Hoses / Pipes / Sleeves

Air mass rubber hose pipe.



Fits:
Porsche 911 Carrera 3.2L 1984-89

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

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Related, superseded, cross reference or alternative numbers for comparison.

93020723601

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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

The product you are viewing cross references to these numbers

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

The product you are viewing cross references to these numbers

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

The product you are viewing cross references to these numbers

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

The product you are viewing cross references to these numbers

Engine crankcase breather hose.



Fits:
Porsche 911 SC 1977-83

Click 'Zoom in' for large parts diagram.
Diagram ref no 46

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Related, superseded, cross reference or alternative numbers for comparison.

91111027701

The product you are viewing cross references to these numbers

Engine crankcase breather hose.



Fits:
Porsche 911 SC 1977-83

Click 'Zoom in' for large parts diagram.
Diagram ref no 46

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Related, superseded, cross reference or alternative numbers for comparison.

91111027701

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Air Hose 12 x 3,7mm – Brake Servo & Inlet Manifold 
Sold by the metre

High-quality air hose designed for multiple Porsche applications, including brake servo (brake booster) systems and inlet manifold connections.

This hose is used on Porsche 911, 924, 928, 964 Carrera 2, and also within the inlet manifold system on 964 and 993 models. It plays a critical role in maintaining vacuum pressure for braking assistance and ensuring proper airflow within the intake system.

Fits:

• 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 1975-1977 3.0L Turbo (930)
• 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 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 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 928 4.5L 1978-82
• Porsche 928S 4.7L 1981-83
• Porsche 928S2 4.7L 1984-86

Supplied per metre, this hose allows precise length replacement and flexible routing, making it ideal for maintenance, repair, or restoration of Porsche vacuum and intake systems. Manufactured to OEM specifications for durability and reliable performance.

Key Features

• Multi-purpose air hose for vacuum and intake systems
• Suitable for Porsche 911, 924, 928, 964, and 993
• Part number 9991810225B
• Used for brake servo and inlet manifold applications
• Sold per metre for custom lengths
• Resistant to heat and vacuum pressure
• Flexible and durable construction
• OEM-style fit and performance

Function and Purpose

This hose serves critical roles across multiple systems.

It helps to:
• Deliver vacuum pressure to the brake servo (booster)
• Maintain effective braking assistance
• Support airflow within the inlet manifold system
• Ensure stable engine operation and efficiency
• Prevent vacuum leaks that affect performance

Why Replace Air / Vacuum Hoses

Over time, hoses degrade due to heat and pressure cycles.

Common issues include:
• Cracking or splitting
• Vacuum leaks reducing brake efficiency
• Hardening and reduced flexibility
• Poor engine performance due to air leaks

Replacing worn hoses restores braking performance and engine efficiency.

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

9991810225B

The product you are viewing cross references to these numbers

Air Hose 12 x 3,7mm – Brake Servo & Inlet Manifold 
Sold by the metre

High-quality air hose designed for multiple Porsche applications, including brake servo (brake booster) systems and inlet manifold connections.

This hose is used on Porsche 911, 924, 928, 964 Carrera 2, and also within the inlet manifold system on 964 and 993 models. It plays a critical role in maintaining vacuum pressure for braking assistance and ensuring proper airflow within the intake system.

Fits:

• 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 1975-1977 3.0L Turbo (930)
• 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 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 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 928 4.5L 1978-82
• Porsche 928S 4.7L 1981-83
• Porsche 928S2 4.7L 1984-86

Supplied per metre, this hose allows precise length replacement and flexible routing, making it ideal for maintenance, repair, or restoration of Porsche vacuum and intake systems. Manufactured to OEM specifications for durability and reliable performance.

Key Features

• Multi-purpose air hose for vacuum and intake systems
• Suitable for Porsche 911, 924, 928, 964, and 993
• Part number 9991810225B
• Used for brake servo and inlet manifold applications
• Sold per metre for custom lengths
• Resistant to heat and vacuum pressure
• Flexible and durable construction
• OEM-style fit and performance

Function and Purpose

This hose serves critical roles across multiple systems.

It helps to:
• Deliver vacuum pressure to the brake servo (booster)
• Maintain effective braking assistance
• Support airflow within the inlet manifold system
• Ensure stable engine operation and efficiency
• Prevent vacuum leaks that affect performance

Why Replace Air / Vacuum Hoses

Over time, hoses degrade due to heat and pressure cycles.

Common issues include:
• Cracking or splitting
• Vacuum leaks reducing brake efficiency
• Hardening and reduced flexibility
• Poor engine performance due to air leaks

Replacing worn hoses restores braking performance and engine efficiency.

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

9991810225B

The product you are viewing cross references to these numbers

Hose 4 x 10mm – Throttle Body to Vacuum Limiter 

High-quality 4x10mm hose designed for Porsche 911 models from 1974 to 1977, connecting the throttle body to the vacuum limiter.

This hose plays a crucial role in maintaining correct vacuum regulation within the intake system. By linking the throttle body to the vacuum limiter, it ensures stable pressure control, supporting smooth engine operation and consistent performance.

Fits:
Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
Porsche 924 Turbo 2.0L 1979-81
Porsche 924 Turbo 2.0L 1982-84

Diagram ref no 64

Supplied per metre, this hose allows precise replacement and routing, making it ideal for maintenance, repair, or restoration of classic Porsche 911 intake and vacuum systems. Manufactured to OEM specifications for durability and reliability.

Key Features

• 4mm internal diameter, 10mm outer diameter
• Suitable for Porsche 911 (1974–1977)
• Part number 99918171540
• Connects throttle body to vacuum limiter
• Designed for intake and vacuum system use
• Sold per metre for custom length applications
• Resistant to heat and engine bay conditions
• Flexible and durable construction
• OEM-style fit and performance

Function and Purpose

This hose is a key component of the intake vacuum system.

It helps to:
• Connect throttle body to vacuum limiter
• Regulate vacuum pressure within the intake system
• Maintain stable engine performance
• Prevent vacuum leaks affecting drivability
• Support efficient combustion and airflow

Why Replace Vacuum Hoses

Over time, vacuum hoses degrade due to heat and ageing.

Common issues include:
• Cracking or splitting
• Vacuum leaks reducing engine efficiency
• Hardening and reduced flexibility
• Poor engine response and instability

Replacing worn hoses restores proper vacuum control and engine performance.

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

99918171540

The product you are viewing cross references to these numbers

Hose 4 x 10mm – Throttle Body to Vacuum Limiter 

High-quality 4x10mm hose designed for Porsche 911 models from 1974 to 1977, connecting the throttle body to the vacuum limiter.

This hose plays a crucial role in maintaining correct vacuum regulation within the intake system. By linking the throttle body to the vacuum limiter, it ensures stable pressure control, supporting smooth engine operation and consistent performance.

Fits:
Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
Porsche 924 Turbo 2.0L 1979-81
Porsche 924 Turbo 2.0L 1982-84

Diagram ref no 64

Supplied per metre, this hose allows precise replacement and routing, making it ideal for maintenance, repair, or restoration of classic Porsche 911 intake and vacuum systems. Manufactured to OEM specifications for durability and reliability.

Key Features

• 4mm internal diameter, 10mm outer diameter
• Suitable for Porsche 911 (1974–1977)
• Part number 99918171540
• Connects throttle body to vacuum limiter
• Designed for intake and vacuum system use
• Sold per metre for custom length applications
• Resistant to heat and engine bay conditions
• Flexible and durable construction
• OEM-style fit and performance

Function and Purpose

This hose is a key component of the intake vacuum system.

It helps to:
• Connect throttle body to vacuum limiter
• Regulate vacuum pressure within the intake system
• Maintain stable engine performance
• Prevent vacuum leaks affecting drivability
• Support efficient combustion and airflow

Why Replace Vacuum Hoses

Over time, vacuum hoses degrade due to heat and ageing.

Common issues include:
• Cracking or splitting
• Vacuum leaks reducing engine efficiency
• Hardening and reduced flexibility
• Poor engine response and instability

Replacing worn hoses restores proper vacuum control and engine performance.

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

99918171540

The product you are viewing cross references to these numbers

Hose - 4 x 9mm 
Sold by the metre

High-quality 4x9mm hose designed for Porsche 911 Turbo (1978–1983), 964 Turbo, and Porsche 928 (1978–1983) models, supplied per metre for precise fitment and flexible installation.

This hose is used within the inlet manifold system, where it plays a key role in maintaining correct airflow and vacuum balance. Proper function of this hose is essential for stable engine performance, efficient combustion, and reliable turbo operation.

Manufactured to OEM specifications, this hose provides durability, flexibility, and resistance to heat and pressure, making it ideal for maintenance, repair, or restoration of Porsche intake systems.

Key Features

• 4mm internal diameter, 9mm outer diameter
• Suitable for Porsche 911 Turbo (1978–1983), 964 Turbo, and 928 (1978–1983)
• Part number 00004320494
• Designed for inlet manifold and intake system use
• Sold per metre for custom length applications
• Resistant to heat and engine bay conditions
• Flexible and durable construction
• OEM-style fit and performance

Function and Purpose

This hose is an important part of the intake system.

It helps to:
• Maintain correct airflow within the inlet manifold
• Regulate vacuum pressure for engine systems
• Support efficient combustion and engine performance
• Prevent air leaks affecting drivability
• Ensure stable turbo and intake system operation

Why Replace Intake Hoses

Over time, intake hoses degrade due to heat and pressure.

Common issues include:
• Cracking or splitting
• Air leaks reducing engine performance
• Hardening and reduced flexibility
• Inconsistent engine operation

Replacing worn hoses restores proper airflow and engine efficiency.

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

00004320494

The product you are viewing cross references to these numbers

Hose - 4 x 9mm 
Sold by the metre

High-quality 4x9mm hose designed for Porsche 911 Turbo (1978–1983), 964 Turbo, and Porsche 928 (1978–1983) models, supplied per metre for precise fitment and flexible installation.

This hose is used within the inlet manifold system, where it plays a key role in maintaining correct airflow and vacuum balance. Proper function of this hose is essential for stable engine performance, efficient combustion, and reliable turbo operation.

Manufactured to OEM specifications, this hose provides durability, flexibility, and resistance to heat and pressure, making it ideal for maintenance, repair, or restoration of Porsche intake systems.

Key Features

• 4mm internal diameter, 9mm outer diameter
• Suitable for Porsche 911 Turbo (1978–1983), 964 Turbo, and 928 (1978–1983)
• Part number 00004320494
• Designed for inlet manifold and intake system use
• Sold per metre for custom length applications
• Resistant to heat and engine bay conditions
• Flexible and durable construction
• OEM-style fit and performance

Function and Purpose

This hose is an important part of the intake system.

It helps to:
• Maintain correct airflow within the inlet manifold
• Regulate vacuum pressure for engine systems
• Support efficient combustion and engine performance
• Prevent air leaks affecting drivability
• Ensure stable turbo and intake system operation

Why Replace Intake Hoses

Over time, intake hoses degrade due to heat and pressure.

Common issues include:
• Cracking or splitting
• Air leaks reducing engine performance
• Hardening and reduced flexibility
• Inconsistent engine operation

Replacing worn hoses restores proper airflow and engine efficiency.

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

00004320494

The product you are viewing cross references to these numbers

Hose - 4.5 x 9.5mm 
Sold per meter

High-quality 4.5x9.5mm hose designed for a variety of applications across Porsche 911 and 928 models, supplied per metre for precise installation and flexible routing.

Fits:

• Porsche 911 1965-1968 2.0L / 912 SWB (F)
• 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 928 4.5L 1978-82
• Porsche 928S 4.7L 1981-83
• Porsche 928S2 4.7L 1984-86

This versatile hose can be used in multiple systems including vacuum lines, fuel system connections, and air hoses, making it an essential component for maintaining proper engine operation and system efficiency.

Manufactured to OEM specifications, this hose provides durability, flexibility, and resistance to heat and fluid exposure, making it ideal for maintenance, repair, or restoration of Porsche engine bay systems.

Key Features

• 4.5mm internal diameter, 9.5mm outer diameter
• Suitable for Porsche 911 and 928
• Multi-purpose hose for vacuum, fuel, and air systems
• Sold per metre for custom length applications
• Resistant to heat and engine bay conditions
• Flexible and durable construction
• OEM-style fit and performance

Function and Purpose

This hose is used across multiple vehicle systems.

It helps to:
• Maintain vacuum pressure in engine systems
• Support fuel delivery between components
• Provide airflow within intake systems
• Ensure leak-free operation across connections
• Support overall engine performance and efficiency

Why Replace Hoses

Over time, hoses degrade due to heat, pressure, and exposure.

Common issues include:
• Cracking or splitting
• Fuel or vacuum leaks
• Hardening and reduced flexibility
• Reduced system efficiency

Replacing worn hoses ensures safe operation and reliable performance.

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

99918116750

The product you are viewing cross references to these numbers

Hose - 4.5 x 9.5mm 
Sold per meter

High-quality 4.5x9.5mm hose designed for a variety of applications across Porsche 911 and 928 models, supplied per metre for precise installation and flexible routing.

Fits:

• Porsche 911 1965-1968 2.0L / 912 SWB (F)
• 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 928 4.5L 1978-82
• Porsche 928S 4.7L 1981-83
• Porsche 928S2 4.7L 1984-86

This versatile hose can be used in multiple systems including vacuum lines, fuel system connections, and air hoses, making it an essential component for maintaining proper engine operation and system efficiency.

Manufactured to OEM specifications, this hose provides durability, flexibility, and resistance to heat and fluid exposure, making it ideal for maintenance, repair, or restoration of Porsche engine bay systems.

Key Features

• 4.5mm internal diameter, 9.5mm outer diameter
• Suitable for Porsche 911 and 928
• Multi-purpose hose for vacuum, fuel, and air systems
• Sold per metre for custom length applications
• Resistant to heat and engine bay conditions
• Flexible and durable construction
• OEM-style fit and performance

Function and Purpose

This hose is used across multiple vehicle systems.

It helps to:
• Maintain vacuum pressure in engine systems
• Support fuel delivery between components
• Provide airflow within intake systems
• Ensure leak-free operation across connections
• Support overall engine performance and efficiency

Why Replace Hoses

Over time, hoses degrade due to heat, pressure, and exposure.

Common issues include:
• Cracking or splitting
• Fuel or vacuum leaks
• Hardening and reduced flexibility
• Reduced system efficiency

Replacing worn hoses ensures safe operation and reliable performance.

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

99918116750

The product you are viewing cross references to these numbers

Hose 8 x 14mm Wastegate, Warm Up Regulator & Coolant Expansion Tank
Sold per metre

High-quality hose designed for multiple Porsche applications, including the warm-up regulator (WUR) and turbocharger wastegate systems on the Porsche 911, as well as the coolant expansion bottle on the Porsche 928.

This versatile hose supports both fuel/air control systems and coolant circulation, making it an essential component for maintaining proper engine performance, boost control, and cooling system efficiency.

Fits:

• Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
• Porsche 911 1978-1983 3.0L / SC
• Porsche 911 1975-1977 3.0L Turbo (930)
• Porsche 928 4.5L 1978-82
• Porsche 928S 4.7L 1981-83
• Porsche 928S2 4.7L 1984-86
• Porsche 928S4 5.0L 1987-92
• Porsche 928GT 5.0L 1989-91
• Porsche 928GTS 5.4L 1992-95

Diagram ref no 16 and 46  

Supplied per metre, this hose allows precise length replacement and flexible routing, making it ideal for maintenance, repair, or restoration of Porsche engine bay systems. Manufactured to OEM specifications for durability and reliable performance.

Key Features

• 8mm internal diameter, 14mm outer diameter
• Suitable for Porsche 911 and Porsche 928
• Part number 99918170950
• Multi-use: WUR, wastegate, and coolant expansion systems
• Sold per metre for custom length applications
• Resistant to heat, pressure, and fluid exposure
• Flexible and durable construction
• OEM-style fit and performance

Function and Purpose

This hose is used across several critical systems.

It helps to:
• Supply air or pressure signals to the warm-up regulator (WUR)
• Support turbocharger wastegate operation and boost control
• Transport coolant to/from the expansion bottle (928)
• Maintain system pressure and fluid flow
• Ensure reliable engine and turbo performance

Why Replace Hoses

Hoses degrade over time due to heat, pressure, and fluid exposure.

Common issues include:
• Cracking or splitting
• Boost or vacuum leaks affecting performance
• Coolant leaks leading to overheating
• Hardening and reduced flexibility

Replacing worn hoses ensures safe operation and restores system efficiency.

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

99918170950

The product you are viewing cross references to these numbers