Dorman M630951 brake master cylinder for the 2013-2016 Lincoln MKZ turns pedal force into hydraulic pressure for the brakes. Pressing the pedal pushes brake fluid out through its two outlets to the brake lines.
- Part of the Dorman First Stop line
- Cast iron housing with a 1 in bore diameter
- EPDM rubber components resist glycol-based brake fluid
- Made entirely of new materials
- Made to meet rigorous SAE International standards
Quick facts
- Part: Dorman M630951 brake master cylinder
- Fits: 2013-2016 Lincoln MKZ
- Material: Cast iron
- Condition: New
A soft or sinking brake pedal, brake fluid leaking near the cylinder, or a brake warning light can mean the master cylinder is wearing out. Before you replace it, rule out leaking brake lines, calipers or hoses and air in the fluid, since those can feel similar at the pedal.
Fits
This brake master cylinder is a direct-fit replacement for the 2013-2016 Lincoln MKZ, which takes one. This listing is a single unit.
Specifications
Fit and size
- Quantity per vehicle: 1
- Bore diameter: 1 in
- Number of outlets: 2
- Rearward outlet size: M12x1.5 and 3/8-24
- Secondary outlet thread diameter: M12x1.5
Build and materials
- Material: Cast iron
- Reservoir: single, included
- Sensor: included
- Rubber components: EPDM compound
- Condition: New
- Country of origin: Taiwan
In the box
One brake master cylinder with its reservoir and sensor. Mounting hardware is not included, so plan on new fasteners rather than reusing the old ones.
Interchange: 100-3987 · 130.61153 · 355-54115
131 · DG9Z2140C · MC391489
This part cross-references / interchanges with the following part numbers:
100-3987, 130.61153, 131, 355-54115, DG9Z2140C, MC391489
Frequently Asked Questions
Is the Dorman brake master cylinder M630951 the right one for the 2013-2016 Lincoln MKZ?
Yes. Dorman M630951 fits the 2013-2016 Lincoln MKZ, which takes one master cylinder.
Does this Dorman master cylinder come with the reservoir and mounting hardware?
Yes to the reservoir, no to mounting hardware. Dorman M630951 also includes a sensor; plan on new fasteners instead of reusing the old ones.
What thread sizes do the outlets on this brake master cylinder have?
It has two outlets. The rearward outlet is M12x1.5 and 3/8-24, and the secondary outlet thread is M12x1.5. The bore diameter is 1 in.
Is this brake master cylinder cast iron, and what are the rubber parts made of?
Yes, the housing is cast iron. The rubber components are EPDM compound, which resists glycol-based brake fluid.
Does Dorman M630951 meet any industry standards?
Yes. Dorman M630951 is made to meet rigorous SAE International standards.
