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Raybestos MC390027 Brake Master Cylinder
Overview of Raybestos MC390027 Brake Master Cylinder
The Raybestos Element3; New Brake Master Cylinder MC390027 is engineered for reliable brake hydraulics performance. Designed specifically for Mitsubishi and Plymouth vehicles, including the Eclipse, Galant, and Laser models, this master cylinder ensures precise brake fluid control and consistent stopping power.
- Constructed from durable aluminum for lightweight strength
- Features a 1.000-inch bore size for optimal hydraulic pressure
- Includes two mounting holes with a diameter of 0.343 inches for secure installation
- Equipped with two ports, both with M10x1 thread size for compatibility with brake lines
- Compatible with Mitsubishi Eclipse, Galant, and Plymouth Laser models
Raybestos Element3; New Product Line Details
The Element3; New line from Raybestos focuses on delivering dependable brake hydraulics components with precise engineering and quality materials. This brake master cylinder is part of that line, offering a balance of durability and performance through its aluminum construction and exact bore sizing. The Element3; New series is designed to meet or exceed OEM specifications for a direct replacement fit.
Technical Description and Specifications
This brake master cylinder (part number MC390027) is crafted from aluminum, providing corrosion resistance and reduced weight compared to traditional cast iron units. The 1.000-inch bore size is calibrated to maintain proper hydraulic pressure for effective braking response. It features two mounting holes, each with a diameter of 0.343 inches, ensuring a secure and stable attachment to the vehicle's brake system. The unit includes two ports, both threaded M10x1, allowing for straightforward connection to brake lines without the need for adapters.
Applications and Problem Solving
- Restores brake fluid pressure in Mitsubishi Eclipse, Galant, and Plymouth Laser models
- Replaces worn or leaking master cylinders causing brake pedal sponginess
- Addresses brake fluid leaks from damaged or corroded master cylinders
- Improves brake system responsiveness and safety
- Solves issues related to inconsistent brake pedal feel or travel
Installation Notes and Tips
- Ensure compatibility with vehicle make and model before installation
- Use proper tools to avoid damaging mounting holes or port threads
- Bleed the brake system thoroughly after installation to remove air
- Inspect brake lines and fittings for wear or damage during replacement
- Follow manufacturer torque specifications for mounting bolts
Quality Assurance and Warranty
Raybestos manufactures the MC390027 brake master cylinder to meet stringent quality standards. The aluminum construction and precise machining contribute to long service life and reliable performance. While specific warranty details should be confirmed at the point of purchase, Raybestos products typically come with a limited warranty against defects in materials and workmanship.
| Brand | Raybestos |
|---|---|
| Part Number | MC390027 |
| Position | Element3; New, N/A |
| Bore Size | 1.000 |
| Master Cylinder Material | Aluminum |
| Mounting Hole Diameter | 0.343 |
| Mounting Hole Quantity | 2 |
| Number of Ports | 2 |
| Primary Port Thread A | M10x1 |
| Secondary Port Thread A | M10x1 |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 1994 | Mitsubishi | Eclipse | AWD | N/A | Element3; New |
| 1994 | Plymouth | Laser | N/A | Element3; New | |
| 1993 | Mitsubishi | Eclipse | AWD | N/A | Element3; New |
| 1993 | Plymouth | Laser | N/A | Element3; New | |
| 1992 | Mitsubishi | Eclipse | AWD | N/A | Element3; New |
| 1992 | Mitsubishi | Galant | FWD | N/A | Element3; New |
| 1992 | Mitsubishi | Galant | AWD | N/A | Element3; New |
| 1992 | Plymouth | Laser | AWD | N/A | Element3; New |
| 1991 | Mitsubishi | Eclipse | AWD | N/A | Element3; New |
| 1991 | Mitsubishi | Galant | FWD | N/A | Element3; New |
| 1991 | Mitsubishi | Galant | AWD | N/A | 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.