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Dorman - First Stop Brake Master Cylinder P/N:M630192
$224.99
Turn brake-pedal effort into the hydraulic pressure your braking system relies on with the Dorman - First Stop Brake Master Cylinder (P/N M630192). It installs as a direct-fit replacement for the 1999-2005 Hyundai Sonata [All], the 2002 Hyundai XG350 [All], and the 2001-2002 Kia Optima [All]. Two outlets feed the primary and secondary brake circuits, and the aluminum unit arrives 100% new rather than remanufactured for a straightforward repair.
- Aluminum housing: the cylinder housing is built to match the casting material of the original part for comparable performance.
- EPDM rubber components: all rubber parts use a high-quality EPDM compound for resistance to glycol-based brake fluid.
- 100% new: made entirely of new materials, not remanufactured, and made to meet rigorous SAE International standards.
- Includes reservoir and sensor: ships with the fluid reservoir and sensor; mounting hardware is not included.
The bore measures 1 inch, with two outlets sized M10 x 1.0. Signs the original master cylinder may need replacing include a brake pedal that slowly sinks toward the floor under steady pressure, a soft or spongy pedal, or unexplained brake-fluid loss. If a failed master cylinder is the cause, this replaces it—diagnose the underlying issue before installing. Consult the vehicle service information for the correct mounting fasteners and whether they may be reused. Country of origin: China.
Interchange: 83-16721 · 8316721 · 100-2032 · 1002032 · M-52721 · M52721 · 072-9447 · 0729447 · 13-3302 · 133302 · 11-3302 · 113302 · 130.51021 · MC511820 · 355-03021 · 35503021 · 5851038304 · M55153 · NM55153 · MC390726 · F141145 · MC141145
Manufacturer part number M630192
This part cross-references / interchanges with the following part numbers:
83-16721, 100-2032, M-52721, 072-9447, 13-3302, 11-3302, 130.51021, MC511820, 355-03021, 5851038304, M55153, NM55153, MC390726, F141145, MC141145
Frequently Asked Questions
Does this master cylinder include the reservoir and sensor?
Yes. Per the attributes it ships with the fluid reservoir and the sensor. Mounting hardware is not included.
What vehicles does the M630192 fit?
It's a direct-fit replacement for the 1999-2005 Hyundai Sonata, 2002 Hyundai XG350, and 2001-2002 Kia Optima ([All] engines). Check the Buyer's Guide tab to confirm your vehicle.
What is the bore size and outlet thread?
The bore measures 1 inch, and it has two outlets sized M10 x 1.0.
Is this a remanufactured unit?
No. It's 100% new, made entirely of new materials, and made to meet rigorous SAE International standards.
What are signs my master cylinder may need replacing?
A pedal that slowly sinks under steady pressure, a soft or spongy pedal, or unexplained fluid loss. Diagnose the cause before replacing, as other parts can share these symptoms.
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Dorman
Dorman - First Stop Brake Master Cylinder P/N:M630192
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