Dynamic Friction Company Brake Master Cylinder P/N:355-47185
Dynamic Friction 355-80002 brake master cylinder for the 1979 Mazda RX-7 turns pedal force into hydraulic pressure for the brakes. Fluid pushed out of the cylinder travels through the brake lines to the brakes at the wheels.
A pedal that feels soft or sinks slowly, or brake fluid showing on the cylinder body, can mean the master cylinder is worn. Before you replace it, rule out a leak at a brake line, caliper or wheel cylinder, and worn pads or shoes, since those can also leave the pedal soft.
This master cylinder fits the 1979 Mazda RX-7, which takes one.
Is the Dynamic Friction brake master cylinder 355-80002 the right one for the 1979 Mazda RX-7?
Yes. Dynamic Friction 355-80002 fits the 1979 Mazda RX-7, and the car takes one.
Does this brake master cylinder come with its own reservoir?
Yes. Dynamic Friction 355-80002 includes the fluid reservoir with the cylinder.
What bore size does this master cylinder have?
Dynamic Friction 355-80002 has a bore size of 13/16 inch.
How can I tell if my master cylinder is leaking?
Wet brake fluid on the cylinder body, a soft or sinking pedal, or a reservoir level that keeps dropping can all be signs. A shop can pressure-test the system to find the source.
Can I keep driving with a leaking brake master cylinder?
No. A leaking or failing master cylinder can reduce braking, so have it checked or replaced promptly.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.