Dorman - First Stop Brake Master Cylinder P/N:M630201
Generate and deliver hydraulic pressure to your brakes with the Dorman First Stop Brake Master Cylinder M630163, a new aluminum unit designed to match the design, function and performance of the original master cylinder. It fits many vehicles, among them the 2003-2006 Dodge Ram 1500, 2011 Ram 2500 and 2003-2010 Dodge Ram 2500. See the Buyer's Guide tab for the full list.
Specifications: The master cylinder is made of aluminum. It has a 1.313 in bore diameter and two outlets, with an M10 x 1.0 rearward outlet size, an M12 x 1.0 secondary outlet thread diameter and a 1 mm primary outlet thread pitch. The reservoir and a 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: China.
Interchange: 100-3023 · 13-2928 · 10-2928 · 10-3092 · 130.67028 · 131.67028 · 355-40065
1003023 · 132928 · 102928 · 103092 · 13067028 · 13167028 · 35540065 · 13694 · 5080888AA · 5080888AB · MC511700 · 5080888 · M3080 · NM3080 · MC390742 · F140677 · MC140677
This part cross-references / interchanges with the following part numbers:
Is this the right 2003-2006 Dodge Ram 1500 master cylinder for my truck?
It is listed as a direct-fit replacement for the 2003-2006 Dodge Ram 1500 with all engines. Check the Buyer's Guide tab to confirm your exact truck.
Will this master cylinder fit my 2011 Ram 2500 or 2003-2010 Dodge Ram 2500?
It is listed for the 2003-2010 Dodge Ram 2500 and the 2011 Ram 2500 with all engines. The Buyer's Guide tab shows every listed application.
What comes in the box?
You get the master cylinder, with the reservoir and a sensor included. Mounting hardware is not included, so consult the vehicle service information for the correct fasteners.
What are the key specifications?
It is made of aluminum and has a 1.313 in bore diameter and two outlets. The rearward outlet size is M10 x 1.0, the secondary outlet thread diameter is M12 x 1.0 and the primary outlet thread pitch is 1 mm.
What are signs a brake master cylinder may need replacing?
Signs include a soft or sinking brake pedal, fluid leaking at the master cylinder, or a steadily dropping reservoir level. Diagnose the brake system first, because other parts can cause these symptoms.
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.