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- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1975-1977 3.0L Turbo (930)
Diaphragm Diameter: 194mm
Fits:
Porsche 911/911S 1974-77
Porsche 911 Carrera 3.0 1974-77
Porsche 911 Turbo 1977>>
Click 'Zoom in' for large parts diagram.
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91135502700
The product you are viewing cross references to these numbers
- 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 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 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
Brake Servo Gasket – Brake Booster to Bulkhead Seal
High-quality replacement brake servo gasket
This essential sealing component is installed between the
brake booster (servo) and the vehicle bulkhead, ensuring an airtight seal
within the braking system. It plays a critical role in maintaining proper
vacuum pressure for consistent brake assistance and pedal feel.
Fits:
- 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 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 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 13
Manufactured to OEM specifications, this gasket provides a precise fit and reliable sealing performance, making it ideal for both maintenance and restoration work.
Key Features
• Direct replacement brake servo gasket
• Fits between brake booster and bulkhead
• OEM-style fit and sealing performance
• Maintains vacuum integrity within braking system
• Durable material for long-term reliability
• Ideal for repair, servicing, or restoration
Function and Purpose
The brake servo gasket ensures a proper seal between the brake booster and bulkhead.
It helps to:
• Maintain correct vacuum pressure for brake assistance
• Prevent air leaks in the braking system
• Support consistent brake pedal feel
• Protect against contamination and moisture ingress
Why Replace Your Brake Servo Gasket
Over time, gaskets can degrade due to age, heat, and exposure.
Common issues include:
• Vacuum leaks affecting brake performance
• Hardened or cracked gasket material
• Reduced braking assistance
• Poor sealing between components
Replacing the gasket restores proper braking function and system reliability.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
477611951
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