OE Quality
60-Day Returns

Raybestos MC36234 Brake Master Cylinder
Reliable Brake Master Cylinder for Classic GM Vehicles
The Raybestos Element3; New Brake Master Cylinder MC36234 is engineered to restore precise brake hydraulics in select Buick, Cadillac, Oldsmobile, and Pontiac models. Designed with durable iron construction and exact fitment specifications, this master cylinder supports safe and consistent braking performance.
- Constructed from robust iron for long-lasting durability
- Features a 1.000 inch bore size for optimal hydraulic pressure
- Includes two mounting holes with a 0.406 inch diameter for secure installation
- Equipped with two ports: primary port thread 9/16"-18 and secondary port thread 1/2"-20
- Compatible with multiple GM models including Buick LeSabre, Pontiac Bonneville, Cadillac DeVille, and Oldsmobile Delta 88
About the Raybestos Element3; New Product Line
The Element3; New line by Raybestos focuses on delivering reliable brake hydraulics components that meet or exceed OEM specifications. This brake master cylinder MC36234 is part of that line, offering precise engineering and material quality tailored for classic GM vehicles. The Element3; New series emphasizes durability and fitment accuracy to maintain original braking system performance.
Detailed Product Description
This brake master cylinder is made from iron, providing strength and resistance to wear under demanding braking conditions. The 1.000 inch bore size ensures proper hydraulic pressure for effective brake operation. With two mounting holes sized at 0.406 inches in diameter, installation is secure and stable. The master cylinder includes 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 vehicles. The part number MC36234 corresponds to this exact configuration, designed for use in Buick, Cadillac, Oldsmobile, and Pontiac models such as the Bonneville, Eldorado, Fleetwood, and Riviera.
Common Applications and Issues Addressed
- Restores brake hydraulic pressure in Buick LeSabre and Pontiac Bonneville
- Replaces worn or leaking master cylinders in Cadillac DeVille and Oldsmobile Delta 88
- Solves brake pedal sinking or sponginess due to internal seal failure
- Addresses brake fluid leaks from damaged or corroded master cylinders
- Improves overall brake system responsiveness and safety
Installation Notes and Tips
- Ensure compatibility with your specific make and model before installation
- Bleed the brake system thoroughly after installation to remove air
- Use proper torque specifications on mounting bolts with 0.406 inch diameter holes
- Inspect brake lines and fittings for wear or damage during replacement
- Follow manufacturer guidelines for port thread connections (9/16"-18 primary, 1/2"-20 secondary)
Quality Assurance and Warranty
Raybestos manufactures the MC36234 brake master cylinder to meet stringent quality standards, ensuring reliable performance in brake hydraulics. While specific warranty details are not provided here, Raybestos products typically come with coverage against defects in materials and workmanship. Refer to official Raybestos documentation for exact warranty terms.
| Brand | Raybestos |
|---|---|
| Part Number | MC36234 |
| Position | Element3; New, N/A |
| Bore Size | 1.000 |
| Master Cylinder Material | Iron |
| Mounting Hole Diameter | 0.406 |
| 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 42 vehicles. Search below:
| Year | Make | Model | Submodel | # Doors | Position | Notes |
|---|---|---|---|---|---|---|
| 1970 | Buick | LeSabre | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | ||
| 1970 | Buick | Riviera | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | ||
| 1970 | Pontiac | Bonneville | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | ||
| 1970 | Pontiac | Catalina | Base | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | |
| 1970 | Pontiac | Catalina | Ventura | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | |
| 1969 | Buick | LeSabre | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | ||
| 1969 | Buick | Riviera | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | ||
| 1969 | Oldsmobile | 98 | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | ||
| 1969 | Oldsmobile | Delta 88 | Base | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | |
| 1969 | Oldsmobile | Delta 88 | Custom | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | |
| 1969 | Oldsmobile | Delta 88 | Royale | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | |
| 1969 | Pontiac | Bonneville | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | ||
| 1969 | Pontiac | Catalina | Base | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | |
| 1969 | Pontiac | Catalina | Ventura | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | |
| 1969 | Pontiac | Parisienne | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | ||
| 1968 | Buick | LeSabre | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | ||
| 1968 | Buick | Riviera | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | ||
| 1968 | Cadillac | Commercial Chassis | N/A | Element3; New | ||
| 1968 | Cadillac | DeVille | N/A | Element3; New | ||
| 1968 | Cadillac | Fleetwood | Base | N/A | w/ Delco Brake Booster; Element3; New | |
| 1968 | Cadillac | Fleetwood | 75 | N/A | Element3; New | |
| 1968 | Oldsmobile | 98 | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | ||
| 1968 | Oldsmobile | Delta 88 | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | ||
| 1968 | Pontiac | Bonneville | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | ||
| 1968 | Pontiac | Catalina | Base | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | |
| 1968 | Pontiac | Catalina | Ventura | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | |
| 1968 | Pontiac | Parisienne | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | ||
| 1967 | Buick | LeSabre | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | ||
| 1967 | Buick | Riviera | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | ||
| 1967 | Cadillac | Commercial Chassis | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | ||
| 1967 | Cadillac | DeVille | 4 Door | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | |
| 1967 | Cadillac | DeVille | 2 Door | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | |
| 1967 | Cadillac | Eldorado | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | ||
| 1967 | Cadillac | Fleetwood | Base | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | |
| 1967 | Cadillac | Fleetwood | 75 | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | |
| 1967 | Oldsmobile | 98 | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | ||
| 1967 | Oldsmobile | Delta 88 | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | ||
| 1967 | Pontiac | Bonneville | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | ||
| 1967 | Pontiac | Catalina | Base | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | |
| 1967 | Pontiac | Catalina | 2+2 | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | |
| 1967 | Pontiac | Catalina | Ventura | N/A | Not compatible with MORAINE Master Cylinder.; Element3; New | |
| 1967 | Pontiac | Parisienne | N/A | Not compatible with MORAINE Master Cylinder.; 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.