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Raybestos MC391346 Brake Master Cylinder
Overview of Raybestos Element3; New Brake Master Cylinder MC391346
The Raybestos Element3; New Brake Master Cylinder MC391346 is engineered for reliable brake hydraulics performance in select Audi and Volkswagen models. Designed with precision, this aluminum master cylinder ensures consistent braking response for vehicles like the Audi A3, A3 Quattro, and Volkswagen Golf.
- Constructed from durable aluminum for corrosion resistance
- Two mounting holes with 0.342-inch diameter for secure installation
- Bore size of 0.875 inches for optimal hydraulic pressure
- Equipped with two ports featuring M12x1 thread size for compatibility
- Compatible with Audi A3, A3 Quattro, and Volkswagen Golf models
Detailed Product Features and Specifications
This brake master cylinder, part number MC391346, is crafted from aluminum, providing a lightweight yet sturdy component essential for brake hydraulics. It features two mounting holes, each with a diameter of 0.342 inches, ensuring a precise fit and secure attachment to the vehicle’s brake system. The bore size of 0.875 inches is designed to deliver the correct hydraulic pressure needed for effective braking. Additionally, the master cylinder includes two ports, both threaded M12x1, facilitating proper brake line connections and fluid flow.
About the Raybestos Element3; New Product Line
The Element3; New line by Raybestos focuses on delivering reliable brake components that meet or exceed OEM specifications. This product line emphasizes quality materials and precise engineering, making it suitable for maintaining the integrity of brake hydraulics in vehicles such as the Audi A3 and Volkswagen Golf. The MC391346 master cylinder is part of this line, reflecting Raybestos’ commitment to durability and performance in brake system components.
Applications and Common Issues Addressed
- Replacement for worn or leaking brake master cylinders in Audi A3, A3 Quattro, and Volkswagen Golf
- Restores proper hydraulic pressure for consistent brake pedal feel
- Eliminates brake fluid leaks caused by damaged seals or corrosion
- Resolves spongy or unresponsive brake pedal issues
- Prevents brake system failure due to master cylinder malfunction
Installation Notes and Tips
When installing the Raybestos MC391346 brake master cylinder, ensure the mounting holes align precisely with the vehicle’s brake booster or firewall. Use the specified 0.342-inch diameter mounting holes for secure attachment. Properly thread brake lines into the M12x1 ports to avoid leaks. Bleed the brake system thoroughly after installation to remove air and restore optimal hydraulic function. It is recommended to inspect related brake components during installation for overall system integrity.
Quality Assurance and Warranty Information
Raybestos manufactures the MC391346 master cylinder to meet stringent quality standards, using corrosion-resistant aluminum and precision machining. This part is designed to provide reliable service life under normal operating conditions. Warranty coverage details should be confirmed with the product documentation or supplier, as Raybestos typically offers limited warranties covering defects in materials and workmanship.
| Brand | Raybestos |
|---|---|
| Part Number | MC391346 |
| Position | Element3; New, N/A |
| Bore Size | 0.875 |
| Master Cylinder Material | Aluminum |
| Mounting Hole Diameter | 0.342 |
| Mounting Hole Quantity | 2 |
| Number of Ports | 2 |
| Primary Port Thread A | M12x1 |
| Secondary Port Thread A | M12x1 |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2011 | Audi | A3 | N/A | Left Hand Drive; Raybestos Element 3 |
| 2011 | Audi | A3 Quattro | N/A | w/ Bosch Master Cylinder; Left Hand Drive; Element3; New |
| 2011 | Volkswagen | Golf | N/A | w/ Bosch Brakes; Element3; New |
| 2010 | Audi | A3 | N/A | Left Hand Drive; Raybestos Element 3 |
| 2010 | Audi | A3 Quattro | N/A | w/ Bosch Master Cylinder; Left Hand Drive; Element3; New |
| 2010 | Volkswagen | Golf | N/A | w/ Bosch Brakes; Seventh and Eighth Digit of VIN is AJ or 1K; Element3; New |
| 2009 | Audi | A3 | N/A | Left Hand Drive; Raybestos Element 3 |
| 2009 | Audi | A3 Quattro | N/A | w/ Bosch Master Cylinder; Left Hand Drive; Element3; New |
| 2008 | Audi | A3 | N/A | w/ Bosch Master Cylinder; Element3; New |
| 2008 | Audi | A3 Quattro | N/A | w/ Bosch Master Cylinder; Element3; New |
| 2007 | Audi | A3 | N/A | w/ Bosch Master Cylinder; Element3; New |
| 2007 | Audi | A3 Quattro | N/A | w/ Bosch Master Cylinder; Element3; New |
| 2006 | Audi | A3 | N/A | w/ Bosch Master Cylinder; Element3; New |
| 2006 | Audi | A3 Quattro | N/A | w/ Bosch Master Cylinder; 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.