Rovertech,

Just a note that the 3200 is the same as the 3100 when it comes to brake components.

Original GM Part number for 3100/3200 wheel brake cylinders:

Left Front = 5455478 (1/18" diameter)

Right Front = 5455479 (1-1/8" diameter)

Rear (both left and right same) = 5455486 (1" diameter)

If you do a web search, you will find these available from most of our usual vendors. If you look at Rockauto, just use the 3100 info to search and you will find what you seek.

Dan


~ Dan
1951 Chevy 3 window 3100
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