Dorman - First Stop Brake Master Cylinder P/N:M73354
Turn brake-pedal force into the hydraulic pressure that operates the brake circuits with the Dorman – First Stop Brake Master Cylinder (M630755). It installs as a direct-fit replacement for the 2011-2016 Hyundai Equus [All], 2009-2013 Hyundai Genesis [All], and 2015-2017 Kia K900 [All].
This unit has a 1-inch bore and two outlets, with M12 x 1.0 outlet threads and a 1 mm primary outlet thread pitch. The reservoir, sensor, and mounting hardware are not included; consult the vehicle service information for the correct fasteners and whether they may be reused. If a failed original master cylinder is the cause of a sinking or spongy pedal, this replaces it — diagnose the cause before replacing. Country of origin: China.
Interchange: 100-3732 · 1003732 · 13-4024 · 134024 · 11-4024 · 114024 · 130.51052 · 13051052 · 355-03048 · 35503048 · 585103M000 · NM55491 · MC391380 · R135785 · Manufacturer part number M630755.
This part cross-references / interchanges with the following part numbers:
What vehicles does this master cylinder fit?
It is a direct-fit replacement for the 2011-2016 Hyundai Equus [All], 2009-2013 Hyundai Genesis [All], and 2015-2017 Kia K900 [All]. See the Buyer's Guide tab to confirm your vehicle.
Does it include a reservoir, sensor, or mounting hardware?
No. The package contains the master cylinder only; the reservoir, sensor, and mounting hardware are not included.
What are the bore size and outlet specs?
It has a 1-inch bore and two outlets, with M12 x 1.0 outlet thread diameter and a 1 mm primary outlet thread pitch.
Is this master cylinder new or remanufactured?
It is 100% new, made entirely of new materials rather than remanufactured, and made to meet SAE International standards.
What signs may indicate the master cylinder needs replacing?
A slowly sinking pedal, a spongy pedal feel, or brake-fluid loss can be signs. Have the cause diagnosed first, since these symptoms can have other origins.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.