Please wait… 
Please wait while we process your order,
do not press the back button… 
Design911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://www.design911.co.uk/images/schemaLogo.png https://www.design911.co.uk/images/schemaLogo.png +443456003478 https://www.design911.co.uk Facebook Instagram

Air Intake & Injection

Filter by brand
DISPLAYING 1 to 16 (of 19 products)
1 2
Special Order item
95111019802
Product Information
Product Information
Air hose - Throttle body to air mass sensor.

porsche

Fits:
Porsche 944 Turbo 1986-91

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

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Related, superseded, cross reference or alternative numbers for comparison.

95111019802
95111019802

The product you are viewing cross references to these numbers
95111019802/1
Product Information
Product Information
Air hose - Throttle body to air mass sensor.

oematch

Fits:
Porsche 944 Turbo 1986-91

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

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Related, superseded, cross reference or alternative numbers for comparison.

95111019802
95111019802

The product you are viewing cross references to these numbers
Special Order item
99970331500
Product Information
Product Information

Bonded Rubber Bush – Airbox, Intercooler & Air Mass Meter Mount
Sold each

High-quality bonded rubber bush designed for Porsche 944 S2, 944 Turbo, and 968 models, used in multiple mounting applications within the engine bay.

This bush is commonly used for airbox mounting (944 S2 and 968), intercooler mounting (944 turbo), and air mass meter mounting (944 S2), providing essential vibration damping and secure component positioning.

Fits:

  • 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

Diagram ref no 9  

Manufactured to OEM specifications, this bonded rubber mount ensures proper isolation from engine vibrations, helping protect sensitive components while maintaining correct alignment.

Key Features

• Bonded rubber bush
• Suitable for Porsche 944 S2, 944 turbo, and 968
• Multi-application mounting bush
• Used for airbox, intercooler, and air mass meter
• Reduces vibration and movement
• OEM-style fit and performance
• Durable rubber-metal bonded construction

Function and Purpose

This bush plays an important role in component mounting and vibration control.

It helps to:
• Secure engine bay components in position
• Absorb vibration and reduce stress on parts
• Protect airbox, intercooler, and air mass meter
• Maintain correct alignment and fitment
• Improve longevity of mounted components

Why Replace Rubber Bushes

Rubber mounting components degrade over time due to heat and engine vibration.

Common issues include:
• Cracked or perished rubber
• Excessive movement or looseness
• Increased vibration transfer
• Potential damage to mounted components

Replacing worn bushes restores stability and protects key engine bay parts.



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

99970331500
99970331500

The product you are viewing cross references to these numbers
99970331500/1
Product Information
Product Information

Bonded Rubber Bush – Airbox, Intercooler & Air Mass Meter Mount
Sold each

High-quality bonded rubber bush designed for Porsche 944 S2, 944 Turbo, and 968 models, used in multiple mounting applications within the engine bay.

This bush is commonly used for airbox mounting (944 S2 and 968), intercooler mounting (944 turbo), and air mass meter mounting (944 S2), providing essential vibration damping and secure component positioning.

Fits:

  • 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

Diagram ref no 9  

Manufactured to OEM specifications, this bonded rubber mount ensures proper isolation from engine vibrations, helping protect sensitive components while maintaining correct alignment.

Key Features

• Bonded rubber bush
• Suitable for Porsche 944 S2, 944 turbo, and 968
• Multi-application mounting bush
• Used for airbox, intercooler, and air mass meter
• Reduces vibration and movement
• OEM-style fit and performance
• Durable rubber-metal bonded construction

Function and Purpose

This bush plays an important role in component mounting and vibration control.

It helps to:
• Secure engine bay components in position
• Absorb vibration and reduce stress on parts
• Protect airbox, intercooler, and air mass meter
• Maintain correct alignment and fitment
• Improve longevity of mounted components

Why Replace Rubber Bushes

Rubber mounting components degrade over time due to heat and engine vibration.

Common issues include:
• Cracked or perished rubber
• Excessive movement or looseness
• Increased vibration transfer
• Potential damage to mounted components

Replacing worn bushes restores stability and protects key engine bay parts.



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

99970331500
99970331500

The product you are viewing cross references to these numbers
Special Order item
99951242802
Product Information
Product Information

Clamp 17x15 – Inlet Manifold & Power Steering Hose Clamp 
Sold each

High-quality 17x15 clamp designed for securing hoses on Porsche 911, 964, 993, and 944 models.

This clamp is used for inlet manifold air hoses on Porsche 911, 964, and 993 models, as well as power steering hoses on the Porsche 944, ensuring correct routing and secure mounting across critical systems.

Fits:

  • Porsche 911 1984-1986 3.2L
  • Porsche 911 1987-1989 3.2L G50
  • Porsche 964 (911) C2 1989-93
  • Porsche 964 (911) C4 1989-93
  • Porsche 964 (911) RS 3.6L 1991-93
  • Porsche 964 (911) RS 3.8L 1991-93
  • 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 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

Diagram ref no 23

Manufactured to OEM specifications, this clamp provides durability, corrosion resistance, and precise fitment. Supplied individually, it is ideal for maintenance, repair, or restoration of Porsche intake and steering systems.

Key Features

• Clamp size 17x15
• Suitable for Porsche 911, 964, 993, and 944
• Part number 99951242802
• Used for inlet manifold and power steering hose applications
• Ensures secure hose mounting and 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 across multiple systems.

It helps to:
• Hold inlet manifold air hoses securely in place
• Maintain correct routing of power steering hoses
• Prevent hose movement and vibration damage
• Support stable airflow and steering system performance
• Ensure long-term system reliability

Why Replace Clamps

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

Common issues include:
• Loss of clamping strength
• Corrosion or fatigue
• Hose movement or disconnection
• Increased risk of leaks or performance issues

Replacing worn clamps ensures secure installation and protects critical systems.



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

99951242802
99951242802
N0206481

The product you are viewing cross references to these numbers
99951242802/1
Product Information
Product Information

Clamp 17x15 – Inlet Manifold & Power Steering Hose Clamp 
Sold each

High-quality 17x15 clamp designed for securing hoses on Porsche 911, 964, 993, and 944 models.

This clamp is used for inlet manifold air hoses on Porsche 911, 964, and 993 models, as well as power steering hoses on the Porsche 944, ensuring correct routing and secure mounting across critical systems.

Fits:

  • Porsche 911 1984-1986 3.2L
  • Porsche 911 1987-1989 3.2L G50
  • Porsche 964 (911) C2 1989-93
  • Porsche 964 (911) C4 1989-93
  • Porsche 964 (911) RS 3.6L 1991-93
  • Porsche 964 (911) RS 3.8L 1991-93
  • 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 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

Diagram ref no 23

Manufactured to OEM specifications, this clamp provides durability, corrosion resistance, and precise fitment. Supplied individually, it is ideal for maintenance, repair, or restoration of Porsche intake and steering systems.

Key Features

• Clamp size 17x15
• Suitable for Porsche 911, 964, 993, and 944
• Part number 99951242802
• Used for inlet manifold and power steering hose applications
• Ensures secure hose mounting and 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 across multiple systems.

It helps to:
• Hold inlet manifold air hoses securely in place
• Maintain correct routing of power steering hoses
• Prevent hose movement and vibration damage
• Support stable airflow and steering system performance
• Ensure long-term system reliability

Why Replace Clamps

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

Common issues include:
• Loss of clamping strength
• Corrosion or fatigue
• Hose movement or disconnection
• Increased risk of leaks or performance issues

Replacing worn clamps ensures secure installation and protects critical systems.



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

99951242802
99951242802
N0206481

The product you are viewing cross references to these numbers
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
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
Special Order item
99951117701
Product Information
Product Information

Clamp  D1 20x15   – Multi-Position Clamp 

High-quality D1 20x15 clamp designed for securing various components across Porsche 924S, 944, 928, 964, and 993 models.

This versatile clamp is used in multiple applications including bonnet release cables (924S / 944), expansion tank hoses (944), engine wiring loom (928 S4), injection vacuum hoses (964), and brake reservoir connections (993).

Fits:

  • Porsche 964 (911) C2 1989-93
  • Porsche 964 (911) C4 1989-93
  • Porsche 964 (911) RS 3.6L 1991-93
  • Porsche 964 (911) RS 3.8L 1991-93
  • 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 1982-87
  • 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 928S4 5.0L 1987-92
  • Porsche 928GT 5.0L 1989-91
  • Porsche 928GTS 5.4L 1992-95

Diagram ref no 24  

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

Key Features

• Clamp size D1 20x15
• Suitable for Porsche 964S, 944, 928, 964, and 993
• Part number 99951117701
• Multi-use: cables, hoses, wiring looms, vacuum lines
• Ensures secure mounting and 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 a wide range of components.

It helps to:
• Hold cables, hoses, and wiring looms in place
• Maintain correct routing and alignment
• Prevent vibration-related wear or damage
• Protect sensitive systems such as wiring and vacuum lines
• Ensure long-term reliability across multiple systems

Why Replace Clamps

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

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

Replacing worn clamps ensures proper securing and protects critical components.



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

99951117701
99951117701
99951117702

The product you are viewing cross references to these numbers
99951117701/1
Product Information
Product Information

Clamp  D1 20x15   – Multi-Position Clamp 

High-quality D1 20x15 clamp designed for securing various components across Porsche 924S, 944, 928, 964, and 993 models.

This versatile clamp is used in multiple applications including bonnet release cables (924S / 944), expansion tank hoses (944), engine wiring loom (928 S4), injection vacuum hoses (964), and brake reservoir connections (993).

Fits:

  • Porsche 964 (911) C2 1989-93
  • Porsche 964 (911) C4 1989-93
  • Porsche 964 (911) RS 3.6L 1991-93
  • Porsche 964 (911) RS 3.8L 1991-93
  • 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 1982-87
  • 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 928S4 5.0L 1987-92
  • Porsche 928GT 5.0L 1989-91
  • Porsche 928GTS 5.4L 1992-95

Diagram ref no 24  

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

Key Features

• Clamp size D1 20x15
• Suitable for Porsche 964S, 944, 928, 964, and 993
• Part number 99951117701
• Multi-use: cables, hoses, wiring looms, vacuum lines
• Ensures secure mounting and 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 a wide range of components.

It helps to:
• Hold cables, hoses, and wiring looms in place
• Maintain correct routing and alignment
• Prevent vibration-related wear or damage
• Protect sensitive systems such as wiring and vacuum lines
• Ensure long-term reliability across multiple systems

Why Replace Clamps

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

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

Replacing worn clamps ensures proper securing and protects critical components.



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

99951117701
99951117701
99951117702

The product you are viewing cross references to these numbers
Special Order item
92857372702
Product Information
Product Information

Vacuum Hose Distribution Y-Piece – 4mm Vacuum Line Splitter 
Sold each - used in various locations

High-quality vacuum hose distribution Y-piece designed for a wide range of Porsche models including 911, 964, 924S, 944, 968, and 928.

This Y-splitter allows a single vacuum source to be divided into two outlets, enabling efficient routing and connection of vacuum lines within the engine bay or HVAC system. It is specifically designed for vacuum hoses with a 4mm outer diameter, ensuring a secure and precise fit.

Fits:

  • Porsche 911 1984-1986 3.2L
  • Porsche 911 1987-1989 3.2L G50
  • Porsche 911 1978-1989 3.3L Turbo (930)
  • Porsche 964 (911) C2 1989-93
  • Porsche 964 (911) C4 1989-93
  • Porsche 964 (911) RS 3.6L 1991-93
  • Porsche 964 (911) RS 3.8L 1991-93
  • Porsche 964 (911) TURBO 3.3L 1991-93
  • Porsche 964 (911) TURBO 3.6L 1991-93
  • Porsche 924S 2.5L 1986-87
  • Porsche 924S 2.5L 1988
  • Porsche 944 2.5L 8V 1982-87
  • 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

Diagram ref no 4

Manufactured to OEM standards, this connector is ideal for maintaining or restoring vacuum system integrity across multiple Porsche applications.

Key Features

• Universal-style vacuum Y-piece connector
• Suitable for Porsche 911, 964, 924S, 944, 968, and 928
• Designed for 4mm outer diameter vacuum hoses
• Enables splitting of vacuum lines
• OEM-style fit and function
• Durable construction for long-term reliability

Function and Purpose

This Y-piece is a critical connector within the vacuum system.

It helps to:

• Split a single vacuum line into two outputs
• Maintain proper vacuum routing
• Ensure consistent vacuum pressure distribution
• Support engine and HVAC system operation

Why Replace Your Vacuum Connector

Over time, vacuum connectors can degrade due to heat and age.

Common issues include:

• Cracked or brittle plastic
• Vacuum leaks
• Poor hose connections
• Engine or HVAC system malfunctions

Replacing the Y-piece restores proper vacuum system function.

• Loose or unsecured temperature sensor
• Incorrect temperature readings
• HVAC system inconsistencies
• Broken or missing connector clips

Replacing the lock piece restores proper sensor stability and function.



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

92857372702
92857372702

The product you are viewing cross references to these numbers
92857372702/1
Product Information
Product Information

Vacuum Hose Distribution Y-Piece – 4mm Vacuum Line Splitter 
Sold each - used in various locations

High-quality vacuum hose distribution Y-piece designed for a wide range of Porsche models including 911, 964, 924S, 944, 968, and 928.

This Y-splitter allows a single vacuum source to be divided into two outlets, enabling efficient routing and connection of vacuum lines within the engine bay or HVAC system. It is specifically designed for vacuum hoses with a 4mm outer diameter, ensuring a secure and precise fit.

Fits:

  • Porsche 911 1984-1986 3.2L
  • Porsche 911 1987-1989 3.2L G50
  • Porsche 911 1978-1989 3.3L Turbo (930)
  • Porsche 964 (911) C2 1989-93
  • Porsche 964 (911) C4 1989-93
  • Porsche 964 (911) RS 3.6L 1991-93
  • Porsche 964 (911) RS 3.8L 1991-93
  • Porsche 964 (911) TURBO 3.3L 1991-93
  • Porsche 964 (911) TURBO 3.6L 1991-93
  • Porsche 924S 2.5L 1986-87
  • Porsche 924S 2.5L 1988
  • Porsche 944 2.5L 8V 1982-87
  • 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

Diagram ref no 4

Manufactured to OEM standards, this connector is ideal for maintaining or restoring vacuum system integrity across multiple Porsche applications.

Key Features

• Universal-style vacuum Y-piece connector
• Suitable for Porsche 911, 964, 924S, 944, 968, and 928
• Designed for 4mm outer diameter vacuum hoses
• Enables splitting of vacuum lines
• OEM-style fit and function
• Durable construction for long-term reliability

Function and Purpose

This Y-piece is a critical connector within the vacuum system.

It helps to:

• Split a single vacuum line into two outputs
• Maintain proper vacuum routing
• Ensure consistent vacuum pressure distribution
• Support engine and HVAC system operation

Why Replace Your Vacuum Connector

Over time, vacuum connectors can degrade due to heat and age.

Common issues include:

• Cracked or brittle plastic
• Vacuum leaks
• Poor hose connections
• Engine or HVAC system malfunctions

Replacing the Y-piece restores proper vacuum system function.

• Loose or unsecured temperature sensor
• Incorrect temperature readings
• HVAC system inconsistencies
• Broken or missing connector clips

Replacing the lock piece restores proper sensor stability and function.



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

92857372702
92857372702

The product you are viewing cross references to these numbers
Special Order item
99951255400::1
Product Information
Product Information
Hose clamp, 12-22 mm - Various Applications.

porsche

Fits:
Porsche 928 - 1978 to 1986
Porsche 924 - 1976 to 1986
Porsche 924S - 1986 to 1988
Porsche 944 - 1982 to 1991
Porsche 968 - 1992 to 1995



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

99951255400
99951255400

The product you are viewing cross references to these numbers
94411016305/2
Product Information
Product Information
Inlet manifold gasket.
Sold each - 4 required per car

Fits:
Porsche 924S - 1986 to 1988

Porsche 944 2.5ltr - 1982 to 1987
Porsche 944 turbo - 1985 to 1991

Diagram ref no 2

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

94411016305
94411016305
94411016300
94411016303
94411016306

The product you are viewing cross references to these numbers
Special Order item
94411016305
Product Information
Product Information
Intake manifold gasket.

Fits:
Porsche 924S 2.5L 1986-88
Porsche 944 2.5L / 2.5L Turbo 1982-91

Diagram ref no 2

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

94411016305
94411016305
825.833

The product you are viewing cross references to these numbers
94411016305/1
Product Information
Product Information
Intake manifold gasket.

Fits:
Porsche 924S 2.5L 1986-88
Porsche 944 2.5L / 2.5L Turbo 1982-91

Diagram ref no 2

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

94411016305
94411016305
825.833

The product you are viewing cross references to these numbers
DISPLAYING 1 to 16 (of 19 products)
1 2
About Air Intake & Injection

Air Intake & Injection

Design911 provides a comprehensive range of engine air intake and fuel injection components for all Porsche models, from classic air-cooled 911s to the latest turbocharged engines. These systems work together to deliver the precise air–fuel mixture required for clean combustion, optimal power, and long-term engine health. Whether you’re restoring a classic, repairing a misfire, or upgrading for improved throttle response, Design911 offers OEM and high-performance parts engineered specifically for Porsche engines.

What These Components Are

Air Intake Components

  • Air filters, intake manifolds, plenum chambers, and air ducts supply clean, measured airflow to the engine.
  • MAF (Mass Air Flow) sensors and MAP sensors monitor incoming air volume and density.
  • Throttle bodies regulate air delivery based on driver input. Performance upgrades include high-flow intake systems, sport air filters, and cold-air intake kits.

Injection Components

  • Fuel injectors, fuel rails, pressure regulators, and high-pressure pumps manage fuel delivery with precise timing. Electronic control units (ECUs) command the injection system for efficient combustion.
  • Classic models may use mechanical injection (MFI), CIS/K-Jetronic, or carburettors, all supported with specialist replacement parts.

What They Do in the Engine

These systems work together to ensure your Porsche engine receives:

  • The correct volume of clean air
  • The correct amount of atomised fuel
  • Perfectly timed air–fuel ratios for performance and efficiency
  • Smooth cold starts, crisp throttle response, and stable idling
  • Optimal combustion, power output, and reduced emissions

Air intake and fuel injection are essential to both everyday drivability and motorsport performance.

Why Air Intake & Injection Components Fail

Porsche engines are high-precision units. Over time, their intake and injection parts can deteriorate due to:

Common Failure Causes

  • Dirty or clogged air filters
  • Air leaks in intake pipes, boots, or manifolds
  • Faulty MAF / MAP sensors causing incorrect readings
  • Carbon buildup inside throttle bodies or intake tracts
  • Failing fuel injectors (clogging, misfire, incorrect spray pattern)
  • Fuel pressure issues from worn pumps or regulators
  • Age-related wear in classic mechanical injection systems

These problems often cause rough idle, hesitation, power loss, poor fuel economy, or engine warning lights.

Why They Should Be Replaced

Upgrading or replacing intake and injection components restores:

  • Accurate air–fuel delivery
  • Faster throttle response & improved torque
  • Smooth engine performance & reliable cold starts
  • Lower fuel consumption & reduced emissions
  • Protection from further engine damage

Performance-focused drivers may also benefit from sport air filters, larger throttle bodies, and high-flow injectors to maximise power.

Design911 supports a wide range of Porsche intake and injection needs, including:

  • Porsche air intake replacement parts
  • High-flow intake systems for Porsche performance upgrades
  • Porsche fuel injector sets & injection repair kits
  • MAF/MAP sensor replacements for Porsche engines
  • Throttle body repair parts for Porsche 911, Boxster, Cayman Classic Porsche
  • CIS & MFI injection components
  • Porsche turbo intake pipes & boost-related air delivery parts
  • Air leak repair components for Porsche flat-six engines

Popular Models