Dorman M134475 Brake Master Cylinder

Reliable Brake Master Cylinder for Nissan Frontier

The Dorman M134475 brake master cylinder is engineered to restore proper brake hydraulics for Nissan Frontier models. Designed with precision, this aluminum master cylinder includes a reservoir and sensor to ensure consistent brake performance and safety.

• Master cylinder bore diameter: 1 inch for accurate hydraulic pressure
• Constructed from durable aluminum material
• Includes reservoir for fluid storage
• Equipped with a sensor for 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
• Package contains the master cylinder only; mounting hardware not included

Product Details and Specifications

The Dorman M134475 brake master cylinder is specifically designed for Nissan Frontier vehicles, ensuring compatibility and reliable fitment. Its 1-inch bore diameter provides the necessary hydraulic pressure for effective braking. Made from aluminum, this master cylinder offers corrosion resistance and long service life. The included reservoir allows for proper brake fluid containment, while the integrated sensor supports brake system diagnostics and safety features. The unit features two outlets, including a rearward outlet sized M10 x 1.0 with a 1.0 thread pitch, and a secondary outlet with a 10 mm thread diameter, facilitating straightforward connection to the brake lines.

Common Applications and Problem Resolution

• Restores brake pressure loss due to worn or damaged master cylinder
• Replaces leaking or cracked brake fluid reservoir
• Resolves brake warning light issues related to sensor failure
• Addresses inconsistent brake pedal feel or sponginess
• Fixes brake fluid contamination or internal seal failure

Installation Notes and Tips

Installation of the Dorman M134475 brake master cylinder requires basic mechanical skills and proper brake system knowledge. Since mounting hardware is not included, retain original fasteners or source compatible replacements. Ensure all brake lines are properly connected to the two outlets, matching the M10 x 1.0 rearward outlet and secondary outlet thread sizes. Bleed the brake system thoroughly after installation to remove air and restore optimal brake function. Verify sensor connections to maintain brake system monitoring capabilities.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and integrated sensor contribute to reliable brake system performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on their brake hydraulics products. Consult product documentation or the manufacturer for exact warranty terms.