Dorman M390029 Brake Master Cylinder

Overview of the Dorman Brake Master Cylinder for Toyota Paseo

The Dorman M390029 brake master cylinder is designed specifically for Toyota Paseo models, providing reliable brake hydraulics performance. This aluminum master cylinder includes a reservoir and sensor, ensuring compatibility and functionality for your vehicle's braking system.

• Master cylinder bore diameter: 0.875 inches
• Constructed from durable aluminum material
• Includes reservoir for fluid storage
• Equipped with a sensor for monitoring brake system status
• Two outlet ports with rearward outlet size M10 x 1.0 and thread pitch 1.0
• Secondary outlet thread diameter of 10 mm
• Mounting hardware not included

Detailed Product Description

The Dorman M390029 brake master cylinder is engineered to meet the specifications required for Toyota Paseo vehicles. Its 0.875-inch bore diameter ensures proper hydraulic pressure for effective braking. Made from aluminum, this master cylinder offers corrosion resistance and long-term durability. The included reservoir allows for brake fluid storage, while the integrated sensor provides real-time monitoring of brake fluid levels or system status. Featuring two outlets, including a rearward outlet sized M10 x 1.0 with a 1.0 thread pitch, this part supports precise brake line connections. Note that mounting hardware is not included, so ensure you have the necessary components for installation.

Common Applications and Issues Addressed

• Replacement for worn or leaking brake master cylinders on Toyota Paseo
• Restores proper hydraulic pressure for consistent brake pedal feel
• Resolves brake fluid leaks caused by damaged reservoirs or seals
• Addresses brake warning light activation due to sensor failure
• Improves overall brake system reliability and safety

Installation Notes and Tips

• Verify compatibility with Toyota Paseo before installation
• Bleed the brake system thoroughly after installation to remove air
• Use appropriate brake fluid as specified by the vehicle manufacturer
• Check all connections for proper thread engagement, especially M10 x 1.0 outlets
• Ensure sensor wiring is correctly connected to maintain brake system monitoring

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The M390029 brake master cylinder undergoes quality inspections to ensure reliable performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation for exact warranty terms.