🚗 Stop Confidently, Drive Fearlessly!
The ACDelco Professional 18M2426 Brake Master Cylinder Assembly is a precision-engineered, pressure-tested component built to meet SAE J1153 and J1154 standards. Featuring a durable cast iron and aluminum body with a 0.937 inch bore diameter, it ensures reliable braking performance while preventing brake drag and premature pad wear. Designed for a perfect fit and long-lasting durability, this master cylinder is a must-have upgrade for professional-grade vehicle safety.
| Manufacturer | ACDelco |
| Brand | ACDelco |
| Model | Brake Master Cylinder Assembly |
| Item Weight | 1.33 pounds |
| Product Dimensions | 11.3 x 7.7 x 5.6 inches |
| Item model number | 18M2426 |
| Exterior | Machined |
| Manufacturer Part Number | 18M2426 |
| OEM Part Number | 19288627 |
C**
OEM made in China
Good quality and has worked well so far. This was a General Motors replacement part in a GM Delco box. Inside it says made in China. I probably won’t buy again. Will buy American made if I can find one.
T**.
GM GENUINE
OEM part! Fit was perfect. Works as it should.
D**L
Perfect Factory Replacement
Install was easy, I originally replaced my hydro pump and was still getting fluid contamination. Had to drain my brakes a few times on couple long trip. Finally replace the brake master cylinder and it fixed the problem. Pre-bleeding the master cylinder was the key to eliminating air in the lines.
D**Y
No Issues, but not ACDelco. (2006 2500HD)
The part works as intended with no issues but it's "not" ACDelco. When I cross reference the part# online nothing even comes up and it's half the weight of the OEM pump I pulled off my truck. I only say this so that anyone else interested in the part is aware and could save some money with another option.
M**S
Great
I like how it fit pretty well
D**!
This is a great master cylinder at a fair price when your engine warning light appears!
I have a 2006 GMC Sierra 2500 HD SLE with the 6.0 engine. This was exactly what the doctor ordered! My engine light came on, but this part was perfect and for a very reasonable price!
A**R
Great quality
2006 GMC Sierra Duramax. I installed it alongside all new brake lines and hoses, brakes work great and didn’t brake the bank😝.No leaks holds pressure good!
M**C
Installed on a 2003 3500 Silverado
Perfect solution for jumpy brake pedal. Dirty master cylinder and hydro boost don't work well together. I replaced my master cylinder with this unit and my brakes are back to buttery smooth with apply and release.
Trustpilot
3 weeks ago
1 week ago
