Dorman M630817 Brake Master Cylinder

Reliable Brake Master Cylinder for Fiat 500

The Dorman M630817 brake master cylinder is engineered to restore proper brake hydraulics in your Fiat 500. Crafted from durable aluminum, this master cylinder offers consistent performance and precise fitment for your vehicle's braking system.

• Compatible with Fiat 500 models
• Constructed from high-quality aluminum for strength and corrosion resistance
• Master cylinder bore diameter of 0.875 inches for accurate hydraulic pressure
• Includes two outlets with M10 x 1.0 thread size for primary and secondary connections
• Does not include reservoir or mounting hardware

Product Details and Specifications

The Dorman M630817 brake master cylinder features a robust aluminum body designed to withstand the demands of brake hydraulics. Its 0.875-inch bore diameter ensures proper fluid displacement and pressure generation within the braking system. The unit includes two outlets, both with M10 x 1.0 thread pitch, facilitating secure and leak-free connections to the brake lines. This master cylinder is supplied without a reservoir or mounting hardware, allowing for direct replacement of the core component in the Fiat 500 brake system.

Applications and Problem Resolution

• Restores brake pressure loss due to worn or damaged master cylinder
• Eliminates spongy or unresponsive brake pedal feel
• Addresses internal leaks within the brake master cylinder
• Replaces corroded or cracked aluminum master cylinders
• Ensures proper hydraulic function for safe braking performance

Installation Notes and Tips

When installing the Dorman M630817 master cylinder on your Fiat 500, ensure the brake system is properly bled to remove air pockets. Since mounting hardware and reservoir are not included, reuse existing components or source compatible parts as needed. Verify thread sizes (M10 x 1.0) for brake line fittings to ensure a secure connection. Follow manufacturer torque specifications to avoid damage during installation.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM standards for fit and function. The aluminum construction provides durability and resistance to corrosion. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation for exact warranty terms.