Convert brake-pedal pressure into the hydraulic force that operates your truck's brakes with the Dorman - First Stop Brake Master Cylinder M630588. It drops in as a direct-fit replacement for the 2008-2019 Toyota Sequoia and both the 2007-2015 and 2017-2019 Toyota Tundra (all engines), and it's engineered to replicate the original unit's design, function, and braking performance.
This cylinder has two outlets with M12 x 1.0 threads and a 0.938 in bore diameter, and it ships with the reservoir and sensor included. Mounting hardware is not included — consult the vehicle service information for the correct fasteners and whether they may be reused. If a failed master cylinder is the cause of a sinking pedal, spongy feel, or internal fluid bypass, this unit replaces it; diagnose the cause before installing. Country of origin: China.
Interchange: 100-1672 · 1001672 · 13-3324 · 133324 · 11-3324 · 113324 · 130.44744 · 355-76145 · 35576145 · NM4239 · MC391085 · 472010C070 · F143063 · MC143063
Manufacturer part number M630588
This part cross-references / interchanges with the following part numbers:
What does this brake master cylinder do?
It converts the force from your brake pedal into hydraulic pressure that actuates the brakes at each wheel. It's the hydraulic heart of the brake system.
Which vehicles does the M630588 fit?
It's a direct-fit replacement for the 2008-2019 Toyota Sequoia and the 2007-2015 and 2017-2019 Toyota Tundra (all engines). Check the Buyer's Guide tab to confirm your vehicle.
Does it come with a reservoir and sensor?
Yes. Per the catalog, the reservoir and sensor are included with this master cylinder. Mounting hardware, however, is not included.
Is mounting hardware included?
No. Consult the vehicle service information for the correct fasteners and whether they may be reused.
What is it made of and where?
The housing is aluminum, built to match the original's casting material, with EPDM rubber components that resist glycol-based brake fluid. Country of origin: China.
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.