-77

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

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99950404700
99950404700

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DISPLAYING 1 to 16 (of 42 products)
1 2 3
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About Gearbox Casing / Casing Parts

Porsche Gearbox Casings & Casing Parts | Strength, Precision & Thermal Stability for Reliable Transmission Performance

The gearbox casing is the structural foundation of your Porsche’s transmission system. It houses and supports all internal components — including gears, bearings, shafts, and seals — ensuring correct alignment, strength, and efficient operation. High-quality casing components are essential for maintaining gearbox integrity, preventing leaks, and reducing vibration or mechanical stress.

At Design911, we supply precision-engineered gearbox casings and casing components designed to meet or exceed original performance specifications. Manufactured from high-strength aluminium or magnesium alloys, each casing ensures excellent rigidity, heat dissipation, and dimensional accuracy.

Whether you’re rebuilding a classic 911 transmission, repairing a damaged casing, or upgrading for performance reliability, our range of Porsche gearbox casings and casing parts guarantees strength, fitment precision, and long-term durability.

What Do Gearbox Casings & Casing Parts Do?

The gearbox casing acts as a rigid housing that protects internal components from damage, contamination, and misalignment while maintaining lubrication and temperature control.

Core Functions:

  • Provides structural support and alignment for all internal gearbox components.
  • Protects gears, shafts, and bearings from debris and external damage.
  • Maintains correct oil levels and internal pressure.
  • Ensures efficient heat dissipation for optimal transmission operation.
  • Prevents leaks through integrated seals and machined joints.

Without a properly functioning casing, gearbox alignment and performance can degrade — leading to premature wear, oil leaks, and even transmission failure.

Why Do Gearbox Casings & Components Fail or Get Damaged?

Gearbox casings are exposed to mechanical stress, vibration, and heat over time, which can cause fatigue, cracking, or oil leaks.

Common Causes of Failure Include:

  • Cracks or fractures from impact or over-torqued bolts.
  • Corrosion or oxidation, particularly on older magnesium casings.
  • Warping due to overheating or poor heat dissipation.
  • Damaged or worn sealing surfaces causing oil leaks.
  • Incorrect assembly or misalignment during installation.

When the casing or its mating surfaces fail, it can cause oil leakage, misaligned gears, excessive noise, or internal component wear — compromising gearbox performance and reliability.

Why Replace Your Porsche Gearbox Casing or Casing Parts?

Replacing a damaged or worn gearbox casing ensures structural integrity, correct alignment, and proper sealing — vital for transmission efficiency and performance. Upgraded or remanufactured casings also enhance durability and thermal control in high-performance applications.

Key Benefits:

  • Restores proper gearbox alignment and internal balance.
  • Prevents oil leaks and contamination of internal components.
  • Improves heat management and mechanical strength.
  • Reduces vibration and driveline noise.
  • Ensures long-term reliability during rebuilds or performance upgrades.
  • Available for manual, automatic, and PDK Porsche transmissions.

A high-quality gearbox casing or replacement part is essential during transmission rebuilds to maintain correct tolerances and optimal drivetrain function.

Highlights

  • Precision Porsche gearbox casings and casing parts.
  • Manufactured from high-strength aluminium or magnesium alloys.
  • Perfect fitment for Porsche 911, Cayman, Boxster, and classic models.
  • Designed for strength, rigidity, and long-term reliability.
  • Restores transmission efficiency and structural integrity.
  • Ideal for rebuilds, repairs, or performance transmission upgrades.       

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