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Brake Master Cylinder
By OE Match
- Porsche 964 (911) C2 1989-93
Brake Master Cylinder
Restore the braking performance and safety of your Porsche
with this OE Match Brake Master Cylinder. Manufactured to
original equipment specifications, this premium-quality replacement master
cylinder delivers precise hydraulic pressure, consistent brake pedal feel and
dependable braking performance for everyday driving and spirited road use.
Fits:
- Porsche 964 (911) C2 1989-93
Diagram ref no 9
The brake master cylinder is the heart of the hydraulic braking system. Every time you press the brake pedal, it converts mechanical force into hydraulic pressure, distributing brake fluid to each brake caliper. A worn or failing master cylinder can reduce braking efficiency, increase stopping distances and compromise vehicle safety, making timely replacement essential.
Manufactured using precision-machined internal components and high-quality seals, this OE Match brake master cylinder is engineered for long service life, excellent reliability and direct replacement fitment.
What Does the Brake Master Cylinder Do?
The brake master cylinder generates and distributes hydraulic pressure throughout the braking system.
Its primary functions include:
- Converting brake pedal movement into hydraulic pressure.
- Delivering brake fluid evenly to all four brake calipers.
- Maintaining consistent brake pedal feel.
- Providing balanced braking performance.
- Supporting the operation of the ABS braking system.
- Ensuring safe and predictable stopping performance.
Without a correctly functioning master cylinder, the braking system cannot operate effectively.
Why Does the Brake Master Cylinder Fail?
Over time, the internal components are subjected to constant
hydraulic pressure and brake fluid exposure. Common causes of failure include:
- Wear of the internal piston seals.
- Contaminated or degraded brake fluid.
- Corrosion inside the cylinder bore.
- Moisture absorption in the brake fluid.
- High mileage and age-related wear.
- Damage caused by neglected brake fluid changes.
Regular brake fluid replacement helps prolong the life of the master cylinder and the entire braking system.
Symptoms of a Failing Brake Master Cylinder
Typical warning signs include:
- Soft or spongy brake pedal.
- Brake pedal slowly sinking under constant pressure.
- Reduced braking performance.
- Internal hydraulic pressure loss.
- Brake fluid leaks around the master cylinder.
- Inconsistent pedal feel.
- Increased stopping distances.
- Brake warning light illumination (in some cases).
If any of these symptoms are present, the master cylinder should be inspected and replaced immediately if found to be faulty.
When Should the Brake Master Cylinder Be Replaced?
Replacement is recommended when:
- Internal seals begin to fail.
- Hydraulic pressure cannot be maintained.
- Brake fluid leakage is detected.
- The cylinder bore becomes corroded.
- Carrying out a complete brake system restoration.
- Replacing ageing hydraulic braking components.
- Brake performance deteriorates despite correctly functioning calipers and hoses.
Replacing the master cylinder restores braking confidence and helps maintain the original performance of your Porsche.
Please note if the fitting instructions are not followed this will damage the unit.
For Installation Instructions please CLICK HERE
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96435501503
The product you are viewing cross references to these numbers
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
The OE Match Brake Master Cylinder is a precision-engineered hydraulic braking system component designed to convert brake pedal force into hydraulic pressure, enabling effective operation of the vehicle's braking system. Manufactured to OE specifications for fit, performance and durability, this master cylinder is a critical safety component that ensures consistent and reliable braking performance under all driving conditions.
Fits:
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Constructed from high-quality materials with precision-machined internal bores, pistons and durable seals, the brake master cylinder is designed to withstand continuous hydraulic pressure cycles and prolonged use. It distributes brake fluid pressure throughout the braking system, allowing the brake calipers or wheel cylinders to apply the necessary braking force when the pedal is pressed.
What This Product Does:
- Converts brake pedal input into hydraulic pressure.
- Supplies brake fluid pressure to the braking system.
- Operates brake calipers or wheel cylinders.
- Ensures consistent and responsive braking performance.
- Maintains proper hydraulic balance throughout the braking circuit.
- Supports safe vehicle stopping and control.
- Provides reliable brake pedal feel and response.
- Forms a vital part of the vehicle's primary braking system.
Symptoms Of Wear Or Failure:
- Soft, spongy or inconsistent brake pedal feel.
- Brake pedal slowly sinking towards the floor.
- Increased stopping distances.
- Reduced braking efficiency.
- Brake fluid leaks around the master cylinder.
- Low brake fluid level without visible external leaks elsewhere.
- Brake warning light illumination.
- Uneven brake pressure distribution.
- Difficulty maintaining consistent braking performance.
- Complete loss of hydraulic braking pressure in severe cases.
Why Replacement Matters:
- The brake master cylinder is one of the most important safety-critical components in the vehicle. It operates every time the brake pedal is pressed and is subjected to constant hydraulic pressure, temperature fluctuations and fluid movement. Over time, internal seals can wear, pistons may deteriorate and corrosion can develop within the cylinder bore, reducing braking efficiency.
- A failing brake master cylinder can significantly compromise braking performance, increasing stopping distances and reducing driver confidence. If left unresolved, hydraulic pressure loss may lead to partial or complete brake failure, creating a serious safety risk for both vehicle occupants and other road users.
- Replacing a worn or faulty brake master cylinder restores proper hydraulic pressure, improves brake response and ensures safe, reliable braking performance. An OE Match replacement provides factory-style fitment, dependable sealing and long-term durability, helping maintain the braking performance, safety and reliability expected from your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96435590300
The product you are viewing cross references to these numbers
- 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
Brake Servo Cylinder Gasket
High-quality replacement brake servo cylinder gasket designed for Porsche 964 and 993 models, including Carrera 4, Turbo, and RS variants.
This gasket provides a secure seal between the brake servo
(booster) and cylinder assembly, ensuring proper vacuum operation and
consistent braking performance. It is a critical component in maintaining
braking system efficiency and safety.
Fits:
Diagram ref no 22
Manufactured to OEM specifications, this gasket offers precise fitment and reliable sealing performance—ideal for maintenance, repair, or restoration of high-performance Porsche braking systems.
Key Features
• Direct replacement brake servo cylinder gasket
• Suitable for Porsche 964 and 993 Carrera 4, Turbo, and RS models
• Ensures proper vacuum sealing within braking system
• OEM-style fit and performance
• Durable material for long-term reliability
• Ideal for servicing, repair, or restoration
Function and Purpose
This gasket seals the connection within the brake servo system.
It helps to:
• Maintain correct vacuum pressure for brake assistance
• Prevent air leaks in the braking system
• Ensure consistent brake pedal feel
• Support safe and reliable braking performance
Why Replace Your Brake Servo Gasket
Brake system seals can degrade over time due to heat and age.
Common issues include:
• Vacuum leaks reducing brake assistance
• Hardened or cracked gasket material
• Inconsistent braking performance
• Reduced system efficiency
Replacing the gasket restores proper braking function and safety.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96435585100
The product you are viewing cross references to these numbers
OEMatch Brake Master Cylinder — Fit, Function, Confidence
OEMatch supplies a broad selection of parts for Porsche models, with a large catalogue of part numbers and extensive OE cross-references to support restorations and repairs. These replacement master cylinders are intended to restore reliable hydraulic control and a consistent pedal feel across road and track use.
Available Types
- Replacement units for classic Porsche restoration
- Replacement units for modern Porsche road models
- Units suited to road and motorsport preparation
Understanding OEMatch Brake Master Cylinder
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original brake master cylinder. OE (Original Equipment) refers to parts matching original specifications for the brake master cylinder and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM brake master cylinder engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
The brake master cylinder converts pedal pressure into hydraulic force that operates the brake calipers. It maintains even brake force distribution, supports ABS and traction control systems where fitted, and sustains a firm, predictable pedal feel when functioning correctly.
Benefits Include
- Restores safe and consistent braking performance and pedal feel
- Prevents fluid leaks and loss of hydraulic pressure
- Maintains correct brake balance across all wheels
- Constructed to resist corrosion and withstand thermal cycling
Why Brake Master Cylinder Wear and Fail
- Worn internal seals leading to pressure loss or external leaks
- Corrosion from moisture-contaminated brake fluid
- Scored or pitted cylinder bores that reduce seal integrity
- Air ingress or age-related degradation of rubber components
The Importance of Replacing with OEMatch Brake Master Cylinder
Timely replacement restores full hydraulic pressure and consistent braking response, helping to preserve control and safety for Porsche models. A serviceable master cylinder reduces the risk of spongy pedals, fluid loss and uneven brake performance while supporting systems such as ABS that depend on stable hydraulic input.
Advantages
- Manufactured to original-spec dimensions and tolerances for fit and function
- Suitable for both classic restoration and modern Porsche applications
- Supported by OEMatch’s catalogueuing and cross-references for easier part identification
Support & Advice
These items affect safety-critical systems. Installation should be carried out by a qualified technician following model-specific procedures and torque settings. Use calibrated tools and new fasteners where specified.
-
Brake Pad Wear Sensors
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Brake Pad Anti-vibration shims
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Caliper Bolts / Disc Screws
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Performance Brake Hoses
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Standard Brake Hoses
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Caliper and Brake Lines
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Brake Calipers
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Brake Caliper Upgrades
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Handbrake Shoes
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Handbrake Cables
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Brake Disc Cover Plates
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ABS | Speed Sensors
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Caliper Seals |Pistons
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Brake Servo | Booster
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Brake Fluid Reservoir
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Brake Fluid
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DesignTek Brake Kits
