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- 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) C4 1994-97
- Porsche 993 (911) RS 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
OE Genuine Porsche brake fluid reservoir bush for Porsche 964 and 993 models. This original Porsche rubber bush forms part of the brake fluid reservoir / brake master cylinder mounting assembly, helping locate and support the reservoir correctly while maintaining factory fitment.
Sold each.
Fits:
Porsche 964 Carrera 4 / Carrera RS / Turbo 1989-94
Porsche 993 Carrera 4 / Carrera RS / Turbo 1995-98
Diagram ref no 26
What This Part Does / Functions
• Helps locate the brake fluid reservoir correctly
• Supports the reservoir at the brake master cylinder / hydraulic assembly
• Helps reduce vibration and movement around the reservoir mounting point
• Maintains correct factory fitment of the brake fluid reservoir
• Replaces a worn, hardened, cracked or missing original rubber bush
• Helps prevent looseness or rattling around the reservoir
• Provides correct OE Porsche rubber profile and fitment
• Supports proper reassembly during brake hydraulic system service.
Why Replace This Part?
Rubber reservoir bushes can harden, crack, compress or deteriorate with age, heat, brake fluid exposure and repeated removal. A worn or missing bush can allow the brake fluid reservoir to sit incorrectly, move excessively or fail to locate properly in the mounting point. Replacing it with an OE Genuine Porsche brake fluid reservoir bush helps restore the correct reservoir support and factory mounting arrangement.
Common Symptoms of a Worn Brake Fluid Reservoir Bush
• Loose or poorly seated brake fluid reservoir
• Cracked, hardened or missing rubber bush
• Reservoir movement or vibration
• Difficulty refitting the reservoir correctly
• Fluid reservoir not sitting squarely in the mounting area
• Rubber deterioration found during brake system service
• Missing bush after previous brake master cylinder work
• Age-related wear during restoration inspection.
When to Replace This Part
• When removing or refitting the brake fluid reservoir
• During brake master cylinder replacement
• During brake fluid reservoir replacement
• If the original bush is cracked, hardened, compressed or missing
• During brake hydraulic system overhaul
• If the reservoir is loose or not correctly seated
• When restoring a Porsche 964 or 993 braking system
Where It Fits on the Car
This bush fits in the brake fluid reservoir / brake master cylinder assembly. It helps support and locate the brake fluid reservoir in the hydraulic brake system area.
Correct seating is important to ensure the reservoir is securely mounted and aligned with the related brake hydraulic components.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96435518702
The product you are viewing cross references to these numbers
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.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
L040
The product you are viewing cross references to these numbers
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
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95002
The product you are viewing cross references to these numbers
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Brake fluid DOT 4 LV (Low Viscosity) Textar.
Textar DOT 4 LV (Low Viscosity) is especially recommended for use in hydraulic brake and clutch systems of vehicles fitted with ESP, ABS and ASR with a high boiling point and outstanding performance at very low temperatures.
DOT 4 LV (Low Viscosity)
Dry Boiling Point ≥ 260° C
Wet Boiling Point ≥ 165° C
Viscosity at -40C < 750 mm2 /s
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
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95006
The product you are viewing cross references to these numbers