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Review on Dorman M630452 Brake Master Cylinder by Jerry Olson

Revainrating 5 out of 5

Simple, lightweight, fits like OEM

It took some time to bleed it on the workbench but eventually all air was removed and installation was very easy. I didn't notice the difference between the stock and this Dorman. 2007 nnbs Sierra.

Pros
  • Constant test results
Cons
  • Functionality