OE Quality
60-Day Returns

Raybestos MC391426 Brake Master Cylinder
Reliable Brake Master Cylinder for Mercedes-Benz Sprinter
The Raybestos Element3; New Brake Master Cylinder MC391426 is engineered to restore precise brake hydraulics for Mercedes-Benz Sprinter 2500 and Sprinter 3500 models. Designed with durable aluminum construction and exact fitment specifications, this master cylinder ensures consistent braking performance.
- Compatible with Mercedes-Benz Sprinter 2500 and Sprinter 3500
- Constructed from lightweight, corrosion-resistant aluminum
- Two mounting holes with 0.354 inch diameter for secure installation
- 1.060 inch bore size for optimal hydraulic pressure
- Primary and secondary port threads sized M12x1 for standard brake line connections
About the Raybestos Element3; New Product Line
The Element3; New line by Raybestos focuses on delivering reliable brake hydraulics components with precise engineering and quality materials. This brake master cylinder MC391426 benefits from the Element3; New line’s emphasis on durability and fitment accuracy, making it suitable for professional repairs on Mercedes-Benz Sprinter vehicles.
Detailed Product Description
This brake master cylinder features an aluminum body that offers resistance to corrosion and heat, contributing to long service life. The 1.060 inch bore size is designed to provide the correct hydraulic pressure needed for the braking system of Sprinter 2500 and 3500 models. With two mounting holes measuring 0.354 inches in diameter, installation is straightforward and secure. Both primary and secondary ports use M12x1 threads, compatible with standard brake line fittings, ensuring a proper seal and reliable fluid transfer.
Common Applications and Problem Resolution
- Restores brake hydraulic pressure in Mercedes-Benz Sprinter 2500 and 3500
- Replaces worn or leaking master cylinders causing brake fluid loss
- Addresses spongy or unresponsive brake pedal issues
- Fixes brake system failures related to master cylinder wear
- Improves overall brake system reliability and safety
Installation Notes and Tips
Ensure the vehicle is securely lifted and supported before beginning installation. Verify that the mounting holes align correctly with the vehicle’s brake system mounting points. Use compatible brake fluid and bleed the brake system thoroughly after installation to remove air and ensure proper hydraulic function. Check all M12x1 port connections for tightness to prevent leaks.
Quality Assurance and Warranty
Raybestos manufactures the MC391426 brake master cylinder to meet or exceed OEM specifications for Mercedes-Benz Sprinter 2500 and 3500 models. The aluminum construction and precise machining contribute to consistent performance and durability. Warranty details should be confirmed with the product documentation or supplier.
| Brand | Raybestos |
|---|---|
| Part Number | MC391426 |
| Position | Element3; New, N/A |
| Bore Size | 1.060 |
| Master Cylinder Material | Aluminum |
| Mounting Hole Diameter | 0.354 |
| Mounting Hole Quantity | 2 |
| Primary Port Thread A | M12x1 |
| Secondary Port Thread A | M12x1 |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2014 | Mercedes-Benz | Sprinter 2500 | Base | N/A | Element3; New |
| 2014 | Mercedes-Benz | Sprinter 3500 | Base | N/A | Element3; New |
| 2013 | Mercedes-Benz | Sprinter 2500 | Base | N/A | Element3; New |
| 2013 | Mercedes-Benz | Sprinter 3500 | Base | N/A | Element3; New |
| 2012 | Mercedes-Benz | Sprinter 2500 | Base | N/A | Element3; New |
| 2012 | Mercedes-Benz | Sprinter 3500 | Base | N/A | Element3; New |
| 2011 | Mercedes-Benz | Sprinter 2500 | Base | N/A | Element3; New |
| 2011 | Mercedes-Benz | Sprinter 3500 | Base | N/A | Element3; New |
| 2010 | Mercedes-Benz | Sprinter 2500 | N/A | From 9/30/09; 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.