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Raybestos MC39531 Brake Master Cylinder
Reliable Brake Master Cylinder for Ford and Mercury Vehicles
The Raybestos Element3; New Brake Master Cylinder MC39531 is engineered to restore precise brake hydraulics in select Ford and Mercury models. Designed with durable iron construction and exact fitment specifications, this master cylinder ensures consistent braking performance for vehicles like the Mustang, Cougar, and Thunderbird.
- Constructed from robust iron material for long-lasting durability
- Features a 21.000 mm bore size for optimal hydraulic pressure
- Includes 2 mounting holes with a diameter of 0.413 inches for secure installation
- Equipped with 2 ports: primary port thread 9/16"-18 and secondary port thread 1/2"-20
- Compatible with Ford and Mercury models including Capri, Fairmont, LTD, Marquis, Mustang, Thunderbird, and Zephyr
About the Raybestos Element3; New Product Line
The Element3; New line from Raybestos focuses on delivering reliable brake hydraulics components that meet or exceed OEM specifications. This brake master cylinder MC39531 is part of that line, offering precise engineering and material quality designed to maintain the integrity of your vehicle’s braking system. The Element3; New series emphasizes durability and fitment accuracy for a range of Ford and Mercury vehicles.
Detailed Product Description
This brake master cylinder MC39531 is crafted from iron, providing strength and resistance to wear under demanding braking conditions. The 21.000 mm bore size is calibrated to deliver consistent hydraulic pressure, essential for effective brake operation. With two mounting holes sized at 0.413 inches in diameter, installation is straightforward and secure. The unit features two ports with specific thread sizes—9/16"-18 for the primary port and 1/2"-20 for the secondary port—ensuring compatibility with the brake lines of the supported vehicle models.
Common Applications and Problem Solving
- Restores brake hydraulic pressure in Ford Mustang and Mercury Cougar
- Replaces worn or leaking master cylinders in Ford Thunderbird and Capri
- Addresses brake pedal sinking or sponginess in Mercury Marquis and Fairmont
- Solves fluid leakage issues in Ford LTD and Zephyr brake systems
- Improves overall brake responsiveness and safety
Installation Notes and Tips
- Ensure compatibility with your specific Ford or Mercury model before installation
- Bleed the brake system thoroughly after installation to remove air
- Check mounting hole alignment and port thread sizes for proper fit
- Use recommended brake fluid type as specified by the vehicle manufacturer
- Inspect brake lines and fittings for wear or damage during installation
Quality Assurance and Warranty
The Raybestos Element3; New brake master cylinder MC39531 is manufactured to meet stringent quality standards. Constructed from iron and designed for precise fitment, it supports reliable brake system performance. While specific warranty details are not provided here, Raybestos products typically come with manufacturer-backed quality assurance to ensure durability and function.
| Brand | Raybestos |
|---|---|
| Part Number | MC39531 |
| Position | Element3; New, N/A |
| Bore Size | 21.000 |
| Master Cylinder Material | Iron |
| Mounting Hole Diameter | 0.413 |
| Mounting Hole Quantity | 2 |
| Number of Ports | 2 |
| Primary Port Thread A | 9/16"-18 |
| Secondary Port Thread A | 1/2"-20 |
This part fits 48 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1986 | Ford | LTD | Base | N/A | Element3; New | ||
| 1986 | Ford | LTD | Brougham | N/A | Element3; New | ||
| 1986 | Ford | Mustang | GT | N/A | Element3; New | ||
| 1986 | Ford | Mustang | LX | N/A | Element3; New | ||
| 1986 | Ford | Thunderbird | N/A | Element3; New | |||
| 1986 | Mercury | Capri | N/A | Element3; New | |||
| 1986 | Mercury | Cougar | N/A | Element3; New | |||
| 1986 | Mercury | Marquis | N/A | Element3; New | |||
| 1985 | Ford | LTD | Base | N/A | Element3; New | ||
| 1985 | Ford | LTD | Brougham | N/A | Element3; New | ||
| 1985 | Ford | LTD | LX Brougham | N/A | Element3; New | ||
| 1985 | Ford | Mustang | GT | N/A | Element3; New | ||
| 1985 | Ford | Mustang | LX | N/A | Element3; New | ||
| 1985 | Ford | Thunderbird | N/A | Element3; New | |||
| 1985 | Mercury | Capri | N/A | Element3; New | |||
| 1985 | Mercury | Cougar | N/A | Element3; New | |||
| 1985 | Mercury | Marquis | N/A | Element3; New | |||
| 1984 | Ford | LTD | Base | N/A | Element3; New | ||
| 1984 | Ford | LTD | Brougham | N/A | Element3; New | ||
| 1984 | Ford | Mustang | GT | N/A | Element3; New | ||
| 1984 | Ford | Mustang | L | N/A | Element3; New | ||
| 1984 | Ford | Mustang | LX | N/A | Element3; New | ||
| 1984 | Ford | Thunderbird | N/A | Element3; New | |||
| 1984 | Mercury | Capri | N/A | Element3; New | |||
| 1984 | Mercury | Cougar | N/A | Element3; New | |||
| 1984 | Mercury | Marquis | N/A | Element3; New | |||
| 1983 | Ford | Fairmont | N/A | Element3; New | |||
| 1983 | Ford | LTD | Base | N/A | Element3; New | ||
| 1983 | Ford | Mustang | GL | N/A | Element3; New | ||
| 1983 | Ford | Mustang | GLX | N/A | Element3; New | ||
| 1983 | Ford | Mustang | GT | N/A | Element3; New | ||
| 1983 | Ford | Mustang | L | N/A | Element3; New | ||
| 1983 | Ford | Mustang | Turbo GT | N/A | Element3; New | ||
| 1983 | Ford | Thunderbird | N/A | Element3; New | |||
| 1983 | Mercury | Capri | N/A | Element3; New | |||
| 1983 | Mercury | Cougar | N/A | Element3; New | |||
| 1983 | Mercury | Marquis | N/A | Element3; New | |||
| 1983 | Mercury | Zephyr | N/A | Element3; New | |||
| 1982 | Ford | Fairmont | N/A | Element3; New | |||
| 1982 | Ford | LTD | N/A | Element3; New | |||
| 1982 | Ford | Mustang | 5.0L | V8 | N/A | Element3; New | |
| 1982 | Ford | Mustang | 4.2L | V8 | N/A | Element3; New | |
| 1982 | Ford | Mustang | 3.3L | L6 | N/A | Element3; New | |
| 1982 | Ford | Thunderbird | N/A | Element3; New | |||
| 1982 | Mercury | Cougar | N/A | Element3; New | |||
| 1982 | Mercury | Zephyr | N/A | Element3; New | |||
| 1981 | Ford | Thunderbird | N/A | Element3; New | |||
| 1981 | Mercury | Cougar | XR-7 | N/A | From 6/81; 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.