Dorman M390351 Brake Master Cylinder

Overview of Dorman Brake Master Cylinder for Toyota RAV4

The Dorman M390351 brake master cylinder is designed specifically for Toyota RAV4 models, providing reliable brake hydraulics performance. This aluminum master cylinder includes a reservoir and features precise bore and outlet specifications to ensure proper fit and function.

• Master cylinder bore diameter: 0.875 inches
• Constructed from durable aluminum material
• Includes reservoir for brake fluid
• Two outlets with rearward outlet size M10 x 1.0 and thread pitch 1.0
• Secondary outlet thread diameter: 10 mm
• Mounting hardware not included
• Part number: M390351

Detailed Product Description

The Dorman M390351 brake master cylinder is engineered to meet the hydraulic braking needs of Toyota RAV4 vehicles. Its aluminum construction offers corrosion resistance and strength, while the 0.875-inch bore diameter ensures proper hydraulic pressure for effective braking. The included reservoir simplifies installation and maintenance by providing an integrated fluid storage solution. Featuring two outlets, including a rearward outlet sized M10 x 1.0 with a 1.0 thread pitch, this master cylinder supports the brake line connections required for the RAV4's braking system. Note that mounting hardware is not included, so ensure compatibility with existing components during installation.

Common Applications and Issues Addressed

• Replacement for worn or leaking brake master cylinders on Toyota RAV4
• Resolves brake fluid leaks affecting hydraulic pressure
• Addresses spongy or unresponsive brake pedal feel
• Restores proper brake fluid reservoir function
• Corrects issues related to master cylinder bore wear or damage

Installation Notes and Tips

• Verify compatibility with your Toyota RAV4 model year before installation
• Bleed the brake system thoroughly after installation to remove air
• Use appropriate brake fluid as specified by the vehicle manufacturer
• Inspect brake lines and fittings for wear or damage during replacement
• Mounting hardware is not included; reuse existing hardware or source separately

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The M390351 brake master cylinder undergoes quality checks to ensure durability and performance in brake hydraulic systems. Warranty coverage details should be confirmed through the product documentation or supplier.