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Dorman - First Stop Brake Master Cylinder P/N:M630888
$129.99
Convert brake-pedal force into the hydraulic pressure that operates the brakes with the Dorman – First Stop Brake Master Cylinder M630888. It's engineered to match the design, function, and performance of the original master cylinder on the listed applications, including the 2012-2019 Ford Explorer and Flex, 2013-2019 Ford Taurus, and Lincoln MKS and MKT.
- Aluminum housing: the cylinder housing is built to match the casting material of the original part for similar performance.
- EPDM seals: all rubber components use a high-quality EPDM compound for resistance to glycol-based brake fluid.
- 100% new: made entirely of new materials — not remanufactured — and made to meet rigorous SAE International standards.
- Bore & outlets: 1.125 in bore diameter with two outlets and two mounting holes; rearward outlet M14 x 1.5 and a secondary M12 x 1.0 (1 mm thread pitch) outlet.
It uses a single reservoir and ships with the master cylinder, the reservoir, the master cylinder cap, and a bleeder kit. Mounting hardware, mounting bracket, bleeder hoses, and push rod are not included — consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: Taiwan.
Interchange: 100-2950 · 1002950 · 130.65140 · 355-54256 · 35554256 · DG1Z2140A · DG1Z2140B · NM4283 · MC391495 · Manufacturer part number M630888
Fitment: 2012-2019 Ford Explorer [All] · 2012-2019 Ford Flex [All] · 2012-2016 Lincoln MKS [All] · 2012-2019 Lincoln MKT [All] · 2013-2019 Ford Police Interceptor Utility [All] · 2013-2019 Ford Taurus [All] · 2014-2019 Ford Police Interceptor Sedan [All] · 2014-2018 Ford Special Service Police Sedan [All] · 2019 Ford Police Responder Hybrid [All] · 2019 Ford SSV Plug-In Hybrid [All]. See the Buyer's Guide tab for the full list.
This part cross-references / interchanges with the following part numbers:
100-2950, 130.65140, 355-54256, DG1Z2140A, DG1Z2140B, NM4283, MC391495
Frequently Asked Questions
What does this master cylinder do?
It converts brake-pedal force into the hydraulic pressure that operates the vehicle's brake system, feeding the circuits through its two outlets.
What's included in the package?
The package contains the master cylinder, its reservoir, the master cylinder cap, and a bleeder kit. Mounting hardware, mounting bracket, bleeder hoses, and push rod are not included.
Will this fit my vehicle?
It's designed to match the original on Ford applications like the 2012-2019 Explorer and Flex, 2013-2019 Taurus, and Lincoln MKS/MKT. Check the Buyer's Guide tab for the complete list of covered vehicles.
What is it made of?
The housing is aluminum, built to match the casting material of the original part, and all rubber components use a high-quality EPDM compound that resists glycol-based brake fluid.
What are the bore and outlet sizes?
The bore diameter is 1.125 in, with two outlets — a rearward M14 x 1.5 outlet and a secondary M12 x 1.0 (1 mm pitch) outlet — plus two mounting holes.
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Dorman
Dorman - First Stop Brake Master Cylinder P/N:M630888
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