









🚗 Stop Confidently, Drive Boldly — Master Your Brakes with ACDelco!
The ACDelco 18M1878 Professional Brake Master Cylinder Assembly is a premium aftermarket replacement designed with precision-matched fit and durable cast iron and aluminum materials. It meets stringent SAE brake performance standards and is pressure-tested for safety. Featuring heat- and corrosion-resistant rubber components, this ready-to-install unit ensures reliable braking performance and longevity, making it the trusted choice for professional-grade vehicle maintenance.





| Manufacturer | ACDelco |
| Brand | ACDelco |
| Product Dimensions | 23.88 x 14.73 x 12.19 cm; 635.03 g |
| Item model number | 18M1878 |
| OEM Part Number | 19176488 |
| Item Dimensions L x W x H | 23.9 x 14.7 x 12.2 cm |
| Item Weight | 635 g |
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