Dorman M390143 Brake Master Cylinder

Overview of Dorman Brake Master Cylinder M390143

The Dorman Brake Master Cylinder M390143 is designed specifically for Toyota Corolla models, providing reliable brake hydraulics performance. Crafted from aluminum, this master cylinder offers durability and precision for your vehicle's braking system.

• Compatible with Toyota Corolla models
• Master cylinder bore diameter: 0.875 inches
• Constructed from durable aluminum material
• Includes two outlets with rearward outlet size M10 x 1.0
• Secondary outlet thread diameter of 10 mm with 1.0 thread pitch
• Does not include mounting hardware or reservoir
• Package contains the master cylinder only

Detailed Product Description

The Dorman M390143 brake master cylinder is engineered to meet the specific hydraulic requirements of Toyota Corolla vehicles. Its aluminum construction ensures resistance to corrosion and long-lasting service life. The master cylinder features a bore diameter of 0.875 inches, which is critical for maintaining proper hydraulic pressure within the brake system. It includes two outlets, with the rearward outlet sized at M10 x 1.0 and a secondary outlet thread diameter of 10 mm, both with a thread pitch of 1.0, ensuring compatibility with the vehicle's brake lines. This part does not come with a reservoir or mounting hardware, so those components must be sourced separately if needed.

Common Applications and Issues Addressed

• Replacement for worn or leaking brake master cylinders on Toyota Corolla
• Restores proper hydraulic pressure for consistent brake pedal feel
• Resolves brake fluid leaks caused by damaged or corroded master cylinders
• Addresses spongy or unresponsive brake pedal issues
• Prevents brake system failure due to master cylinder malfunction

Installation Notes and Tips

• Ensure compatibility with your specific Toyota Corolla model year before installation
• Brake fluid reservoir and mounting hardware are not included and must be installed separately
• Bleed the brake system thoroughly after installation to remove air and ensure proper function
• Use appropriate tools to avoid damaging the aluminum body or outlet threads
• Consult a professional mechanic if unsure about installation procedures

Quality Assurance and Warranty

Dorman manufactures the M390143 brake master cylinder to meet or exceed OEM specifications for Toyota Corolla vehicles. The aluminum construction provides corrosion resistance and durability under normal operating conditions. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship. Refer to Dorman's official warranty policy for complete information.