Centric 130.63033 Brake Master Cylinder

Reliable Brake Master Cylinder for Jeep CJ5, CJ7, and Scrambler

The Centric Premium Brake Master Cylinder 130.63033 is engineered to restore precise brake control for Jeep CJ5, CJ7, and Scrambler models. Designed with durable cast iron construction and a single integral reservoir, this master cylinder ensures consistent hydraulic pressure and reliable braking performance.

• Cast iron reservoir and master cylinder for durability
• Includes dust boot, push rod, reservoir, and master cylinder cap
• Two mounting holes with a bore diameter of 0.938 inches (23.813 mm)
• Primary and secondary outlet thread sizes: 1/2"-20 and 9/16"-20 inverted flare
• Compatible with Jeep CJ5, CJ7, and Scrambler brake hydraulic systems

About Centric Premium Brake Master Cylinders

The Centric Premium Brake Master Cylinders line focuses on delivering high-quality brake hydraulics components that meet or exceed OEM specifications. This product line emphasizes durable materials like cast iron and precise bore sizing to ensure consistent brake fluid pressure and long service life. The 130.63033 master cylinder is part of this line, offering a reliable replacement option for Jeep brake systems requiring a single integral reservoir design.

Product Details and Specifications

This brake master cylinder features a straight bore type with a 0.938 inch (23.813 mm) bore diameter, providing accurate hydraulic pressure for effective braking. The unit includes a cast iron reservoir and master cylinder body, enhancing strength and resistance to wear. It comes equipped with a dust boot, push rod, and master cylinder cap to protect internal components and maintain system integrity. The two mounting holes allow secure installation, while the primary and secondary outlet ports use inverted flare fittings with thread sizes of 1/2"-20 and 9/16"-20 respectively, compatible with standard brake lines.

Common Applications and Problem Solving

• Restores brake fluid pressure in Jeep CJ5, CJ7, and Scrambler models
• Replaces worn or leaking master cylinders causing brake pedal sponginess
• Addresses brake fluid reservoir leaks with an integral reservoir design
• Improves brake system reliability by replacing corroded or damaged cast iron components
• Solves issues related to inconsistent brake pedal feel or poor stopping power

Installation Notes and Tips

Ensure the brake system is properly bled after installation to remove air and maintain hydraulic integrity. This master cylinder does not include mounting hardware or brake booster, so verify compatibility with existing components. Use appropriate inverted flare brake lines matching the 1/2"-20 and 9/16"-20 thread sizes for secure connections. Inspect dust boot and push rod during installation to confirm proper fit and function.

Quality Assurance and Warranty

Centric Premium Brake Master Cylinders are manufactured to meet strict quality standards, using cast iron materials for durability and performance. The 130.63033 part number undergoes rigorous testing to ensure reliable operation in Jeep CJ5, CJ7, and Scrambler brake systems. Warranty coverage details should be confirmed with the product documentation or manufacturer.