HomeBrake > Brake HydraulicsDorman M630257 Brake Master Cylinder
Part #: M630257

Dorman M630257 Brake Master Cylinder

N/A
5 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$82.63Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, Windstar
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Brake Master Cylinder for Ford Windstar

The Dorman M630257 Brake Master Cylinder is designed specifically for Ford Windstar models, providing precise hydraulic control for your vehicle's braking system. This master cylinder features an aluminum construction and includes a reservoir and sensor to ensure optimal performance and safety.

Key Features of the Dorman M630257 Brake Master Cylinder

  • Master cylinder bore diameter: 1.063 inches for accurate hydraulic pressure
  • Durable aluminum material for corrosion resistance and longevity
  • Includes reservoir and sensor for complete brake system integration
  • Three outlets with rearward outlet size M10 x 1.0 and secondary outlet thread diameters M10 x 1.0 & 3/8-24
  • Package contains the master cylinder only; mounting hardware not included

Detailed Product Description

The Dorman M630257 Brake Master Cylinder is engineered to meet the specifications of Ford Windstar vehicles, ensuring compatibility and reliable brake hydraulics performance. The aluminum construction offers a balance of strength and weight savings, while the included reservoir and sensor facilitate proper fluid management and brake system monitoring. With a bore diameter of 1.063 inches, this master cylinder delivers consistent hydraulic pressure to the braking system. The three outlet ports, including a rearward outlet sized M10 x 1.0 and secondary outlets with thread diameters M10 x 1.0 and 3/8-24, allow for secure and precise brake line connections.

Common Applications and Issues Addressed

  • Replacement for worn or leaking brake master cylinders on Ford Windstar models
  • Restores proper brake fluid pressure and pedal feel
  • Resolves brake warning light issues related to sensor failure
  • Addresses brake fluid reservoir leaks or damage
  • Improves overall brake system reliability and safety

Installation Notes and Tips

  • Ensure compatibility with your specific Ford Windstar year and model before installation
  • Bleed the brake system thoroughly after installation to remove air pockets
  • Mounting hardware is not included; reuse existing hardware or acquire appropriate fasteners
  • Inspect brake lines and fittings for wear or damage during installation
  • Follow manufacturer torque specifications for outlet fittings to prevent leaks

Quality Assurance and Warranty Information

Dorman manufactures the M630257 Brake Master Cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and integrated sensor contribute to long-term durability and reliable brake system performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation or contact the distributor for exact warranty terms.

BrandDorman
Part NumberM630257
Master Cylinder Bore Diameter1.063
Master Cylinder MaterialAluminum
Mounting Hardware IncludedNo
Number of Outlets3
Package ContentsMaster Cylinder
Rearward Outlet SizeM10 X 1.0
Reservoir IncludedYes
Secondary Outlet Thread DiameterM10 x 1.0 & 3/8-24
Sensor IncludedYes

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
2003FordWindstarN/ABore 1.0625 In. without Interactive Vehicle Dynamics (IVD) excluding Traction Control
2002FordWindstarN/ABrake Master Cylinder with 1.0625" bore size, no traction control included.
2001FordWindstarN/ABrake Master Cylinder with 1.0625" bore size, no traction control included.
2000FordWindstarN/ABrake Master Cylinder with 1.0625" bore size, no traction control included.
1999FordWindstarN/ABrake Master Cylinder with 1.0625" bore size, no traction control included.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

10-297713-2977130.6507213545BRMC-55F140088M-85067M4045M901132MC390570XF2Z2140BA

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.