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Dorman - First Stop Brake Master Cylinder P/N:M630732
$293.99
Convert brake-pedal force into the hydraulic pressure that operates the braking system with the Dorman - First Stop Brake Master Cylinder M630732. It installs as a direct-fit replacement for the 2005-2006 Infiniti G35, 2006-2010 Infiniti M35, and 2006-2010 Infiniti M45 (All engines), and is precision-engineered to match the design, function, and performance of the original master cylinder on these listed applications.
- Aluminum construction: the cylinder housing is built to match the casting material of the original part for similar performance.
- Fluid-resistant seals: all rubber components use a high-quality EPDM compound for resistance to glycol-based brake fluid.
- 100% new: made entirely of new materials — not remanufactured — and built to meet rigorous SAE International standards.
- Ready to install: features two outlets and a 1-inch bore, and includes the reservoir and sensor. Mounting hardware is not included, so consult the vehicle service information for the correct fasteners and whether they may be reused.
Both outlet threads measure M12 x 1.0. Country of origin: Taiwan. Manufacturer part number M630732.
This part cross-references / interchanges with the following part numbers:
100-2865, 13-3225, 11-3225, 130.42715, 355-68016, NM55458, 46010AC725, MC391259, F142631, MC142631
Frequently Asked Questions
What does the M630732 master cylinder do?
It converts the force you apply at the brake pedal into hydraulic pressure that is sent through the brake circuits to operate the vehicle's brakes.
Which vehicles does this master cylinder fit?
It is a direct-fit replacement for the 2005-2006 Infiniti G35, 2006-2010 Infiniti M35, and 2006-2010 Infiniti M45 (All engines). See the Buyer's Guide tab to confirm your vehicle.
Does it include a reservoir and sensor?
Yes. Per the catalog, both the reservoir and the sensor are included. The package contents are the master cylinder assembly.
Is mounting hardware included?
No. Mounting hardware is not included. Refer to the vehicle service information for the correct fasteners and whether the originals may be reused.
What are the bore and outlet specifications?
It has a 1-inch bore and two outlets. Both outlet threads measure M12 x 1.0 with a 1 mm thread pitch. The housing is aluminum.
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Dorman - First Stop Brake Master Cylinder P/N:M630732
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