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Raybestos MC39878 Brake Master Cylinder
Overview of Raybestos MC39878 Brake Master Cylinder
The Raybestos Element3; New MC39878 brake master cylinder is engineered for reliable brake hydraulics performance. Designed with precision iron construction and specific mounting features, this part supports consistent braking pressure for compatible vehicle models.
- Constructed from durable iron for long-lasting strength
- Two mounting holes with 0.343-inch diameter for secure installation
- 0.813-inch bore size optimized for brake fluid control
- Four ports including primary and secondary M10x1 threaded ports
- Part number MC39878 ensures exact replacement fit
Detailed Product Features and Specifications
This brake master cylinder features a robust iron body designed to withstand the demands of brake hydraulic systems. The 0.813-inch bore size allows for precise fluid displacement, critical for maintaining brake pressure and pedal feel. With two mounting holes sized at 0.343 inches in diameter, installation is straightforward and stable. The unit includes four ports, with both primary and secondary ports threaded M10x1, facilitating secure brake line connections. The MC39878 part number identifies this specific configuration, ensuring compatibility with vehicles requiring these exact specifications.
About the Raybestos Element3; New Product Line
The Element3; New line from Raybestos focuses on delivering brake hydraulics components that meet or exceed OEM standards. This product line emphasizes material quality and dimensional accuracy, providing reliable replacements for brake master cylinders. The MC39878 is part of this line, reflecting Raybestos's commitment to durability and performance in brake system components.
Common Applications and Problem Resolution
- Replacement for worn or leaking brake master cylinders
- Restores proper brake pedal pressure and responsiveness
- Addresses brake fluid leakage issues at the master cylinder
- Corrects inconsistent brake pedal travel or sponginess
- Supports brake system maintenance for compatible vehicle makes and models
Installation Notes and Tips
Ensure the mounting holes align precisely with the vehicle’s brake system bracket using the 0.343-inch diameter holes. Verify that brake lines match the M10x1 threaded ports for secure connections. Bleed the brake system thoroughly after installation to remove air and restore proper hydraulic pressure. Use appropriate tools to avoid damaging the iron master cylinder body during installation.
Quality Assurance and Warranty
Raybestos manufactures the MC39878 brake master cylinder to meet stringent quality standards. The iron construction and precise machining contribute to reliable performance and durability. While specific warranty details may vary, Raybestos products typically include coverage against manufacturing defects to ensure customer confidence in replacement brake components.
| Brand | Raybestos |
|---|---|
| Part Number | MC39878 |
| Position | Element3; New, N/A |
| Bore Size | 0.813 |
| Master Cylinder Material | Iron |
| Mounting Hole Diameter | 0.343 |
| Mounting Hole Quantity | 2 |
| Number of Ports | 4 |
| Primary Port Thread A | M10x1 |
| Secondary Port Thread A | M10x1 |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
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* 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.