





🚗 Drive with Confidence: Your Safety is Our Priority!
The NAMCCO Brake Master Cylinder (Model: BM390838) is a high-quality replacement part designed for 2003-2007 Express, Sabana, Sierra, and Yukon XL 1500-3500 HD vehicles. With a 37mm bore size and rigorous testing to SAE/JIS standards, this component ensures optimal functionality and a perfect fit. Backed by a 12-month warranty, it guarantees reliability and peace of mind for your driving experience.



| Manufacturer | NAMCCO |
| Brand | NAMCCO |
| Model | BM390838 |
| Item Weight | 3 pounds |
| Package Dimensions | 9.92 x 8.7 x 5 inches |
| Item model number | BM390838 |
| Is Discontinued By Manufacturer | No |
| Exterior | 1 |
| Manufacturer Part Number | BM390818 |
| OEM Part Number | 19209234 MC390818 M630334 130.66045 133086 F140480 103086 18047512 18M2426 Brake |
| Position | Front |
A**R
Arrived in a timely manner
Worked as described.
A**L
Great value
Great quality, fit like factory
D**N
Would not fit!!
Would not fit on my 2005 Chevy Silverado, it said that it would, but it didn’t!
T**L
fit perfectly
good value and fast shipping
A**R
Exact match
Very pleased with this product, exact match. Fantastic price and so far the part seems to be perfect after installation.
M**R
Doesnt fit 2007 chevy 1500 classic.
Doesnt fit 2007 chevy 1500 classic. Too long, and too short in the booster.
Trustpilot
3 weeks ago
1 month ago