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Raybestos MC39324 Brake Master Cylinder
Reliable Brake Master Cylinder for Chevrolet and GMC Trucks
The Raybestos Element3; New Brake Master Cylinder MC39324 is engineered to restore precise brake hydraulics for Chevrolet and GMC heavy-duty trucks. Designed specifically for models like the C20, K20, and R2500 Suburban series, this master cylinder ensures consistent brake fluid pressure and reliable stopping power.
- Constructed from durable iron for long-lasting performance
- Features a 1.250-inch bore size for optimal hydraulic control
- Includes two mounting holes with a 0.433-inch diameter for secure installation
- Equipped with two ports: primary port thread 9/16"-18 and secondary port thread 1/2"-20
- Compatible with Chevrolet and GMC C20, K20, R20, V20, and their Suburban and 2500 series trucks
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 MC39324 is part of that line, offering a robust iron construction and precise bore sizing to maintain consistent brake fluid pressure. The Element3; New series is designed to provide dependable performance for heavy-duty Chevrolet and GMC trucks requiring durable brake system parts.
Detailed Product Description
This brake master cylinder MC39324 is crafted from iron, providing strength and resistance to wear under demanding conditions. The 1.250-inch bore size is calibrated to deliver the correct hydraulic pressure needed for effective braking. With two mounting holes sized at 0.433 inches in diameter, installation is secure and stable. The master cylinder 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 on Chevrolet and GMC C20, K20, R20, V20, and their Suburban and 2500 variants.
Common Applications and Issues Addressed
- Restores brake fluid pressure in Chevrolet and GMC C20 and K20 trucks
- Replaces worn or leaking master cylinders causing brake pedal sponginess
- Solves brake fluid leaks from damaged or corroded master cylinders
- Improves brake system responsiveness in R20 and V20 Suburban models
- Addresses master cylinder failure symptoms in 2500 series heavy-duty trucks
Installation Notes and Tips
- Ensure compatibility with your specific Chevrolet or GMC model before installation
- Bleed the brake system thoroughly after installation to remove air pockets
- Check mounting hole alignment and port thread sizes for proper fit
- Use appropriate brake fluid as specified by the vehicle manufacturer
- Inspect brake lines and fittings for wear or damage during replacement
Quality Assurance and Warranty
Raybestos Element3; New brake master cylinders are manufactured to meet OEM standards for durability and performance. The MC39324 part number undergoes rigorous quality control to ensure reliable operation in Chevrolet and GMC heavy-duty trucks. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Raybestos |
|---|---|
| Part Number | MC39324 |
| Position | Element3; New, N/A |
| Bore Size | 1.250 |
| Master Cylinder Material | Iron |
| Mounting Hole Diameter | 0.433 |
| 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 72 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1991 | Chevrolet | R2500 Suburban | N/A | Bore 1-1/4in; with 13 IN Brakes; Element3; New |
| 1991 | Chevrolet | V2500 Suburban | N/A | w/ 13" Rear Brakes; Bore 1-1/4in; Element3; New |
| 1991 | GMC | R2500 Suburban | N/A | Element3; New |
| 1990 | Chevrolet | R2500 Suburban | N/A | Bore 1-1/4in; with 13 IN Brakes; Element3; New |
| 1990 | Chevrolet | V2500 Suburban | N/A | w/ 13" Rear Brakes; Bore 1-1/4in; Element3; New |
| 1990 | GMC | R2500 Suburban | N/A | Element3; New |
| 1989 | Chevrolet | R2500 | N/A | Element3; New |
| 1989 | Chevrolet | R2500 Suburban | N/A | Bore 1-1/4in; with 13 IN Brakes; Element3; New |
| 1989 | Chevrolet | V2500 Suburban | N/A | w/ 13" Rear Brakes; Bore 1-1/4in; Element3; New |
| 1989 | GMC | R2500 | N/A | Element3; New |
| 1989 | GMC | R2500 Suburban | N/A | Element3; New |
| 1988 | Chevrolet | R20 | N/A | Element3; New |
| 1988 | Chevrolet | R20 Suburban | N/A | Bore 1-1/4in; with 13 IN Brakes; Element3; New |
| 1988 | Chevrolet | V20 Suburban | N/A | w/ 13" Rear Brakes; Bore 1-1/4in; Element3; New |
| 1988 | GMC | R2500 | N/A | Element3; New |
| 1988 | GMC | R2500 Suburban | N/A | Element3; New |
| 1987 | Chevrolet | R20 | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1987 | Chevrolet | R20 Suburban | N/A | Bore 1-1/4in; with 13 IN Brakes; Element3; New |
| 1987 | Chevrolet | V20 | N/A | w/ 13" Rear Brakes; Element3; New |
| 1987 | Chevrolet | V20 Suburban | N/A | w/ 13" Rear Brakes; Bore 1-1/4in; Element3; New |
| 1987 | GMC | R2500 | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1987 | GMC | R2500 Suburban | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1987 | GMC | V2500 | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1987 | GMC | V2500 Suburban | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1986 | Chevrolet | C20 | N/A | Bore 1-1/4in; with 13 IN Brakes; Element3; New |
| 1986 | Chevrolet | C20 Suburban | N/A | Bore 1-1/4in; with 13 IN Brakes; Element3; New |
| 1986 | Chevrolet | K20 | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1986 | Chevrolet | K20 Suburban | N/A | Bore 1-1/4in; with 13 IN Brakes; Element3; New |
| 1986 | GMC | C2500 | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1986 | GMC | C2500 Suburban | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1986 | GMC | K2500 | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1986 | GMC | K2500 Suburban | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1985 | Chevrolet | C20 | N/A | Bore 1-1/4in; with 13 IN Brakes; Element3; New |
| 1985 | Chevrolet | C20 Suburban | N/A | Bore 1-1/4in; with 13 IN Brakes; Element3; New |
| 1985 | Chevrolet | K20 | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1985 | Chevrolet | K20 Suburban | N/A | Bore 1-1/4in; with 13 IN Brakes; Element3; New |
| 1985 | GMC | C2500 | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1985 | GMC | C2500 Suburban | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1985 | GMC | K2500 | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1985 | GMC | K2500 Suburban | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1984 | Chevrolet | C20 | N/A | Bore 1-1/4in; with 13 IN Brakes; Element3; New |
| 1984 | Chevrolet | C20 Suburban | N/A | Bore 1-1/4in; with 13 IN Brakes; Element3; New |
| 1984 | Chevrolet | K20 | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1984 | Chevrolet | K20 Suburban | N/A | Bore 1-1/4in; with 13 IN Brakes; Element3; New |
| 1984 | GMC | C2500 | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1984 | GMC | C2500 Suburban | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1984 | GMC | K2500 | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1984 | GMC | K2500 Suburban | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1983 | Chevrolet | C20 | N/A | Bore 1-1/4in; with 13 IN Brakes; Element3; New |
| 1983 | Chevrolet | C20 Suburban | N/A | Bore 1-1/4in; with 13 IN Brakes; Element3; New |
| 1983 | Chevrolet | K20 | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1983 | Chevrolet | K20 Suburban | N/A | Bore 1-1/4in; with 13 IN Brakes; Element3; New |
| 1983 | GMC | C2500 | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1983 | GMC | C2500 Suburban | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1983 | GMC | K2500 | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1983 | GMC | K2500 Suburban | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1982 | Chevrolet | C20 | N/A | Bore 1-1/4in; with 13 IN Brakes; Element3; New |
| 1982 | Chevrolet | C20 Suburban | N/A | Bore 1-1/4in; with 13 IN Brakes; Element3; New |
| 1982 | Chevrolet | K20 | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1982 | Chevrolet | K20 Suburban | N/A | Bore 1-1/4in; with 13 IN Brakes; Element3; New |
| 1982 | GMC | C2500 | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1982 | GMC | C2500 Suburban | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1982 | GMC | K2500 | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1982 | GMC | K2500 Suburban | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1981 | Chevrolet | C20 | N/A | Bore 1-1/4in; with 13 IN Brakes; Element3; New |
| 1981 | Chevrolet | C20 Suburban | N/A | Bore 1-1/4in; with 13 IN Brakes; Element3; New |
| 1981 | Chevrolet | K20 | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1981 | Chevrolet | K20 Suburban | N/A | Bore 1-1/4in; with 13 IN Brakes; Element3; New |
| 1981 | GMC | C2500 | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1981 | GMC | C2500 Suburban | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1981 | GMC | K2500 | N/A | Fits 13 inch drum brakes.; Element3; New |
| 1981 | GMC | K2500 Suburban | N/A | Fits 13 inch drum brakes.; 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.