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- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
Diaphragm Diameter: 215mm
This vacuum brake booster (also known as a brake servo) is a replacement part designed to OE specifications. It restores proper brake booster operation, ensuring safe, powerful, and responsive braking.
Fits:
Porsche 911 SC 1978 - 1983
Porsche 911 Carrera 1984 - 1989
Diagram ref no 10
Location: Mounted between the brake pedal linkage / master cylinder and the firewall, inside the engine bay, it provides vacuum assist to the master cylinder.
This brake vacuum booster helps multiply your braking power, making the pedal easier to press while ensuring smooth, safe, and reliable stopping performance.
Why replacement matters:
• Over time, original boosters may develop internal leaks, diaphragm deterioration, or loss of vacuum integrity, leading to a hard brake pedal and diminished braking assistance
• A failing booster reduces braking efficiency, making stops less responsive and potentially dangerous
• Replacing ensures the correct internal design, vacuum chamber dimensions, diaphragm strength, and sealing to match the original factory part
• Avoids costly repairs or unsafe driving conditions due to degraded brake assist
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93035502701
The product you are viewing cross references to these numbers
- 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
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
- Porsche 911 1978-1989 3.3L Turbo (930)
- 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 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
Hose 12x19mm – Brake Servo & Inlet Manifold
Sold by the metre
High-quality 12x19mm hose designed for Porsche 911 turbo, 924, 928, and 944 models, supplied per metre for flexible installation and precise fitment.
This hose is used across both brake servo (brake booster) vacuum systems and inlet manifold applications, particularly on the 911 turbo and Porsche 928, where it plays a critical role in maintaining correct airflow and vacuum pressure.
Manufactured to OEM specifications, this hose ensures durability, flexibility, and resistance to heat and pressure, making it ideal for maintenance, repair, or restoration of Porsche braking and intake systems.
Key Features
• 12mm internal diameter, 19mm outer diameter
• Suitable for Porsche 911 Turbo, 924, 928, and 944
• Part number 99923901140
• Used for brake servo and inlet manifold applications
• Sold per metre for custom length requirements
• Resistant to heat and vacuum pressure
• Flexible and durable construction
• OEM-style fit and performance
Function and Purpose
This hose is a key component 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 performance
• Prevent vacuum leaks affecting operation
Why Replace Vacuum / Air Hoses
Over time, hoses degrade due to heat and pressure cycles.
Common issues include:
• Cracking or splitting
• Vacuum leaks reducing brake performance
• Hardening and reduced flexibility
• Air leaks affecting engine efficiency
Replacing worn hoses restores proper braking and engine system performance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99923901140
The product you are viewing cross references to these numbers
- 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
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
The product you are viewing cross references to these numbers