Dorman - First Stop Brake Master Cylinder P/N:M118403
Dorman M630949 brake master cylinder for the 2013-2016 Ford F-250 Super Duty and other vehicles turns pedal force into hydraulic pressure for the brakes. Its design, function and performance are made to match the original master cylinder on these vehicles.
A soft or sinking brake pedal, a fluid leak near the cylinder or a falling fluid level can mean the master cylinder is wearing out. Brake lines, a leaking caliper or a worn hose can be behind the same signs, so track down the source before you order. The 2013-2016 Ford F-250 Super Duty takes one.
This master cylinder fits the 2013-2016 Ford F-250 Super Duty, the 2014-2016 Ford F-350 and the 2013-2016 Ford F-350 Super Duty.
Fit and size
Build and materials
One master cylinder with its reservoir and sensor. Mounting hardware is not included, so plan on new fasteners.
Interchange: 100-4107 · 10-4642 · 130.65143 · 355-54259
DC3Z2140D · NM4326 · MC391496
This part cross-references / interchanges with the following part numbers:
Is the Dorman M630949 a Ford F-350 Super Duty brake master cylinder for the 2013-2016 model years?
Yes. Dorman M630949 fits the 2013-2016 Ford F-350 Super Duty, and the 2014-2016 Ford F-350 is covered too.
Does this Dorman master cylinder include the reservoir?
Yes. Dorman M630949 comes with its reservoir and sensor. Mounting hardware is not included.
What is the Dorman brake master cylinder made of?
The housing is cast iron. All rubber components are EPDM compound, which resists glycol-based brake fluid.
How can I tell if a brake master cylinder is leaking?
Look for brake fluid residue on and around the cylinder with the engine off. A pedal that sinks toward the floor can also be a sign, so have the brakes inspected promptly.
What outlet thread sizes does this master cylinder have?
The rearward outlet is M14 x 1.5 and the secondary outlet thread is M12 x 1.5. The primary outlet thread pitch is 1.5 mm, and the bore diameter is 1.313 in.
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.