Dorman - First Stop Brake Master Cylinder P/N:M630050
Dorman M390317 brake master cylinder for the 1995-1999 Nissan Sentra and other vehicles turns pedal force into hydraulic pressure for the brakes.
A worn master cylinder can show up as a soft or sinking brake pedal, brake fluid leaking at the cylinder, or a falling fluid level in the reservoir. Before you replace the master cylinder, rule out a leak at a brake line, caliper or wheel cylinder and air in the system, since those can also cause a soft pedal.
This is a master cylinder for the 1995-1999 Nissan Sentra and the 1995-1998 Nissan 200SX, and each takes one. It is engineered to follow the design, function and performance of the original master cylinder on these vehicles.
Fit and size
Build and materials
One master cylinder with its reservoir. Mounting hardware and a sensor are not included, so plan on new hardware, as the old pieces may not be reusable.
Interchange: 100-1396 · 072-9208 · 13-2581 · 13-2603 · 11-2581 · 130.42213 · 131.42213 · 355-67019
M901080 · 13189 · MC251360 · M52581 · M52603 · NM52603 · 460101M220 · 460104B000 · MC390317 · F131579 · MC131579
This part cross-references / interchanges with the following part numbers:
Is this a brake master cylinder for the 1995-1998 Nissan 200SX?
Yes. Dorman M390317 fits the 1995-1998 Nissan 200SX, and the car takes one.
Does this Dorman brake master cylinder come with the reservoir?
Yes. The Dorman M390317 master cylinder includes its reservoir. Mounting hardware and a sensor are not included.
Is this Dorman master cylinder made of aluminum?
Yes. This master cylinder is made of aluminum, with a 0.813 in bore diameter and four outlets.
Can a soft brake pedal mean the master cylinder is worn?
Yes, it can, as can fluid leaking at the cylinder or a falling reservoir level. Brakes affect stopping, so have them inspected promptly rather than driving on them.
Does this master cylinder replace 13-2581?
Yes. 13-2581 is one of the numbers that Dorman M390317 replaces.
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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.