HomeBrake > Brake HydraulicsRaybestos MC391254 Brake Master Cylinder
Part #: MC391254

Raybestos MC391254 Brake Master Cylinder

Element3; New, N/A
4 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$143.31Free 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
Element3; New, N/A
Fitment: Ford, Transit Connect
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Raybestos MC391254 Brake Master Cylinder

The Raybestos Element3; New brake master cylinder MC391254 is designed specifically for Ford Transit Connect models. Engineered with precision, this aluminum master cylinder ensures reliable brake hydraulics performance for your vehicle.

  • Constructed from durable aluminum for corrosion resistance
  • Two mounting holes with 0.354 inch diameter for secure installation
  • Bore size of 0.938 inches for optimal hydraulic pressure
  • Two ports with M12x1 thread size for primary and secondary connections
  • Compatible with Ford Transit Connect brake hydraulic systems

Detailed Product Description

The Raybestos MC391254 brake master cylinder is a critical component in the brake hydraulics system of the Ford Transit Connect. Made from aluminum, this master cylinder offers a balance of strength and lightweight design, helping to maintain consistent brake fluid pressure. It features two mounting holes, each with a diameter of 0.354 inches, ensuring a secure and precise fit. The bore size of 0.938 inches is engineered to provide the correct hydraulic force needed for effective braking. Both the primary and secondary ports use M12x1 threading, allowing for straightforward connection to the brake lines.

This part is part of the Raybestos Element3; New product line, which focuses on delivering reliable brake components with updated materials and manufacturing processes. The Element3; New line is designed to meet or exceed OEM specifications, providing a dependable replacement option for brake hydraulics parts like this master cylinder.

Common Applications and Issues Addressed

  • Replacement for worn or leaking brake master cylinders on Ford Transit Connect
  • Restores proper brake fluid pressure and pedal feel
  • Resolves issues with brake fluid leaks at the master cylinder ports
  • Addresses mounting instability due to damaged or corroded mounting holes
  • Improves braking system reliability and safety

Installation Notes and Tips

  • Ensure compatibility with Ford Transit Connect models before installation
  • Check mounting hole alignment and diameter (0.354 inches) for proper fit
  • Use appropriate brake fluid and bleed the system after installation
  • Verify port thread size (M12x1) matches brake line fittings
  • Inspect all brake components for wear during installation

Quality Assurance and Warranty

Raybestos manufactures the MC391254 brake master cylinder to meet strict quality standards, ensuring durability and performance. The Element3; New line is produced with updated materials and processes to maintain consistent reliability. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandRaybestos
Part NumberMC391254
PositionElement3; New, N/A
Bore Size0.938
Master Cylinder MaterialAluminum
Mounting Hole Diameter0.354
Mounting Hole Quantity2
Number of Ports2
Primary Port Thread AM12x1
Secondary Port Thread AM12x1

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
2013FordTransit ConnectN/AElement3; New
2012FordTransit ConnectN/AElement3; New
2011FordTransit ConnectN/AElement3; New
2010FordTransit ConnectN/AElement3; New

* 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:

10-434810-448313-4483130.651347T1Z2004A7T1Z2004BBRMC100EX0449(AH)EX0449AHM630521MCA630521

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