Dorman - First Stop Brake Master Cylinder P/N:M630257

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$87.99
MPN: M630257
Item Package Quantity: 1
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Dorman - First Stop Brake Master Cylinder P/N:M630257
Dorman - First Stop Brake Master Cylinder P/N:M630257
$87.99

Build the hydraulic pressure that operates the brakes at the pedal with the Dorman First Stop Brake Master Cylinder M630257. It installs as a direct-fit replacement for the 1999-2003 Ford Windstar (All engines), one per vehicle, and is engineered to match the design, function, and performance of the original master cylinder for these applications.

  • Aluminum housing: built to match the casting material of the original part for similar performance.
  • EPDM rubber components: high-quality EPDM compound for resistance to glycol-based brake fluid.
  • 100% new: made entirely of new materials, not remanufactured.
  • Made to meet rigorous SAE International standards.

The unit has 3 outlets and a 1.063-inch bore, with a rearward outlet size of M10 x 1.0 and a secondary outlet thread diameter of M10 x 1.0 & 3/8-24. A reservoir and a fluid-level sensor are included; mounting hardware is not included, so consult the vehicle service information for the correct fasteners and whether they may be reused. A sinking or spongy brake pedal can be a sign the master cylinder may need replacing — diagnose the cause first. Country of origin: China.

Interchange: M901132 · 100-2526 · 1002526 · M-85067 · M85067 · 13545 · 13-2977 · 132977 · 10-2977 · 102977 · 130.65072 · 131.65072 · 355-54189 · 35554189 · XF2Z2140BA · XF2Z2140BB · M4045 · NM4045 · BRMC-55 · BRMC55 · MC390570 · F140088 · MC140088. Manufacturer part number M630257.

This part cross-references / interchanges with the following part numbers:

M901132, 100-2526, M-85067, 13545, 13-2977, 10-2977, 130.65072, 131.65072, 355-54189, XF2Z2140BA, XF2Z2140BB, M4045, NM4045, BRMC-55, MC390570, F140088, MC140088

Frequently Asked Questions

What vehicle does this master cylinder fit?

It is a direct-fit replacement for the 1999-2003 Ford Windstar (All engines), one per vehicle.

Does it include a reservoir and a sensor?

Yes. A reservoir and a fluid-level sensor are included. Mounting hardware is not included, so consult the vehicle service information for the correct fasteners.

What is this master cylinder made of?

The housing is aluminum, built to match the original's casting material, and the rubber components use a high-quality EPDM compound that resists glycol-based brake fluid. It is 100% new, not remanufactured.

How many outlets and what bore size does it have?

It has 3 outlets with a 1.063-inch bore. The rearward outlet is M10 x 1.0 and the secondary outlet thread diameter is M10 x 1.0 & 3/8-24.

What are signs the master cylinder may need replacing?

A sinking or spongy brake pedal can be a sign the master cylinder may need replacing. Have the brake system diagnosed first, since these symptoms can have other causes.