OE Quality
60-Day Returns

Raybestos MC391525 Brake Master Cylinder
Reliable Brake Master Cylinder for Ford F-150
The Raybestos Element3; New Brake Master Cylinder MC391525 is designed to restore proper brake hydraulics in your Ford F-150. Engineered with precision, this aluminum master cylinder ensures consistent brake fluid pressure and reliable stopping power.
- Constructed from durable aluminum for corrosion resistance
- Features a 1.250 inch bore size for optimal hydraulic performance
- Includes 2 mounting holes with a diameter of 0.354 inches for secure installation
- Specifically designed for Ford F-150 brake hydraulic systems
- Part number MC391525 ensures exact fit and function
About the Raybestos Element3; New Product Line
The Element3; New line from Raybestos focuses on delivering high-quality brake components that meet or exceed OEM specifications. This brake master cylinder is part of that line, offering reliable materials and precise engineering to maintain the integrity of your Ford F-150's braking system.
Detailed Product Description
This brake master cylinder is crafted from aluminum, providing a lightweight yet durable solution for your Ford F-150. The 1.250 inch bore size is calibrated to maintain proper hydraulic pressure, ensuring consistent brake pedal feel and stopping power. With two mounting holes measuring 0.354 inches in diameter, installation is straightforward and secure. The MC391525 part number corresponds directly to the Ford F-150's brake hydraulic requirements, making it a suitable replacement for worn or damaged master cylinders.
Common Issues Addressed by This Master Cylinder
- Brake pedal sinking or sponginess due to internal leaks
- Loss of hydraulic pressure affecting braking performance
- Brake fluid contamination or corrosion within the master cylinder
- Inconsistent brake response or delayed stopping
- Replacement of worn or damaged master cylinder components
Installation Notes and Tips
- Ensure the brake system is properly bled after installation to remove air
- Verify mounting hole alignment with the Ford F-150 brake booster
- Use compatible brake fluid as specified by the vehicle manufacturer
- Inspect brake lines and fittings for leaks during installation
- Follow torque specifications for mounting bolts to avoid damage
Quality Assurance and Warranty
Raybestos manufactures the MC391525 brake master cylinder to meet strict quality standards, ensuring durability and reliable performance. The Element3; New product line is backed by Raybestos' commitment to quality, providing confidence in fitment and function for your Ford F-150 brake system.
| Brand | Raybestos |
|---|---|
| Part Number | MC391525 |
| Position | Element3; New, N/A |
| Bore Size | 1.250 |
| Master Cylinder Material | Aluminum |
| Mounting Hole Diameter | 0.354 |
| Mounting Hole Quantity | 2 |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2017 | Ford | F-150 | N/A | Power Operated Parking Brake compatible with Disc Brake Pad Set; Element3; New |
| 2016 | Ford | F-150 | N/A | Power Operated Parking Brake compatible with Disc Brake Pad Set; Element3; New |
| 2015 | Ford | F-150 | N/A | Power Operated Parking Brake compatible with Disc Brake Pad Set; 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.