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Raybestos MC390685 Brake Master Cylinder
Overview of Raybestos Element3; New Brake Master Cylinder MC390685
The Raybestos Element3; New Brake Master Cylinder MC390685 is engineered for reliable brake hydraulics performance. Designed with precision, this aluminum master cylinder supports safe and consistent braking for various vehicle applications.
- Constructed from durable aluminum for corrosion resistance
- Features a bore size of 0.875 inches for optimal hydraulic pressure
- Includes two mounting holes with a diameter of 0.335 inches for secure installation
- Equipped with two ports, both with M10x1 thread size for compatibility with standard brake lines
- Part number MC390685 ensures exact replacement and fitment
Detailed Product Description and Specifications
This brake master cylinder from Raybestos is part of the Element3; New product line, which focuses on delivering dependable brake hydraulics components. The aluminum construction offers a balance of strength and lightweight design, reducing corrosion risks common in brake system parts. The 0.875-inch bore size is calibrated to provide consistent hydraulic pressure, essential for effective brake pedal feel and stopping power. With two mounting holes sized at 0.335 inches in diameter, installation is straightforward and secure. The master cylinder includes two ports, both threaded M10x1, allowing compatibility with a range of brake line fittings. This part is identified by the number MC390685, ensuring it matches OEM specifications for proper fitment.
Compatible Vehicle Applications and Common Issues Addressed
- Replacement for worn or leaking brake master cylinders in compatible makes and models
- Resolves issues with inconsistent brake pedal pressure or spongy brakes
- Addresses brake fluid leaks caused by damaged or corroded master cylinders
- Restores proper hydraulic function in brake systems with failing master cylinders
- Suitable for vehicles requiring a 0.875-inch bore size and M10x1 port threads
Installation Notes and Tips
- Ensure the mounting holes align with the vehicle’s brake booster or firewall mounts
- Use compatible brake lines with M10x1 threaded fittings for secure connections
- Bleed the brake system thoroughly after installation to remove air and ensure proper hydraulic pressure
- Inspect related brake components such as the brake booster and fluid reservoir during replacement
Quality Assurance and Warranty Information
Raybestos Element3; New brake master cylinders are manufactured to meet or exceed industry standards for brake hydraulics. The aluminum material and precise machining contribute to long-lasting performance. While specific warranty details for part number MC390685 should be confirmed with the supplier, Raybestos products typically come with a limited warranty covering defects in materials and workmanship.
| Brand | Raybestos |
|---|---|
| Part Number | MC390685 |
| Position | Element3; New, N/A |
| Bore Size | 0.875 |
| Master Cylinder Material | Aluminum |
| Mounting Hole Diameter | 0.335 |
| Mounting Hole Quantity | 2 |
| Number of Ports | 2 |
| 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.