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Dorman M390257 Brake Master Cylinder Review

3

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Average

Revainrating 3.5 out of 5  
Rating 
3.4
🛑 Brake System, 🏎️ Performance Car Parts & Accessories

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img 4 attached to Dorman M390257 Brake Master Cylinder

Description of Dorman M390257 Brake Master Cylinder

Precise replacement - cylinder housing is constructed to match the casting material of the original part and ensure similar performance. Durable design - all rubber components are made of high-quality EPDM compound for resistance to glycol-based brake fluid. 100% new - made entirely of new materials, not remanufactured, to ensure highest quality and safety. Strict specifications - made to meet rigorous SAE International standards. Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool.

Reviews

Global ratings 3
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Type of review

Revainrating 4 out of 5

Improved Brake Performance with This Master Cylinder!

According to my experience, this master cylinder significantly enhanced my car's braking power and responsiveness .The installation was straightforward and the quality of the materials appeared to be high. However, it did take some adjustments to get the pedal pressure just right for my liking..

Pros
  • Enhanced braking power; Quality materials
Cons
  • Some adjustments required

Revainrating 4 out of 5

Master of the Brakes

Through trial and error, I found that this brake master cylinder was the perfect replacement for my car's old, worn out one. The installation was a breeze and it instantly improved the responsiveness and overall performance of my brakes .The quality of this product is top-notch and it comes at a reasonable price. The only con I can THINK of is that it may not be compatible with all car models. Overall a great purchase for any performance car owner in need of an upgraded brake system..

Pros
  • Reliable and durable design that ensures proper functioning of the brakes.
Cons
  • Requires professional installation for optimal performance.

Revainrating 1 out of 5

New Dorman MC fell out within 5000 miles

Very disappointed that Dorman quality is not what it used to be. I installed a brand new Dorman manufactured M390257 on my K2500 Suburban when I was doing a complete brake change just 5000 miles ago and the master cylinder had just failed. The system overhaul included two brand new front brake calipers, two new rear wheel cylinders, new friction materials for each wheel, brand new lines and a low pressure system flush. I had a HARD pedal and BIG BRAKES for 5,000 miles until the main seals in…

Pros
  • 100% New - 100% new materials and not remanufactured to ensure the highest quality and safety
Cons
  • Weight