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Dorman - First Stop Brake Master Cylinder P/N:M630618
$137.99
Turn brake-pedal force into the hydraulic pressure that operates your brakes with the Dorman - First Stop Brake Master Cylinder M630618. It installs as a direct-fit replacement for the 2009-2012 Ford Escape [All] and 2009-2011 Mercury Mariner [All], precision-engineered to match the design, function, and performance of the original master cylinder on these applications.
- Aluminum housing: the cylinder housing is constructed to match the casting material of the original part for similar performance.
- EPDM rubber components: made of a high-quality EPDM compound for resistance to glycol-based brake fluid.
- 100% new: built entirely from new materials, not remanufactured, and made to meet rigorous SAE International standards.
- Ready to install: includes the reservoir and sensor, with two outlets and a 1.063 in bore (rearward outlet thread M14 x 1.5).
Mounting hardware is not included — consult the vehicle service information for the correct fasteners and whether they may be reused. Signs the original may need replacing include a sinking or spongy brake pedal, internal fluid bypass, or external fluid leakage; diagnose the cause before replacing. Country of origin: Taiwan.
Interchange: Manufacturer part number M630618.
This part cross-references / interchanges with the following part numbers:
100-2897, 13-4095, 10-4095, 130.65126, 355-54242, 9M6Z2140A, NM4174, MC391199, F143630, MC143630
Frequently Asked Questions
What does this brake master cylinder do?
It converts the force from your brake pedal into hydraulic pressure that actuates the brake system. If a failed master cylinder is the cause of a sinking or spongy pedal, this replaces it.
Does it fit my vehicle?
It's a direct-fit replacement for the 2009-2012 Ford Escape [All] and 2009-2011 Mercury Mariner [All]. Check the Buyer's Guide tab to confirm your exact vehicle.
Does it include a reservoir and sensor?
Yes. Per the catalog, both the reservoir and the sensor are included. Mounting hardware is not included.
What material and bore size is it?
The housing is aluminum, constructed to match the casting material of the original part. It has a 1.063 in bore, two outlets, and an M14 x 1.5 rearward outlet thread.
Is it new or remanufactured?
It's 100% new — built entirely from new materials, not remanufactured — and made to meet rigorous SAE International standards.
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Dorman - First Stop Brake Master Cylinder P/N:M630618
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