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35642020/1
Product Information
Product Information
Brake master cylinder with brake fluid tank. (19.05mm)
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Related, superseded, cross reference or alternative numbers for comparison.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
35642020

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