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Dorman - First Stop Brake Master Cylinder P/N:M630671
$202.99
Send firm hydraulic pressure to both brake circuits with the Dorman – First Stop Brake Master Cylinder M630671, a direct-fit replacement for the 2009-2014 Honda Fit [All] and 2010-2014 Honda Insight [All]. A master cylinder converts brake-pedal force into hydraulic pressure and distributes it through its outlets to the brake system, so if a worn or leaking original is causing a soft or sinking pedal, this unit replaces it.
- 100% new: built entirely from new materials, not remanufactured.
- Aluminum housing: the cylinder housing is constructed to match the casting material of the original part for similar performance.
- EPDM seals: all rubber components use a high-quality EPDM compound for resistance to glycol-based brake fluid.
- Two outlets: 1.063 in bore with M12 x 1.0 outlet threads (1 mm primary outlet thread pitch); built to meet SAE International standards.
The reservoir, mounting hardware, and sensor are not included; consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: Taiwan.
Interchange: 100-2861 · 1002861 · 13-4331 · 134331 · 11-4331 · 114331 · 130.40077 · 355-59054 · 35559054 · 46101TK6306 · NM55431 · MC391363 · F143697 · MC143697. Manufacturer part number M630671.
This part cross-references / interchanges with the following part numbers:
100-2861, 13-4331, 11-4331, 130.40077, 355-59054, 46101TK6306, NM55431, MC391363, F143697, MC143697
Frequently Asked Questions
Which vehicles does the M630671 master cylinder fit?
It is a direct-fit replacement for the 2009-2014 Honda Fit [All] and 2010-2014 Honda Insight [All]. Check the Buyer's Guide tab to confirm fitment for your vehicle.
Does this master cylinder include a reservoir, sensor, or mounting hardware?
No. The reservoir, sensor, and mounting hardware are not included. Consult the vehicle service information for the correct fasteners and whether they may be reused.
What are the bore and outlet specifications?
It has a 1.063 in bore diameter and two outlets with M12 x 1.0 threads and a 1 mm primary outlet thread pitch.
Is this a new or remanufactured unit?
It is 100% new, made entirely from new materials rather than remanufactured, with an aluminum housing and EPDM seals, built to meet SAE International standards. Country of origin: Taiwan.
What are signs a master cylinder may need replacing?
A soft or spongy pedal, a pedal that slowly sinks to the floor, or brake fluid leaks can be signs. Diagnose the cause first, since other components can produce similar symptoms.
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Dorman - First Stop Brake Master Cylinder P/N:M630671
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