Brake master cylinder fluid bottle. Porsche 911 / 914 - 91135501313
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91135501313/1
Product Information
Brake master cylinder reservoir (also known as a brake fluid reservoir with cap), manufactured to match original equipment specifications for classic Porsche vehicles. This reservoir holds and supplies brake fluid to the master cylinder, facilitating proper hydraulic pressure within the brake system and ensuring safe, effective braking performance.
Fits:
Porsche 911 1968
Porsche 911 1974 - 1986
Porsche 911 (930) 1975 - 1977
Porsche 914 1970 - 1976 (914-1.8/1.8V ; 914-2.0)
Diagram ref no 1.
The brake fluid reservoir sits atop the master cylinder and holds the hydraulic brake fluid needed for your vehicle’s braking system. As brake fluid levels drop during use, the reservoir compensates, ensuring uninterrupted fluid supply. Its cap seals the system, preventing contamination and fluid loss while withstanding under-hood heat and exposure to brake fluid.
Over time, brake fluid reservoirs can become cracked, brittle, or warped due to heat and constant exposure to corrosive brake fluid. A compromised reservoir can lead to fluid leaks, low brake fluid levels, and ultimately reduced braking performance or failure. Replacing it restores integrity to the brake system and helps ensure a safer, more reliable driving experience.
Replace the brake fluid reservoir when you observe any of the following:
• Visible cracks, splits, or deformations in the reservoir body
• Fluid leaks around the cap or reservoir walls
• Discoloured or contaminated reservoir plastic
• Brake fluid level dropping frequently without visible brake system leaks
• During a brake system overhaul or master cylinder replacement
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91135501313
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Product Information
Brake master cylinder fluid bottle with lid.Brake master cylinder reservoir (also known as a brake fluid reservoir with cap), manufactured to match original equipment specifications for classic Porsche vehicles. This reservoir holds and supplies brake fluid to the master cylinder, facilitating proper hydraulic pressure within the brake system and ensuring safe, effective braking performance.
Fits:
Porsche 911 1968
Porsche 911 1974 - 1986
Porsche 911 (930) 1975 - 1977
Porsche 914 1970 - 1976 (914-1.8/1.8V ; 914-2.0)
Diagram ref no 1.
The brake fluid reservoir sits atop the master cylinder and holds the hydraulic brake fluid needed for your vehicle’s braking system. As brake fluid levels drop during use, the reservoir compensates, ensuring uninterrupted fluid supply. Its cap seals the system, preventing contamination and fluid loss while withstanding under-hood heat and exposure to brake fluid.
Over time, brake fluid reservoirs can become cracked, brittle, or warped due to heat and constant exposure to corrosive brake fluid. A compromised reservoir can lead to fluid leaks, low brake fluid levels, and ultimately reduced braking performance or failure. Replacing it restores integrity to the brake system and helps ensure a safer, more reliable driving experience.
Replace the brake fluid reservoir when you observe any of the following:
• Visible cracks, splits, or deformations in the reservoir body
• Fluid leaks around the cap or reservoir walls
• Discoloured or contaminated reservoir plastic
• Brake fluid level dropping frequently without visible brake system leaks
• During a brake system overhaul or master cylinder replacement
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91135501313
91135501313
90135501300
90135501301
91135501303
91135501310
90135501302
91435501500
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Vehicle Group
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 1984-1986 3.2L
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 914 (1970-1976)
- Porsche 912E 4CYL 1976
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251611243
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Fits:
Porsche 911 1977-89
Porsche 911 (930) Turbo 1975-89
Porsche 924 1976-85
Porsche 924 S 1986-88
Porsche 928 1978-85
Porsche 944 1982-90
Porsche 968 1992-95
Click 'Zoom in' for large parts diagram.
Diagram ref no 23
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251611243
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Product Information
Brake Master Cylinder Seal. Fits:
Porsche 911 1977-89
Porsche 911 (930) Turbo 1975-89
Porsche 924 1976-85
Porsche 924 S 1986-88
Porsche 928 1978-85
Porsche 944 1982-90
Porsche 968 1992-95
Click 'Zoom in' for large parts diagram.
Diagram ref no 23
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251611243
251611243
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L040
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L040
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Product Information
Brake discs, calipers, pads and brake master cylinders are the four cardinal points of each brake system; however, they are likely to be useless without the core of the entire system, the brake fluid. This component is so neglected as to be generally controlled in a summary fashion, with topping instead of a more appropriate replacement, at the change frequency recommended by the manufacturer.
DOT 4
Having an extremely high boiling point and lower viscosity than required, it meets and greatly exceeds regulatory standards. Also suitable for vehicles with ABS.
Vapour Lock formation
This sort of habit leaves room for the Vapour Lock, the formation of vapour bubbles due to boiling of the brake fluid that replace the normal fluid and are compressed, thereby sending the brake pedal to its fill stoke (spongy pedal). The origin is incident in the porosity of the tubes that make up the braking circuit, which in time draw moisture into the fluid, drastically reducing the boiling point. The result is a reduced braking efficiency.
Brembo Premium Brake Fluid
Brembo Premium brake fluids have a higher boiling point that exceeds the standard, thus offering superior resistance to the Vapour Lock and ensuring braking efficiency even at low temperatures. With high anti-corrosion properties and resistance to oxidation, Brembo brake fluid also allows for long-term unaltered chemical/physical characteristics of the fluid in operating circuit; therefore, preserving its integrity.
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95002
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Brake fluid is one of the most important fluids in a car as without it, stopping the vehicle safely would be impossible. The Brake fluid transmits the force exerted by the driver on the brake pedal onto the wheel brake.
To ensure perfect operation of the brakes, the brake fluid must be changed regularly during inspection or maintenance and tested with the correct brake fluid tester.
Brake fluid should be changed every two years.
The higher the DOT class, the higher the boiling temperature and wet boiling point. Higher DOT classes tend to allow longer maintenance intervals. The DOT standards are based on the American FMVSS-116 standard of the Department of Transportation (DOT).
Boiling Point and Viscosity
Dry Boiling Point - describes the property of the sealed new brake fluid. In this state, the brake fluid is almost anhydrous (substance containing no water). The dry boiling point is usually between 240 and 280°C.
Wet Boiling Point - determines the property of the brake fluid at the end of its life cycle, at a water content of 3.5% the fluid should be replaced. This defined wet boiling point must not be undercut.
Viscosity - describes the flow rate of the brake fluid. The lower the viscosity, the faster the brake fluid flows through the brake system, and the faster the brake signals are transmitted.
Important Notes
• Brake fluid is poisonous and a hazardous waste.
• Be careful when changing. The fluid weakens paints and plastics.
• It must not come into contact with eyes or skin. Always rinse spilled liquid with water.
• Do not pour the liquid into drinking water or mix with used oil.
• The colour of the brake fluid reveals nothing about its quality.
• Brake fluid should be stored in its original packaging and in a dry, cool and well-ventilated place.
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95002
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Product Information
Brake fluid DOT 4 Brake fluid is one of the most important fluids in a car as without it, stopping the vehicle safely would be impossible. The Brake fluid transmits the force exerted by the driver on the brake pedal onto the wheel brake.
To ensure perfect operation of the brakes, the brake fluid must be changed regularly during inspection or maintenance and tested with the correct brake fluid tester.
Brake fluid should be changed every two years.
The higher the DOT class, the higher the boiling temperature and wet boiling point. Higher DOT classes tend to allow longer maintenance intervals. The DOT standards are based on the American FMVSS-116 standard of the Department of Transportation (DOT).
Boiling Point and Viscosity
Dry Boiling Point - describes the property of the sealed new brake fluid. In this state, the brake fluid is almost anhydrous (substance containing no water). The dry boiling point is usually between 240 and 280°C.
Wet Boiling Point - determines the property of the brake fluid at the end of its life cycle, at a water content of 3.5% the fluid should be replaced. This defined wet boiling point must not be undercut.
Viscosity - describes the flow rate of the brake fluid. The lower the viscosity, the faster the brake fluid flows through the brake system, and the faster the brake signals are transmitted.
Important Notes
• Brake fluid is poisonous and a hazardous waste.
• Be careful when changing. The fluid weakens paints and plastics.
• It must not come into contact with eyes or skin. Always rinse spilled liquid with water.
• Do not pour the liquid into drinking water or mix with used oil.
• The colour of the brake fluid reveals nothing about its quality.
• Brake fluid should be stored in its original packaging and in a dry, cool and well-ventilated place.
Find out about Textar product verification here
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95002
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00004330552
00004320366
00004320209
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