Turn pedal effort into hydraulic pressure for your brakes with the Dorman First Stop Brake Master Cylinder M630826, a new aluminum unit with two outlets that comes with its reservoir and sensor. It fits many vehicles, among them the 2005-2007 Chevrolet Silverado 1500, 2005-2007 GMC Sierra 1500 and 2007 Chevrolet Silverado 1500 Classic, as a direct-fit replacement for all engines on the listed applications. See the Buyer's Guide tab for the full list.
Dorman precision-engineered this master cylinder to match the original unit's design, function and performance on the listed applications. It is built from new, high-quality materials for a safe, durable replacement.
- Precise replacement: The cylinder housing is built to match the casting material of the original part, with the aim of similar performance.
- Durable design: Every rubber component uses a high-quality EPDM compound that resists glycol-based brake fluid.
- 100% new: Made entirely from new materials for quality and safety.
- Strict specifications: Made to meet rigorous SAE International standards.
Specifications: The master cylinder is aluminum, with a 1.125-inch bore and two outlets. The rearward and secondary outlets both use 1/2-20 threads. The reservoir and sensor are included. Mounting hardware is not included. Country of origin: China.
A soft or spongy pedal, a pedal that slowly sinks under steady pressure, or brake fluid leaking at the cylinder may be signs this part needs replacing. Diagnose the brake system before replacing it. Follow the vehicle service information for installation and bleeding.
Interchange: 100-3915 · 10-4652 · 130.66075 · 355-47201
1741169 · 19209325 · NM4345 · MC391539 · 1003915 · 104652 · 13066075 · 35547201
This part cross-references / interchanges with the following part numbers:
100-3915, 10-4652, 130.66075, 355-47201, 1741169, 19209325, NM4345, MC391539
