OE Quality
60-Day Returns

Raybestos MC390592 Brake Master Cylinder
Overview of Raybestos Element3; New Brake Master Cylinder MC390592
The Raybestos Element3; New Brake Master Cylinder MC390592 is designed specifically for Cadillac DeVille models, providing reliable brake hydraulics performance. Crafted from durable aluminum, this master cylinder ensures consistent braking pressure and long-lasting operation.
- Compatible with Cadillac DeVille vehicles
- Constructed from high-quality aluminum material
- Two mounting holes with 0.472-inch diameter for secure installation
- 34.000 mm bore size for precise hydraulic control
- Primary and secondary port threads sized M12x1.5 for standard brake line fittings
Detailed Product Features and Specifications
This brake master cylinder, part number MC390592, is engineered with a 34.000 mm bore size to deliver accurate hydraulic pressure for the braking system of Cadillac DeVille models. The aluminum construction offers corrosion resistance and durability under demanding conditions. It features two mounting holes, each with a diameter of 0.472 inches, ensuring a secure and stable fit during installation. Both the primary and secondary ports use M12x1.5 thread sizes, compatible with standard brake hydraulic lines, facilitating straightforward connection and maintenance.
About the Raybestos Element3; New Product Line
The Element3; New line from Raybestos focuses on delivering reliable brake hydraulics components with modern materials and precise engineering. This product line emphasizes durability and fitment accuracy, making it suitable for replacement brake master cylinders like the MC390592 designed for Cadillac DeVille vehicles. Element3; New parts are manufactured to meet or exceed OEM specifications, ensuring dependable braking performance.
Common Applications and Problem Resolution
- Replacement for worn or leaking brake master cylinders on Cadillac DeVille
- Restores proper hydraulic pressure to improve brake pedal feel
- Addresses brake fluid leaks caused by damaged seals or corrosion
- Eliminates spongy or unresponsive brake pedal issues
- Prevents brake system failure due to master cylinder malfunction
Installation Notes and Tips
When installing the Raybestos MC390592 brake master cylinder, ensure the mounting holes align precisely with the vehicle’s brake booster or firewall. Use the specified 0.472-inch diameter mounting holes for secure attachment. Confirm that the M12x1.5 threaded ports match the brake line fittings to avoid leaks. Bleed the brake system thoroughly after installation to remove air and restore proper hydraulic pressure. It is recommended to inspect related brake components during installation for optimal system performance.
Quality Assurance and Warranty Information
Raybestos manufactures the MC390592 brake master cylinder to meet stringent quality standards, ensuring reliable operation in Cadillac DeVille brake systems. The aluminum construction resists corrosion and wear, contributing to the part’s longevity. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.
| Brand | Raybestos |
|---|---|
| Part Number | MC390592 |
| Position | Element3; New, N/A |
| Bore Size | 34.000 |
| Master Cylinder Material | Aluminum |
| Mounting Hole Diameter | 0.472 |
| Mounting Hole Quantity | 2 |
| Primary Port Thread A | M12x1.5 |
| Secondary Port Thread A | M12x1.5 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Cadillac | DeVille | N/A | Heavy Duty Brakes; GM Brake Code J55; Element3; New |
| 2004 | Cadillac | DeVille | N/A | Heavy Duty Brakes; GM Brake Code J55; Element3; New |
| 2003 | Cadillac | DeVille | N/A | Heavy Duty Brakes; GM Brake Code J55; Element3; New |
| 2002 | Cadillac | DeVille | N/A | Heavy Duty Brakes; GM Brake Code J55; Element3; New |
| 2001 | Cadillac | DeVille | N/A | Heavy Duty Brakes; GM Brake Code J55; Element3; New |
| 2000 | Cadillac | DeVille | N/A | Heavy Duty Brakes; GM Brake Code J55; 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.