HomeRaybestos MC391137 Brake Master Cylinder
Part #: MC391137

Raybestos MC391137 Brake Master Cylinder

Element3; New, N/A
3 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Element3; New, N/A
Fitment: Ford, Focus
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Overview of Raybestos MC391137 Brake Master Cylinder

The Raybestos Element3; New Brake Master Cylinder MC391137 is designed specifically for Ford Focus models. Engineered with precision, this aluminum master cylinder ensures reliable brake hydraulics performance for your vehicle.

  • Constructed from durable aluminum for lightweight strength
  • Two mounting holes with a diameter of 0.343 inches for secure installation
  • Bore size of 0.938 inches optimized for consistent brake fluid pressure
  • Primary and secondary port threads sized M12x1 for compatibility with standard brake lines
  • Compatible with Ford Focus brake hydraulic systems

Detailed Product Description

The Raybestos MC391137 brake master cylinder is a critical component in the brake hydraulics system of Ford Focus vehicles. Made from aluminum, it offers corrosion resistance and durability while maintaining a lightweight profile. The master cylinder features two mounting holes, each with a diameter of 0.343 inches, ensuring a secure and precise fit during installation. Its bore size of 0.938 inches is designed to provide consistent hydraulic pressure, which is essential for effective braking performance. Both the primary and secondary ports use M12x1 thread sizes, allowing for straightforward connection to compatible 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 aims to provide improved durability and performance for brake hydraulics, making it a suitable choice for maintaining or restoring the braking system of your Ford Focus.

Common Applications and Problem Solving

  • Replacement for worn or leaking brake master cylinders in Ford Focus models
  • Restores proper hydraulic pressure to improve brake pedal feel and responsiveness
  • Addresses issues related to brake fluid leaks or internal seal failures
  • Helps eliminate spongy or inconsistent brake pedal performance
  • Supports brake system maintenance and safety compliance

Installation Notes and Tips

  • Ensure compatibility with your specific Ford Focus model year before installation
  • Use proper tools to avoid damaging the aluminum mounting holes or port threads
  • Bleed the brake system thoroughly after installation to remove air and ensure optimal performance
  • Inspect brake lines and fittings for wear or damage during installation
  • Follow manufacturer torque specifications for mounting bolts and fittings

Quality Assurance and Warranty

Raybestos manufactures the MC391137 brake master cylinder to meet strict quality standards for brake hydraulics components. The use of aluminum material and precise machining ensures durability and reliable performance. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.

BrandRaybestos
Part NumberMC391137
PositionElement3; New, N/A
Bore Size0.938
Master Cylinder MaterialAluminum
Mounting Hole Diameter0.343
Mounting Hole Quantity2
Primary Port Thread AM12x1
Secondary Port Thread AM12x1

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
2011FordFocusN/Aw/ ESP; Element3; New
2010FordFocusN/Aw/ ESP; Element3; New
2009FordFocusN/Aw/ ESP; Element3; 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:

10-419213-4192130.611379S4Z2140BAS4Z2140AEX0457M630641MCA630641NM4166

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