Dorman - First Stop Brake Master Cylinder P/N:M630755

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$198.99
MPN: M630755
UPC: 885484182837
Item Package Quantity: 1

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Dorman - First Stop Brake Master Cylinder P/N:M630755
Dorman - First Stop Brake Master Cylinder P/N:M630755
$198.99

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].

  • 100% new: made entirely of new materials, not remanufactured.
  • Aluminum housing built to match the casting material of the original part for similar performance.
  • EPDM rubber components for resistance to glycol-based brake fluid.
  • Made to meet rigorous SAE International standards.

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:

100-3732, 13-4024, 11-4024, 130.51052, 355-03048, 585103M000, NM55491, MC391380, R135785

Frequently Asked Questions

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.