Turn pedal effort into hydraulic brake pressure with the Dorman First Stop Brake Master Cylinder, part number M630952. This 100% new unit is precision-engineered to mirror the design, function and performance of the original master cylinder. It fits many vehicles, among them the 2015-2020 Ford F-150, 2019-2020 Ford Expedition and 2015-2019 Ford Lobo, as a direct-fit replacement for the listed applications. See the Buyer's Guide tab for the full list.
When you press the pedal, the master cylinder pushes brake fluid through the lines to apply the brakes. If a worn or leaking F-150 master cylinder is behind a soft pedal, this unit replaces it.
- Precise replacement: The cylinder housing is cast iron, matching the casting material of the original part for 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: Built to meet rigorous SAE International standards.
Specifications: 1.375 in. bore diameter, two outlets, M14x1.5 rearward outlet, M10x1.5 secondary outlet thread and 1.5 mm primary outlet thread pitch. The package contains the master cylinder only. The reservoir, sensor and mounting hardware are not included. Country of origin: China.
Interchange: 100-3982 · 130.65146 · 355-54262
1003982 · 13065146 · 35554262 · 131 · FL3Z2140A · FL3Z2140C · GL3Z2140A · HL3Z2140A · NM4315 · MC391487
This part cross-references / interchanges with the following part numbers:
100-3982, 130.65146, 131, 355-54262, FL3Z2140A, FL3Z2140C, GL3Z2140A, HL3Z2140A, NM4315, MC391487
