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Raybestos MC391251 Brake Master Cylinder
Reliable Brake Master Cylinder for Chevrolet and GMC Vans
The Raybestos Element3; New Brake Master Cylinder MC391251 is engineered to restore precise brake hydraulics for Chevrolet Express 1500 and GMC Savana 1500 models. Designed with durable aluminum construction and exact fitment specifications, this master cylinder ensures consistent braking performance.
- Constructed from lightweight, corrosion-resistant aluminum
- Two mounting holes with 0.421-inch diameter for secure installation
- 34.000 mm bore size optimized for brake fluid pressure control
- Two ports with M14x1.5 thread size for primary and secondary brake lines
- Compatible with Chevrolet Express 1500 and GMC Savana 1500 vehicles
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 standards. This product line emphasizes precision engineering and material quality, such as the aluminum master cylinder body found in part number MC391251, to provide consistent brake system performance and durability for specific vehicle applications.
Detailed Product Description
This brake master cylinder features a 34.000 mm bore size designed to maintain proper hydraulic pressure within the brake system. The aluminum construction offers resistance to corrosion and heat, contributing to longer service life. With two mounting holes sized at 0.421 inches in diameter, installation is straightforward and secure. The master cylinder includes two ports, both threaded M14x1.5, accommodating primary and secondary brake lines for effective fluid distribution. This part is specifically engineered for Chevrolet Express 1500 and GMC Savana 1500 models, ensuring compatibility and reliable braking response.
Common Applications and Issues Addressed
- Restores brake fluid pressure in Chevrolet Express 1500 and GMC Savana 1500
- Replaces worn or leaking master cylinders causing brake pedal sponginess
- Solves brake fluid leaks from damaged or corroded master cylinder bodies
- Addresses inconsistent brake pedal feel due to internal seal failure
- Improves overall brake system responsiveness and safety
Installation Notes and Tips
- Ensure vehicle compatibility with Chevrolet Express 1500 or GMC Savana 1500 before installation
- Use proper tools to avoid damaging the M14x1.5 threaded ports during brake line connection
- Bleed the brake system thoroughly after installation to remove air and ensure optimal performance
- Inspect mounting holes and hardware for secure fitment using the 0.421-inch diameter holes
Quality Assurance and Warranty
Raybestos manufactures the MC391251 brake master cylinder to meet stringent quality standards, using durable aluminum material for corrosion resistance and longevity. While specific warranty details are not provided here, Raybestos products typically come with manufacturer-backed warranties to ensure reliability and customer confidence.
| Brand | Raybestos |
|---|---|
| Part Number | MC391251 |
| Position | Element3; New, N/A |
| Bore Size | 34.000 |
| Master Cylinder Material | Aluminum |
| Mounting Hole Diameter | 0.421 |
| Mounting Hole Quantity | 2 |
| Number of Ports | 2 |
| Primary Port Thread A | M14x1.5 |
| Secondary Port Thread A | M14x1.5 |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2008 | Chevrolet | Express 1500 | N/A | Compatible with vehicles equipped with Active Brake Control.; Element3; New |
| 2008 | GMC | Savana 1500 | N/A | Compatible with vehicles equipped with Active Brake Control.; 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.