Dorman - First Stop Brake Master Cylinder P/N:M630623
Replacing a worn 2000-2005 Dodge Neon or 2000-2001 Plymouth Neon master cylinder? The Dorman First Stop Brake Master Cylinder M630155 converts brake pedal force into hydraulic pressure for the brake circuits. It installs as a direct-fit replacement for the 2000-2005 Dodge Neon and the 2000-2001 Plymouth Neon, and is listed for all engines. Dorman precision-engineered this aluminum master cylinder to match the original unit's design, function, and performance. It uses new, high-quality materials for a safe, durable replacement.
Specifications: 0.875 in bore diameter, 4 outlets, and a secondary outlet thread diameter of 7/16-24 & M18 x 1.0. The reservoir and a sensor are included. Mounting hardware is not included, so consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: Taiwan.
Signs that a 2001 Dodge Neon master cylinder may need replacing include a soft or sinking brake pedal, brake fluid seeping from the cylinder body or reservoir, or a low-fluid warning. Other brake-system problems can cause the same symptoms, so diagnose the cause before replacing parts. Bleed the brake system after installation.
Interchange: 100-2421 · M-83050 · 13-2932 · 10-2932 · 130.63059 · 131.63059 · 355-40030
13501 · 5015149AA · 5015159AA · MC511660 · M3077 · NM3077 · MC390579 · F140458 · MC140458 · 1002421 · M83050 · 132932 · 102932 · 13063059 · 13163059 · 35540030
This part cross-references / interchanges with the following part numbers:
Is this the right 2004 Dodge Neon master cylinder?
Yes. M630155 is listed for the 2000-2005 Dodge Neon, which includes the 2004 model year, with all engines listed. It also fits the 2000-2001 Plymouth Neon.
Does it come with a reservoir?
Yes, the reservoir and a sensor are both included. Mounting hardware is not included, so check the vehicle service information for the correct fasteners.
What are the bore size and outlet specs?
It has a 0.875-inch bore and 4 outlets. The secondary outlet thread diameter is 7/16-24 and M18 x 1.0.
What brake fluid are the rubber components made to resist?
All rubber components are made of a high-quality EPDM compound that resists glycol-based brake fluid. Use the brake fluid type your vehicle's manufacturer specifies.
Do I need to bleed the brakes after installing it?
Yes. Bleed the brake hydraulic system after installing a master cylinder, and follow the vehicle's service procedure, including any bench-bleeding step.
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.