Dorman M630885 brake master cylinder for the 2011-2012 Ford F-250 Super Duty and other vehicles turns pedal force into hydraulic pressure for the brakes. It is engineered to follow the original cylinder's design, function and performance.
- Cast iron cylinder housing
- Rubber components made of EPDM compound that resists glycol-based brake fluid
- Made entirely of new materials
- Built to meet SAE International standards
- Single reservoir with two outlets
Quick facts
- Part: Dorman M630885 brake master cylinder
- Fits: the 2011-2012 Ford F-250 Super Duty and other vehicles
- Material: Cast iron
- Condition: New
A low or sinking brake pedal, a soft pedal feel, or brake fluid that keeps dropping in the reservoir can mean the master cylinder is worn, though a leaking brake hose or a caliper problem can be behind the same signs.
Fits
The trucks this master cylinder covers include the 2011-2012 Ford F-250 Super Duty, the 2011-2012 Ford F-350 Super Duty and the 2011-2012 Ford F-450 Super Duty, and each takes one. If your truck is not named here, open the "Vehicles it fits" section to check your exact model and engine.
Specifications
Fit and size
- Quantity per vehicle: 1
- Bore diameter: 1.313 in
- Number of outlets: 2
- Rearward outlet size: M14 x 1.5
- Secondary outlet thread: M12 x 1.5
Build and materials
- Condition: New
- Material: Cast iron
- Reservoir type: Single, included
- Sensor: Included
- Mounting hardware: Not included
- Country of origin: Taiwan
In the box
One master cylinder with its reservoir and sensor. Mounting hardware is not included, so plan on new hardware, since the old pieces may not be reusable.
Interchange: 13-4634 · 10-4634 · 130.65137 · 355-54253
BC3Z2140A · NM4278 · MC391161
This part cross-references / interchanges with the following part numbers:
13-4634, 10-4634, 130.65137, 355-54253, BC3Z2140A, NM4278, MC391161
Frequently Asked Questions
Is this the right brake master cylinder for a 2011-2012 Ford F-350 Super Duty?
Yes. Dorman M630885 fits the 2011-2012 Ford F-350 Super Duty, and that truck takes one.
Does the Dorman M630885 master cylinder come with the reservoir and mounting bolts?
Yes for the reservoir and sensor, which are included. No for mounting hardware, so plan on new hardware.
Is this Dorman master cylinder compatible with glycol-based brake fluid?
Yes. All rubber components are made of EPDM compound, which resists glycol-based brake fluid.
What are the outlet thread sizes and bore on Dorman M630885?
The rearward outlet is M14 x 1.5 and the secondary outlet thread is M12 x 1.5. Dorman M630885 has a 1.313 in bore.
Is 130.65137 a cross-reference number for this master cylinder?
Yes. 130.65137 is on the Interchange line for this master cylinder, along with several other numbers.
