Dorman M390290 Brake Master Cylinder

Reliable Brake Master Cylinder for Toyota Celica

The Dorman M390290 brake master cylinder is designed specifically for Toyota Celica models, providing precise hydraulic control for your vehicle's braking system. Crafted from durable aluminum, this master cylinder includes a reservoir and sensor to ensure optimal performance and safety.

• Master cylinder bore diameter: 0.938 inches for accurate hydraulic pressure
• Constructed from lightweight, corrosion-resistant aluminum
• Includes reservoir for fluid storage and sensor for system monitoring
• Two outlets with rearward outlet size M10 x 1.0 and secondary outlet thread diameter 10 mm
• Thread pitch of 1.0 for secure fitting
• Package contains the master cylinder unit; mounting hardware not included

Product Details and Specifications

The Dorman M390290 brake master cylinder is engineered to meet the hydraulic requirements of Toyota Celica vehicles. Its 0.938-inch bore diameter ensures consistent brake fluid pressure, contributing to reliable braking response. The aluminum construction offers a balance of strength and corrosion resistance, extending the part's service life. This master cylinder comes with an integrated reservoir and sensor, allowing for fluid level monitoring and system diagnostics. Featuring two outlets, including a rearward outlet sized M10 x 1.0 and a secondary outlet with a 10 mm thread diameter, it supports proper brake line connections. The thread pitch of 1.0 ensures compatibility with OEM fittings. Note that mounting hardware is not included with this part.

Compatible Vehicles and Applications

• Designed for Toyota Celica models requiring a 0.938-inch bore diameter brake master cylinder
• Ideal replacement for worn or leaking master cylinders in Toyota Celica brake hydraulics
• Addresses issues such as brake fluid leaks, spongy brake pedal feel, and inconsistent braking pressure
• Restores proper brake fluid distribution to front and rear brake circuits

Installation Notes and Tips

When installing the Dorman M390290 brake master cylinder on a Toyota Celica, ensure the brake fluid reservoir is properly filled and free of contaminants. Bleed the brake system thoroughly to remove air and verify sensor connections for accurate fluid level monitoring. Since mounting hardware is not included, retain or source OEM hardware for secure installation. Follow manufacturer torque specifications for outlet fittings to prevent leaks.

Quality Assurance and Warranty

Dorman manufactures the M390290 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and integrated sensor contribute to reliable operation within the Toyota Celica brake system. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.