Dorman M390030 Brake Master Cylinder

Reliable Brake Master Cylinder for Toyota Paseo and Tercel

The Dorman M390030 brake master cylinder is engineered to restore proper brake hydraulics for Toyota Paseo and Tercel models. Designed with precision, this aluminum master cylinder includes a reservoir and sensor to ensure consistent brake performance.

• Compatible with Toyota Paseo and Tercel vehicles
• Master cylinder bore diameter of 0.813 inches for accurate hydraulic pressure
• Durable aluminum construction for corrosion resistance
• Includes reservoir and sensor for integrated brake system monitoring
• Two outlets with rearward outlet size M10 x 1.0 and thread pitch 1.0
• Secondary outlet thread diameter of 10 mm
• Mounting hardware not included

Product Details and Specifications

The Dorman M390030 brake master cylinder is crafted from aluminum, providing a lightweight yet durable component for your Toyota Paseo or Tercel. The master cylinder features a bore diameter of 0.813 inches, which is critical for maintaining proper hydraulic pressure within the brake system. This unit comes with an integrated reservoir and sensor, allowing for real-time monitoring of brake fluid levels and system status. It has two outlets, including a rearward outlet sized M10 x 1.0 with a thread pitch of 1.0, and a secondary outlet thread diameter of 10 mm, ensuring compatibility with the vehicle's brake lines. Note that mounting hardware is not included with this part.

Common Applications and Problem Resolution

• Restores brake hydraulic pressure for Toyota Paseo and Tercel models
• Replaces leaking or damaged master cylinders causing brake fluid loss
• Addresses spongy or unresponsive brake pedal issues
• Fixes brake warning light activation due to sensor faults
• Improves overall brake system reliability and safety

Installation Notes and Tips

When installing the Dorman M390030 brake master cylinder, ensure the brake fluid reservoir is properly filled and free of contaminants. Bleed the brake system thoroughly to remove air pockets and verify that the sensor connections are secure for accurate brake fluid level monitoring. Since mounting hardware is not included, retain or source the appropriate fasteners for your Toyota Paseo or Tercel. Follow manufacturer torque specifications to avoid leaks or damage.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction offers corrosion resistance and durability under normal operating conditions. This part includes a sensor to maintain system integrity and safety. Warranty coverage details should be confirmed with the product documentation or supplier.