Turn pedal effort into hydraulic braking pressure with the Dorman brake master cylinder M630841 from Dorman - First Stop. It is a direct-fit replacement for the 2012-2015 Honda Civic (all engines). It is precision-engineered to match the design, function and performance of the original master cylinder on that application.
- Precise replacement: the aluminum cylinder housing is built to match the casting material of the original part for similar performance.
- Durable design: every rubber component uses a high-quality EPDM compound to resist glycol-based brake fluid.
- 100% new: made entirely of new materials for quality and safety.
- Strict specifications: made to meet rigorous SAE International standards.
Specifications: single reservoir (included), 0.75 in bore diameter, and two outlets. The secondary and rearward outlet threads are M12 x 1.0, and the primary outlet thread pitch is 1 mm. A sensor and mounting hardware are not included. Country of origin: China.
The master cylinder converts brake-pedal force into hydraulic pressure and sends it through the brake lines. Signs that a 2012-2015 Honda Civic master cylinder may need replacing include a soft or slowly sinking pedal and brake fluid seeping from the cylinder. Diagnose the cause before replacing. This Dorman master cylinder is sold as one unit, and the listed application uses one per vehicle.
Interchange: 100-3768 · 13-4565 · 11-4565 · 130.40082 · 355-59058
1003768 · 134565 · 114565 · 13040082 · 35559058 · 46100TR0A01 · 46100TR3A01 · 46100TR3A02 · 46101TR0305 · NM55483 · NM55613 · MC391461 · MC391504
This part cross-references / interchanges with the following part numbers:
100-3768, 13-4565, 11-4565, 130.40082, 355-59058, 46100TR0A01, 46100TR3A01, 46100TR3A02, 46101TR0305, NM55483, NM55613, MC391461, MC391504
