I am curious to know as to if anyone happens to know the correct brake line fitting size that mazda uses for the the brake lines?

Im converting to the four piston calipers. (dont know if mazda would have used two different sizes from the single piston)

At work i found fittings. The size is a Japanese Metric, 10 mm, Thread pithch is 1.0. I also found that a standard 3/16" fitting fits but is loose (doesn't look safe to me) although it snugs down with brake line in it.

The stock fittings that i measured taper down to 4.84cm (mind you the threads are sightly worn) and the ones i got are at 4.87cm.

These fit ok by my standards. If i were to tighten them they should seal no problem.

Any input would be great.

 

Umm.. Try it with new crush washers. Should work fine.

 

this is for the front brakes. that might work for the rear calipers.