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πŸ”„ dorman m630439 brake master cylinder - new and improved for enhanced performance logo

πŸ”„ Dorman M630439 Brake Master Cylinder - New and Improved for Enhanced Performance Review

4

Β·

Very good

Revainrating 4 out of 5Β Β 
RatingΒ 
4.0
πŸ›‘ Brake System, 🏎️ Performance Car Parts & Accessories

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Description of πŸ”„ Dorman M630439 Brake Master Cylinder - New and Improved for Enhanced Performance

New, not remanufactured. Reservoirs, caps and fluid sensors are supplied in the majority of units.

Reviews

Global ratings 4
  • 5
    3
  • 4
    0
  • 3
    0
  • 2
    0
  • 1
    1

Type of review

Revainrating 5 out of 5

This part sucks: replacement parts

this part does exactly the same thing as the other one I took the money and wasted time getting my bag to buy this part that I have to do today!

Pros
  • reservoirs, caps and fluid gauges come in most units
Cons
  • so-so

Revainrating 5 out of 5

This part does not fit master cylinder and parts

This part does the same thing as the other one I took for money and time is wasted so I have to get out of my bag to find this part I to buy must do today!

Pros
  • Replacement parts
Cons
  • Only available in black

Revainrating 1 out of 5

This part is bad for spares

This part does the same as the other one I took from money and time is wasted so I have to get out of my pocket to buy this part, that I have to do today!

Pros
  • Spares
Cons
  • Good but not great

Revainrating 5 out of 5

You may want the store to install it.

Only installed for a month but works perfectly. One important tip: If you're installing on an Impala, you'll probably need to take it somewhere to complete the system upgrade. After we bled and installed it, we were unable to completely bleed the air from the system. I asked the local GM shop to complete the upgrade and they even had a hard time doing it. GM even issued a TSB (Technical Service Bulletin) with a special bleeding procedure because they had so many problems where they couldn't get

Pros
  • Automotive
Cons
  • Quality