Dorman - First Stop Brake Master Cylinder P/N:M73323
Turn pedal effort into hydraulic brake pressure with the Dorman First Stop Brake Master Cylinder M630299, a direct-fit replacement for the 2003-2008 Toyota Corolla and 2003-2008 Toyota Matrix with all engines. Dorman precision-engineered this new unit to replicate the design, function and performance of the original master cylinder on the listed applications. It is built from new, high-quality materials to give you a safe, durable replacement.
Specifications: 0.813 in bore diameter; two outlets, with M10 x 1.0 secondary and rearward outlet threads and a 1 mm primary outlet thread pitch. The reservoir and sensor are included. Mounting hardware is not included, so consult the vehicle service information for the correct fasteners and whether the originals may be reused. Country of origin: Taiwan.
Signs that this part may need replacing include a soft or sinking brake pedal, fluid leaking at the cylinder, or a brake fluid level that keeps dropping. These signs can have other causes, so diagnose the brake system before you replace the master cylinder.
Interchange: 072-9572 · 13-3070 · 11-3070 · 130.44121 · 131.44121 · 355-76050
0729572 · 133070 · 113070 · 13044121 · 13144121 · 35576050 · M55298 · 4720102320 · F141555 · MC141555
This part cross-references / interchanges with the following part numbers:
Is this a direct-fit master cylinder for the 2003-2008 Toyota Corolla?
Yes. Dorman M630299 is a direct-fit replacement for the 2003-2008 Toyota Corolla with all engines. Check the Buyer's Guide tab to confirm your vehicle.
Does this brake master cylinder also fit the 2003-2008 Toyota Matrix?
Yes. It is listed for the 2003-2008 Toyota Matrix with all engines, and each listed vehicle uses one master cylinder.
What comes in the box?
The package contains the master cylinder, with the reservoir and sensor included. Mounting hardware is not included, so consult the vehicle service information for the correct fasteners.
What are the key specifications?
It has an aluminum housing, a 0.813 in bore and two outlets. The secondary and rearward outlets are M10 x 1.0. Its rubber components use EPDM compound to resist glycol-based brake fluid.
What are signs a master cylinder may need replacing?
A soft or sinking brake pedal, fluid leaking at the cylinder, or a brake fluid level that keeps dropping may be signs. These can have other causes, so diagnose the brake system before replacing it.
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.