Raybestos MC4355 Brake Master Cylinder

Reliable Brake Master Cylinder for Precise Hydraulic Control

The Raybestos Element3; New Brake Master Cylinder MC4355 is engineered to provide consistent brake hydraulic performance. Designed with durable iron construction and precise bore sizing, this master cylinder supports safe and effective braking for various vehicle applications.

• Constructed from robust iron material for durability
• 1.250 inch bore size for accurate hydraulic pressure
• Two mounting holes with 0.438 inch diameter for secure installation
• Equipped with two ports and 1/8"-27 NPSF primary port thread
• Part number MC4355 ensures exact replacement compatibility

Detailed Features and Specifications

The Raybestos MC4355 brake master cylinder features a 1.250 inch bore size, which is critical for maintaining proper hydraulic pressure within the brake system. Its iron construction offers strength and resistance to wear, making it suitable for vehicles requiring reliable brake hydraulics. The unit includes two mounting holes, each with a diameter of 0.438 inches, allowing for a secure and stable fit during installation. Additionally, the master cylinder has two ports, with the primary port threaded at 1/8"-27 NPSF, facilitating proper brake line connections.

About the Element3; New Product Line

The Element3; New line by Raybestos focuses on delivering brake hydraulic components that meet or exceed OEM standards. This product line emphasizes durability and precision engineering, ensuring that parts like the MC4355 master cylinder provide consistent braking performance and long service life. The Element3; New series is designed to support a wide range of vehicle makes and models, offering reliable replacements for critical brake system components.

Common Applications and Problem Resolution

• Restores proper brake pedal feel and hydraulic pressure
• Replaces worn or leaking master cylinders causing brake fluid loss
• Addresses spongy or unresponsive brake pedal issues
• Eliminates brake system leaks from damaged ports or seals
• Supports brake system rebuilds requiring precise bore sizing

Installation Notes and Tips

• Ensure mounting holes align with vehicle brake booster or firewall mounts
• Use correct torque specifications on mounting bolts to avoid distortion
• Bleed brake system thoroughly after installation to remove air
• Verify port thread compatibility with brake lines before assembly
• Inspect brake fluid condition and replace if contaminated during installation

Quality Assurance and Warranty

Raybestos manufactures the MC4355 master cylinder under strict quality control standards to ensure reliable performance. The iron material and precise bore sizing contribute to the part's durability and consistent operation. While specific warranty details may vary, Raybestos products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation for exact warranty terms.