




🚗 Upgrade your brake game with precision and confidence!
The Dorman M630940 Brake Master Cylinder is a 100% new, precision-engineered replacement part designed specifically for select Hyundai Sonata (2015-2019) and Kia Optima (2016-2019) models. Constructed with durable EPDM rubber components and built to meet rigorous SAE standards, it ensures reliable braking performance and a perfect OEM fit. Ideal for professionals seeking a safe, long-lasting brake system upgrade.










| ASIN | B01N07K4NH |
| Best Sellers Rank | #2,129,215 in Automotive ( See Top 100 in Automotive ) #7,705 in Automotive Replacement Brake Hydraulic Parts |
| Brand | Dorman |
| Customer Reviews | 3.5 3.5 out of 5 stars (8) |
| Date First Available | November 11, 2016 |
| Exterior | Painted |
| Item Weight | 2.1 pounds |
| Item model number | M630940 |
| Manufacturer | Dorman Products |
| Manufacturer Part Number | M630940 |
| Model | Brake Master Cylinder |
| OEM Part Number | 130.51073; MC391510; 58510-C1500 |
| Product Dimensions | 9.25 x 6.18 x 9.84 inches |
D**S
Very good for the price
Exactly as described Working great so far
D**B
Not a good experience
Replaced the Master Cylinder with this one and ended up with brake fluid in the engine. Had it towed and was told by the mechanic it was a faulty part. Expensive fix.
R**Y
Not good
Worked great for 3 weeks pedal getting soft again scary but it stops for now have to replace it again bad part.
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