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Brake master cylinder BIG BORE. Porsche 911 / 930 / 912 / 914 - 91135501202
91135501202/1
Vehicle Group
- 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 1975-1977 3.0L Turbo (930)
- Porsche 914 (1970-1976)
Information
Brake Master Cylinder BIG BORE, 23mm High Performance Version.
This is a high performance upgrade to the stock Porsche 911 Master Cylinder for non-power brake applications. The increased 23mm bore (vs. 19mm) should be used on cars that are fitted with 'larger than stock' brakes to increase pedal pressure and feel. Unlike other kits on the market, which require modifications to the lines and the push rod, our Master Cylinder is a direct fit.
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91135501202
The product you are viewing cross references to these numbers
The OE MATCH Brake Master Cylinder BIG BORE is a hydraulic braking component designed to convert brake pedal force into hydraulic pressure for the vehicle’s braking system. Featuring a larger bore design, this master cylinder is engineered to provide increased fluid displacement, making it particularly suitable for vehicles fitted with upgraded brake calipers or performance braking systems that require greater hydraulic volume.
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 1975-1977 3.0L Turbo (930)
- Porsche 914 (1970-1976)
This is a high performance upgrade to the stock Porsche 911 Master Cylinder for non-power brake applications. The increased 23mm bore (vs. 19mm) should be used on cars that are fitted with 'larger than stock' brakes to increase pedal pressure and feel. Unlike other kits on the market, which require modifications to the lines and the push rod, our Master Cylinder is a direct fit.
The master cylinder is designed to deliver precise brake pedal feel, consistent hydraulic pressure, and reliable braking performance. As the central component of the hydraulic braking system, it plays a critical role in ensuring safe, responsive, and predictable stopping power.
What This Product Does:
- Converts brake pedal input into hydraulic pressure
- Supplies brake fluid pressure to the braking system
- Provides increased fluid displacement through its larger bore design
- Supports performance and upgraded brake system applications
- Maintains consistent brake pedal feel and braking response
- Works with dual-circuit braking systems for enhanced safety
Symptoms Of Wear Or Failure:
- Soft or spongy brake pedal feel
- Brake pedal slowly sinking under pressure
- Reduced braking effectiveness
- Brake fluid leaks around the master cylinder
- Inconsistent brake pressure or pedal response
- Difficulty building hydraulic pressure
- Brake warning lights illuminating
- Internal seal wear causing pressure loss between circuits
Why Replacement Matters:
- Restores correct hydraulic pressure throughout the braking system
- Improves brake pedal feel and responsiveness
- Ensures consistent and predictable braking performance
- Prevents brake fluid leaks and pressure loss
- Supports safe operation of dual-circuit braking systems
- Maintains compatibility with performance brake upgrades
- Reduces the risk of braking system failure
- Helps preserve driver confidence and vehicle safety under all driving conditions
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91135501202
91135501202
91135501202A
The product you are viewing cross references to these numbers
Price: €74.64
Arriving soon
Related products
Vehicle Group
- 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 1975-1977 3.0L Turbo (930)
- 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 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
Information
Brake light switch 3pin.
Fits into the Brake master cylinder
Fits:
Porsche 911 1974-86
Porsche 924 1976-80
Porsche 928 1978-95
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
113945515G
The product you are viewing cross references to these numbers
Fits into the Brake master cylinder
Fits:
Porsche 911 1974-86
Porsche 924 1976-80
Porsche 928 1978-95
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
113945515G
113945515G
The product you are viewing cross references to these numbers
Price: €67.68
Orderable
Vehicle Group
- 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 914 (1970-1976)
Information
Brake Master Cylinder
For cars without stop light switch
Bore size: 19.05mm
Fits:
Porsche 911 T/E/S 2.2L / 2.4L / 2.7L 1969 - 1975
Porsche 914 (914-6 type)
The FTE brake master cylinder is a high-quality replacement hydraulic component for selected Porsche 911 models from 1969 to 1975. Designed to replace Porsche part number 90135501200, it restores correct brake-fluid pressure and dependable braking performance when the original cylinder is worn, leaking or no longer holding pressure internally.
The brake master cylinder converts brake-pedal movement into hydraulic pressure, sending brake fluid through the braking circuits to operate the wheel calipers. Its tandem design uses separate hydraulic circuits, improving system safety and helping maintain partial braking capability if one circuit develops a fault.
Manufactured by FTE, this replacement master cylinder is designed to provide accurate fitment, reliable internal sealing and consistent pedal response. It is suitable for servicing an otherwise standard braking system or completing the restoration of a classic Porsche 911.
What This Part Does
When the brake pedal is pressed, internal pistons move through the master-cylinder bore and force brake fluid into the hydraulic lines. This pressure operates the brake calipers and slows the vehicle.
A correctly functioning master cylinder is essential for:
• Firm and consistent brake-pedal feel
• Reliable hydraulic pressure generation
• Predictable braking response
• Correct operation of both braking circuits
• Secure containment of brake fluid
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90135501200
The product you are viewing cross references to these numbers
For cars without stop light switch
Bore size: 19.05mm
Fits:
Porsche 911 T/E/S 2.2L / 2.4L / 2.7L 1969 - 1975
Porsche 914 (914-6 type)
The FTE brake master cylinder is a high-quality replacement hydraulic component for selected Porsche 911 models from 1969 to 1975. Designed to replace Porsche part number 90135501200, it restores correct brake-fluid pressure and dependable braking performance when the original cylinder is worn, leaking or no longer holding pressure internally.
The brake master cylinder converts brake-pedal movement into hydraulic pressure, sending brake fluid through the braking circuits to operate the wheel calipers. Its tandem design uses separate hydraulic circuits, improving system safety and helping maintain partial braking capability if one circuit develops a fault.
Manufactured by FTE, this replacement master cylinder is designed to provide accurate fitment, reliable internal sealing and consistent pedal response. It is suitable for servicing an otherwise standard braking system or completing the restoration of a classic Porsche 911.
What This Part Does
When the brake pedal is pressed, internal pistons move through the master-cylinder bore and force brake fluid into the hydraulic lines. This pressure operates the brake calipers and slows the vehicle.
A correctly functioning master cylinder is essential for:
• Firm and consistent brake-pedal feel
• Reliable hydraulic pressure generation
• Predictable braking response
• Correct operation of both braking circuits
• Secure containment of brake fluid
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90135501200
90135501200
The product you are viewing cross references to these numbers
Price: €476.00
In stock
Vehicle Group
- 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)
Information
Brake master cylinder.
Fits:
Porsche 911 SC / Carrera 3.0L / 3.2L 1977-89
Porsche 930 Turbo with servo 3.0L 1975-1977
Note: Switches not included.
Diameter of the bore: ø 20.64mm
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91135501112
The product you are viewing cross references to these numbers
Fits:
Porsche 911 SC / Carrera 3.0L / 3.2L 1977-89
Porsche 930 Turbo with servo 3.0L 1975-1977
Note: Switches not included.
Diameter of the bore: ø 20.64mm
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91135501112
91135501112
91135501111
91135501110
The product you are viewing cross references to these numbers
Price: €821.34
Orderable