Help restore hydraulic braking pressure to your vintage International truck with the Dorman First Stop Brake Master Cylinder M630797. It is a direct-fit replacement for the listed International applications, including the 1950-1952 L150 and LM120, the 1958-1960 AM130, the 1963-1964 C1200 and the 1968 1300C. Dorman precision-engineered it to match the original master cylinder's design, function and performance on the listed applications.
- Precise replacement: The cast-iron cylinder housing is built to match the original part's casting material for similar performance.
- EPDM rubber components: Every rubber component uses a high-quality EPDM compound that resists glycol-based brake fluid.
- 100% new: Made entirely of new, high-quality materials for a safe, durable replacement.
- Strict specifications: It is produced to meet rigorous SAE International standards.
Specifications: single reservoir (included), two outlets, 1.125 in bore diameter and a 1/2-20 rearward outlet. The package contains one master cylinder. Mounting hardware and a sensor are not included, so consult the vehicle service information for the correct fasteners and whether the originals may be reused. Country of origin: Taiwan.
A brake master cylinder turns pedal force into hydraulic pressure for the wheel brakes. Signs it may need replacing include a soft pedal, a pedal that slowly sinks under steady pressure, or fluid leaking at the cylinder. Diagnose the brake system before replacing parts.
Fitment (engine: All, qty 1): 1950-1952 International L150 · 1950-1952 International LM120 · 1951-1952 International L151 · 1953-1955 International RM120 · 1958 International A110 · 1958 International A120 · 1958 International A130 · 1958-1959 International AM120 · 1958-1960 International AM130 · 1959-1960 International B110 · 1959-1960 International B120 · 1959-1960 International B130 · 1961-1962 International C120 · 1961-1962 International C130 · 1963-1964 International C1200 · 1963-1964 International C1300 · 1965 International D1200 · 1965 International D1300 · 1966 International 1200A · 1966 International 1300A · 1967 International 1300B · 1968 International 1300C. See the Buyer's Guide tab for full details.
Interchange: 100-4248 · 130.70007 · 355-71006
5461345 · 242768R91 · 261572C91 · 89410R91 · 1004248 · 13070007 · 35571006
This part cross-references / interchanges with the following part numbers:
100-4248, 130.70007, 355-71006, 5461345, 242768R91, 261572C91, 89410R91
