Dorman M630092 Brake Master Cylinder

Reliable Brake Master Cylinder for Nissan and Infiniti Vehicles

The Dorman M630092 Brake Master Cylinder is engineered to restore proper brake hydraulics in select Nissan and Infiniti models. Designed with precision, this master cylinder ensures consistent brake fluid pressure for safe and effective braking performance.

• Master cylinder bore diameter: 0.938 inches for accurate fluid displacement
• Constructed from durable aluminum material for corrosion resistance
• Includes reservoir and sensor for integrated brake system functionality
• Features two outlets with a rearward outlet size of M10 x 1.0 and thread pitch of 1.0
• Compatible with Nissan Maxima, Infiniti I30, and Infiniti I35 models

Product Details and Specifications

The Dorman M630092 brake master cylinder is crafted from aluminum, providing a lightweight yet sturdy component that resists corrosion and wear. Its 0.938-inch bore diameter is designed to match OEM specifications, ensuring proper hydraulic pressure and brake pedal feel. This unit includes a reservoir and sensor, which are essential for monitoring brake fluid levels and maintaining system integrity. The master cylinder features two outlets, including a rearward outlet with a thread size of M10 x 1.0 and a thread pitch of 1.0, allowing for secure and leak-free connections within the brake hydraulic system. Note that mounting hardware is not included with this part.

Compatible Vehicles and Applications

This brake master cylinder is compatible with the following vehicles:

• Nissan Maxima (various model years)
• Infiniti I30
• Infiniti I35

It is designed to meet the specific hydraulic requirements of these models, making it a suitable replacement part for brake system repairs or upgrades.

Common Issues Addressed by This Master Cylinder

• Brake pedal sinking or sponginess due to internal leaks
• Brake fluid leaks around the master cylinder area
• Reduced braking efficiency or inconsistent brake pressure
• Warning lights triggered by faulty brake fluid sensors
• Brake system failure caused by worn or damaged master cylinder components

Installation Notes and Tips

• Ensure the brake system is properly bled after installation to remove air pockets
• Verify compatibility with your specific Nissan or Infiniti model before purchase
• Use appropriate tools to avoid damaging the aluminum housing or sensor connections
• Check all hydraulic line fittings for secure attachment and proper thread engagement
• Replace mounting hardware if necessary, as it is not included with this part

Quality Assurance and Warranty Information

Dorman manufactures this brake master cylinder to meet or exceed OEM standards for fit, form, and function. The part number M630092 undergoes rigorous quality control to ensure reliability and durability in demanding brake system applications. While mounting hardware is not included, the integrated reservoir and sensor provide a comprehensive solution for brake hydraulics. Please refer to Dorman's warranty policy for specific coverage details.