Dorman - First Stop Brake Master Cylinder P/N:M630623
Turn brake pedal force into hydraulic pressure for the brake lines with the Dorman First Stop Brake Master Cylinder M630435, a new Suzuki Vitara master cylinder that installs as a direct-fit replacement for the 1999-2001 Suzuki Vitara and 1999-2001 Chevrolet Tracker, all engines. Precision-engineered to replicate the original master cylinder's design, function and performance on the listed applications, it is built from new, high-quality materials for a safe, durable replacement. The reservoir and sensor are both included.
Specifications: 0.938 in bore diameter; four outlets; M10 x 1.0 secondary and rearward outlet threads; 1 mm primary outlet thread pitch; reservoir included; sensor included; mounting hardware not included. Country of origin: Taiwan.
Signs a master cylinder may need replacing include a brake pedal that feels soft or slowly sinks, fluid seeping at the master cylinder, or a reservoir level that keeps dropping. Other brake components can cause similar symptoms, so diagnose the cause before replacing.
Interchange: 100-3848 · 10-3076 · 130.48020 · 355-47011
1003848 · 103076 · 13048020 · 35547011 · 91174780 · M55114 · NM55114 · MC391104 · 5110068D00 · F144043 · MC144043
This part cross-references / interchanges with the following part numbers:
Which vehicles does the Dorman M630435 master cylinder fit?
It is a direct-fit replacement for the 1999-2001 Chevrolet Tracker and the 1999-2001 Suzuki Vitara, all engines.
What comes in the box?
You get the master cylinder with its reservoir and sensor included. Mounting hardware is not included, so consult the vehicle service information for the correct fasteners and whether they may be reused.
What are the key specifications?
It has an aluminum housing, a 0.938 in bore diameter and four outlets, with M10 x 1.0 secondary and rearward outlet threads and a 1 mm primary outlet thread pitch.
What are signs a brake master cylinder may need replacing?
Common signs include a soft or slowly sinking brake pedal, fluid seeping at the master cylinder, or a reservoir level that keeps dropping. Diagnose the cause first, as other brake parts can cause similar symptoms.
How is this master cylinder installed?
Follow the vehicle service procedure, which typically includes bench bleeding the new unit and then bleeding the brake system. Use the brake fluid type specified for your vehicle.
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.