Raybestos MC391019 Brake Master Cylinder

Overview of Raybestos Element3; New Brake Master Cylinder MC391019

The Raybestos Element3; New Brake Master Cylinder MC391019 is designed specifically for Kia Rio models, providing reliable brake hydraulics performance. This aluminum master cylinder features precise engineering to ensure consistent braking response and durability.

• Constructed from durable aluminum for corrosion resistance
• Two mounting holes with 0.335-inch diameter for secure installation
• Bore size of 0.875 inches for optimal hydraulic pressure
• Two ports with M10x1 thread size for primary and secondary connections
• Compatible with Kia Rio brake hydraulic systems

Detailed Product Description

The MC391019 brake master cylinder from Raybestos is engineered with an aluminum body to resist corrosion and wear, extending the service life of your Kia Rio's braking system. It features two mounting holes, each with a diameter of 0.335 inches, ensuring a stable and precise fit during installation. The 0.875-inch bore size is designed to deliver consistent hydraulic pressure, which is critical for effective brake operation. Both the primary and secondary ports use M10x1 threading, allowing for secure and leak-free brake line connections.

About the Element3; New Product Line

The Element3; New line by Raybestos focuses on delivering reliable brake hydraulics components with modern materials and precise manufacturing standards. This product line emphasizes durability and fitment accuracy, making it suitable for vehicles like the Kia Rio that require dependable brake master cylinders for safe operation.

Common Applications and Problem Solving

• Replacement for worn or leaking brake master cylinders on Kia Rio models
• Restores proper hydraulic pressure for consistent brake pedal feel
• Addresses brake fluid leaks caused by damaged ports or seals
• Improves brake system reliability after component failure
• Prevents brake system contamination with corrosion-resistant aluminum construction

Installation Notes and Tips

• Ensure compatibility with Kia Rio model year before installation
• Use proper torque specifications on mounting holes (two holes, 0.335-inch diameter)
• Bleed brake system thoroughly after installation to remove air
• Inspect brake lines for damage before reconnecting to M10x1 threaded ports
• Follow vehicle manufacturer guidelines for brake system maintenance

Quality Assurance and Warranty

Raybestos manufactures the MC391019 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and precise machining contribute to long-term durability. Warranty details should be confirmed with the point of purchase or Raybestos directly, as coverage may vary.