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Brake Master Cylinder
By OE Match
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 356B 1959-63
- Porsche 356C 1963-65
- Porsche 914 (1970-1976)

Fits:
Porsche 356 B / C 1960-65
Porsche 911 1965-67
Porsche 911 1970-73
Porsche 914 1970-76
Click 'Zoom in' for large parts diagram.
Diagram ref 19
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91461349100
The product you are viewing cross references to these numbers
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
This OE Match brake master cylinder with tank is a replacement hydraulic brake component for Porsche 356 models from 1950 to 1963. It includes the brake master cylinder and reservoir tank, helping restore correct brake fluid pressure and reliable brake system operation.
Fits:
Porsche 356 1.1-1.5L 01/1950 - 12/1955
Porsche 356A 1.5L 01/1955 - 12/1961
Porsche 356B 1.6L 01/1959 - 12/1963
The brake master cylinder converts pedal force into hydraulic pressure, sending brake fluid through the brake lines to operate the wheel cylinders or brake calipers. The integrated tank / reservoir holds the brake fluid supply required for the hydraulic braking system.
Functions
• Replaces the brake master cylinder and fluid tank
• Converts brake pedal force into hydraulic pressure
• Supplies brake fluid to the braking system
• Supports correct brake pedal feel and braking response
• Helps restore safe hydraulic brake operation
• Replaces leaking, seized, worn, or corroded original master cylinders
• OE Match replacement for classic Porsche brake system repair.
Why Replace This Part?
Brake master cylinders can wear internally, leak, corrode, seize, or lose hydraulic pressure over time. The fluid tank can also become stained, brittle, cracked, or contaminated. A failing master cylinder may cause a soft or sinking brake pedal, fluid loss, poor braking performance, uneven braking, or brake system failure. Replacing the master cylinder and tank helps restore safe braking performance and reliability.
When to Replace This Part
• The brake pedal feels soft, spongy, or sinks under pressure
• Brake fluid is leaking from the master cylinder
• The reservoir tank is cracked, stained, brittle, or damaged
• Braking performance is poor or inconsistent
• Air repeatedly enters the hydraulic brake system
• The brake system is being rebuilt or recommissioned
• The vehicle is undergoing Porsche 356 restoration or brake overhaul.
Where it fits on the car
This brake master cylinder with tank fits within the hydraulic brake system on Porsche 356 models. It is mounted in the master cylinder position and connects to the brake pedal linkage, brake fluid reservoir / tank, and hydraulic brake lines according to the factory layout.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
35642020
The product you are viewing cross references to these numbers
- Porsche 356C 1963-65
The OE Match Brake Master Cylinder, Without Brake Light Switch is a premium-quality replacement hydraulic braking component designed to restore safe, reliable braking performance on compatible classic Porsche models. Manufactured to OE specifications for fit, hydraulic performance and durability, this master cylinder converts brake pedal force into hydraulic pressure, delivering consistent braking performance across the entire braking system.
Fits:
- Porsche 356C 1963-65
Manufactured from high-quality precision-machined cast metal with corrosion-resistant internal components and premium rubber seals, the master cylinder is engineered to withstand high hydraulic pressures, repeated braking cycles and prolonged exposure to brake fluid. Precision-built for direct OE-style installation, this unit is supplied without the brake light switch, allowing the original switch to be transferred where appropriate or replaced separately if required.
What This Product Does:
- Converts brake pedal input into hydraulic brake pressure.
- Supplies pressurised brake fluid to the braking system.
- Delivers consistent braking performance.
- Maintains balanced hydraulic pressure to the wheel brakes.
- Supports safe and predictable stopping performance.
- Restores factory braking feel and pedal response.
- Provides direct OE-style fitment.
- Forms an essential part of the vehicle's hydraulic braking system.
Symptoms Of Wear Or Failure:
- Soft or spongy brake pedal.
- Brake pedal slowly sinking under pressure.
- Reduced braking performance.
- Internal or external brake fluid leaks.
- Increased stopping distances.
- Brake warning light illuminated (where applicable).
- Difficulty building hydraulic brake pressure.
- Contaminated or leaking seals.
- Uneven brake performance.
- MOT or vehicle inspection failure due to hydraulic braking faults.
Why Replacement Matters:
- The brake master cylinder is subjected to constant hydraulic pressure and repeated operation throughout the vehicle's life. Over time, internal seals, pistons and cylinder bores can wear or corrode, allowing hydraulic pressure to escape and reducing braking efficiency.
- A failing master cylinder can result in a soft brake pedal, reduced braking force, fluid leaks and significantly longer stopping distances. Continued operation with a faulty master cylinder can compromise vehicle safety and place additional strain on other braking system components.
- Replacing a worn or damaged brake master cylinder restores the hydraulic integrity of the braking system and ensures consistent, predictable braking performance. The OE Match replacement provides factory-style fitment, premium-quality construction and long-lasting durability, helping maintain the braking confidence, safety and reliability expected from your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
69535501100
The product you are viewing cross references to these numbers
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
The OE Match Front Wheel Brake Cylinder 19.05mm is a premium-quality replacement hydraulic brake cylinder designed for compatible Porsche models equipped with drum brake front axles. Manufactured to OE specifications for fit, bore size and durability, this 19.05mm wheel cylinder converts hydraulic brake pressure into mechanical force, pushing the brake shoes against the drum to deliver safe, smooth and reliable braking performance.
Fits:
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
Diagram Ref No 8
Manufactured from high-quality cast metal with precision-machined internal bores, corrosion-resistant pistons and high-performance rubber seals, the wheel cylinder is engineered to withstand high hydraulic pressures, repeated braking cycles and prolonged exposure to brake fluid. Designed for direct OE-style installation, it restores dependable braking performance and helps maintain the original operation of the front braking system.
What This Product Does:
- Converts hydraulic brake pressure into mechanical braking force.
- Pushes the brake shoes evenly against the brake drum.
- Delivers smooth and consistent front braking performance.
- Maintains correct hydraulic pressure within the drum brake system.
- Provides balanced braking across the front axle.
- Features a precision 19.05mm bore for OE performance.
- Restores factory braking efficiency and pedal feel.
- Forms an essential part of the hydraulic front drum brake system.
Symptoms Of Wear Or Failure:
- Brake fluid leaks from the wheel cylinder.
- Soft or spongy brake pedal.
- Reduced front braking performance.
- Vehicle pulling to one side during braking.
- Brake shoes contaminated with brake fluid.
- Sticking or seized brake pistons.
- Uneven brake shoe wear.
- Reduced braking efficiency.
- Brake warning light caused by low brake fluid.
- MOT or vehicle inspection failure due to leaking hydraulic components.
Why Replacement Matters:
- The wheel brake cylinder operates under high hydraulic pressure every time the brakes are applied and is continually exposed to brake fluid, moisture and temperature changes. Over time, the internal seals can deteriorate, while corrosion or wear within the cylinder bore may cause leaks or prevent the pistons from moving freely.
- A failing wheel cylinder can significantly reduce braking performance, contaminate the brake shoes with fluid and create an inconsistent brake pedal feel. Continued operation with a leaking or seized cylinder can increase stopping distances, accelerate brake component wear and compromise vehicle safety.
- Replacing a worn or damaged front wheel brake cylinder restores reliable hydraulic operation and balanced braking performance. The OE Match replacement features a precision 19.05mm bore, factory-style fitment and premium-quality materials, ensuring dependable braking, improved safety and long-lasting durability for your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
69535151
The product you are viewing cross references to these numbers
-
Brake 356, 356A 1950-1959 602-000
-
Brake master cylinder / and Brake lines 356, 356A 1950-1959 604-000
-
Transmission case with Transmission suspension 356B / 356C 1960-1965 302-000
-
Brake (Model: 356 B, CARRERA, 1600 GT) 356B 1960-1965 602-000
-
Wheel brake cylinder / Brake master cylinder (Model: 356 B, CARRERA 2000) 356B 1960-1965 604-000
-
Brake master cylinder / Brake fluid reservoir 356C 1960-1965 604-005
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.