



🚗 Stop with Confidence — GM-Approved Braking Power You Can Trust
The 19420962 Brake Master Cylinder by ACDelco is a GM Genuine Parts component engineered to meet original factory specifications. It is pressure tested and certified to SAE J1153 and J1154 standards, ensuring reliable, durable braking performance tailored for GM vehicles. This precision-machined hydraulic pump guarantees a perfect fit and long-lasting service life, making it the trusted choice for professional-grade brake system maintenance.





| Manufacturer | ACDelco |
| Brand | GM Genuine Parts |
| Model | GM Original Equipment |
| Item Weight | 3.13 pounds |
| Product Dimensions | 10.3 x 8.7 x 5.3 inches |
| Item model number | 19420962 |
| Exterior | Machined |
| Manufacturer Part Number | 19420962 |
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