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Transmission Cooling

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DISPLAYING 1 to 6 (of 6 products)
Special Order item
99951111801
Product Information
Product Information

Clamp B15 – Multi-Application Hose, Cable & Pipe Clamp
Sold each

High-quality B15 clamp designed for a wide range of Porsche applications across multiple models.

This versatile clamp is used in various locations including engine wiring looms on the 911SC, air conditioning pipes on 928 S4, 964, and 993, throttle cable routing on the 968, expansion tank hoses on 924S and 944, and automatic gearbox cooling lines on 924S and 944 models.

Fits:

  • Porsche 911 1978-1983 3.0L / SC
  • Porsche 993 (911) C2 1994-97
  • Porsche 993 (911) C4 1994-97
  • Porsche 993 (911) RS 1994-97
  • Porsche 993 (911) C2S 1994-97
  • Porsche 993 (911) C4S 1994-97
  • Porsche 993 (911) TURBO 1994-96
  • Porsche 993 (911) GT2 1994-97
  • Porsche 993 (911) TURBO S 1994-97
  • Porsche 924S 2.5L 1986-87
  • Porsche 924S 2.5L 1988
  • Porsche 944 2.5L 8V 1985-87
  • Porsche 944 2.7L 8V 1988-89
  • Porsche 944S 2.5L 16V 1987-88
  • Porsche 944S2 3.0L 16V 1989-91
  • Porsche 944 Turbo 2.5L 8V 1985-88
  • Porsche 944 Turbo 2.5L 8V 1989-91
  • Porsche 944 Turbo S 2.5L 8V 1988
  • Porsche 968 3.0L 1992-94
  • Porsche 968 Sport 3.0L 1994-95
  • Porsche 968 CS 3.0L 1993-95
  • Porsche 968 Turbo S 3.0L 1993-94
  • Porsche 928S2 4.7L 1984-86
  • Porsche 928S4 5.0L 1987-92
  • Porsche 928GT 5.0L 1989-91

Manufactured to OEM specifications, this clamp ensures secure mounting, durability, and resistance to heat and corrosion. Supplied individually, it is ideal for maintenance, repair, or restoration across multiple Porsche systems.

Key Features

• Clamp size B15
• Suitable for multiple Porsche models and applications
• Part number 99951111801
• Multi-use: wiring loom, AC pipes, throttle cable, cooling lines
• Ensures secure mounting and correct routing
• Prevents vibration-related wear and movement
• Durable and corrosion-resistant construction
• OEM-style fit and performance
• Sold individually

Function and Purpose

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

It helps to:
• Hold wiring looms securely in place
• Maintain correct routing of AC pipes
• Secure throttle cables and cooling lines
• Prevent vibration-related wear or damage
• Ensure long-term system reliability

Why Replace Clamps

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

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

Replacing worn clamps ensures proper securing and protects critical components.



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

99951111801
99951111801
99951111802
N0206021
N0206022

The product you are viewing cross references to these numbers
99951111801/1
Product Information
Product Information

Clamp B15 – Multi-Application Hose, Cable & Pipe Clamp
Sold each

High-quality B15 clamp designed for a wide range of Porsche applications across multiple models.

This versatile clamp is used in various locations including engine wiring looms on the 911SC, air conditioning pipes on 928 S4, 964, and 993, throttle cable routing on the 968, expansion tank hoses on 924S and 944, and automatic gearbox cooling lines on 924S and 944 models.

Fits:

  • Porsche 911 1978-1983 3.0L / SC
  • Porsche 993 (911) C2 1994-97
  • Porsche 993 (911) C4 1994-97
  • Porsche 993 (911) RS 1994-97
  • Porsche 993 (911) C2S 1994-97
  • Porsche 993 (911) C4S 1994-97
  • Porsche 993 (911) TURBO 1994-96
  • Porsche 993 (911) GT2 1994-97
  • Porsche 993 (911) TURBO S 1994-97
  • Porsche 924S 2.5L 1986-87
  • Porsche 924S 2.5L 1988
  • Porsche 944 2.5L 8V 1985-87
  • Porsche 944 2.7L 8V 1988-89
  • Porsche 944S 2.5L 16V 1987-88
  • Porsche 944S2 3.0L 16V 1989-91
  • Porsche 944 Turbo 2.5L 8V 1985-88
  • Porsche 944 Turbo 2.5L 8V 1989-91
  • Porsche 944 Turbo S 2.5L 8V 1988
  • Porsche 968 3.0L 1992-94
  • Porsche 968 Sport 3.0L 1994-95
  • Porsche 968 CS 3.0L 1993-95
  • Porsche 968 Turbo S 3.0L 1993-94
  • Porsche 928S2 4.7L 1984-86
  • Porsche 928S4 5.0L 1987-92
  • Porsche 928GT 5.0L 1989-91

Manufactured to OEM specifications, this clamp ensures secure mounting, durability, and resistance to heat and corrosion. Supplied individually, it is ideal for maintenance, repair, or restoration across multiple Porsche systems.

Key Features

• Clamp size B15
• Suitable for multiple Porsche models and applications
• Part number 99951111801
• Multi-use: wiring loom, AC pipes, throttle cable, cooling lines
• Ensures secure mounting and correct routing
• Prevents vibration-related wear and movement
• Durable and corrosion-resistant construction
• OEM-style fit and performance
• Sold individually

Function and Purpose

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

It helps to:
• Hold wiring looms securely in place
• Maintain correct routing of AC pipes
• Secure throttle cables and cooling lines
• Prevent vibration-related wear or damage
• Ensure long-term system reliability

Why Replace Clamps

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

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

Replacing worn clamps ensures proper securing and protects critical components.



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

99951111801
99951111801
99951111802
N0206021
N0206022

The product you are viewing cross references to these numbers
Special Order item
95130738300
Product Information
Product Information
Insulating hose piece gearbox oil cooler. 

porsche

Fits:
Porsche 944S2 - 1989 to 1991
Porsche 944 turbo - 1986 to 1991

Click 'Zoom in' for large parts diagram.
Diagram ref no 33


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

95130738300
95130738300

The product you are viewing cross references to these numbers
Special Order item
98630750700
Product Information
Product Information
Insulation cap for disc valve.

porsche

Fits:
Porsche 928 (1978 to 1995)
Porsche 944/2 (1985 to 1991)
Porsche 968 (1992 to 1995)
Porsche 986 (Boxster; 1997 to 2004) with Tiptronic transmission and transmission code A86.00 or A86.05
Porsche 996 (1998 to 2001) with TC A96.00 and A96.30
Porsche 996 (2002 to 2005) with TC A96.10 and A96.35

Click 'Zoom in' for large arts diagram.
Fits to no 14 on diagram.

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

98630750700
98630750700

The product you are viewing cross references to these numbers
Special Order item
99951114402
Product Information
Product Information
Securing bow for insulating hose piece gearbox oil cooler. 

porsche

Fits:
Porsche 944S2 - 1989 to 1991
Porsche 944 turbo - 1986 to 1991

Click 'Zoom in' for large parts diagram.
Diagram ref no 32


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

99951114402
95130738300
99951114402

The product you are viewing cross references to these numbers
Special Order item
99953101502
Product Information
Product Information
Spacer sleeve for securing bow gearbox oil cooler. 

porsche

Fits:
Porsche 944S2 - 1989 to 1991
Porsche 944 turbo - 1986 to 1991

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


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

99953101502
95130738300
99951114402
99953101502

The product you are viewing cross references to these numbers
DISPLAYING 1 to 6 (of 6 products)
About Transmission Cooling

Porsche Transmission Cooling - Protect Gearbox Performance & Longevity

Porsche transmission cooling components are designed to regulate gearbox temperatures under load, helping maintain optimal oil viscosity, smooth shifting, and long-term transmission reliability. By dissipating excess heat generated during high-speed driving, towing, or track use, transmission coolers and associated components protect critical internal parts from premature wear and failure.

Available from Design911, Porsche transmission cooling solutions are ideal for both preventative maintenance and performance-focused upgrades, ensuring your gearbox operates within safe temperature limits.

What Do Porsche Transmission Cooling Components Do?

Transmission cooling systems manage heat build-up within the gearbox and transmission oil.

Core Functions:

  • Reduce gearbox and transmission oil temperatures
  • Maintain consistent lubrication under load
  • Prevent thermal breakdown of transmission fluid
  • Support smooth shifting and drivetrain efficiency
  • Protect internal gears, bearings, and seals

Effective transmission cooling is essential for sustained performance and durability.

Why Do Transmission Cooling Components Fail?

Transmission cooling components are exposed to heat, pressure, and environmental factors that can cause wear over time.

Common Causes of Failure:

  • Blocked or restricted cooling lines
  • Degraded hoses or seals due to heat cycling
  • Oil cooler contamination or internal blockage
  • Physical damage from road debris
  • Increased thermal load from performance driving

When cooling efficiency drops, transmission temperatures rise, accelerating internal wear.

When Should Transmission Cooling Components Be Replaced?

Porsche transmission cooling parts should be inspected or replaced if any of the following occur:

  • Rising transmission temperatures or warning messages
  • Transmission fluid leaks around cooler lines
  • Burnt or degraded gearbox oil
  • Poor shifting performance under load
  • During gearbox servicing or performance upgrades

Replacing worn cooling components early helps prevent costly gearbox repairs.

Highlights

  • Essential Porsche gearbox cooling components
  • Helps control transmission oil temperatures
  • Protects internal gearbox parts from heat damage
  • Suitable for road, fast-road, and track use
  • OEM-spec and performance-focused solutions       

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