Dorman M134479 Brake Master Cylinder

Reliable Brake Master Cylinder for Nissan Frontier

The Dorman M134479 brake master cylinder is designed specifically for Nissan Frontier models, providing precise hydraulic control for your vehicle's braking system. This aluminum master cylinder includes a reservoir and sensor, ensuring compatibility and performance for your brake hydraulics needs.

• Master cylinder bore diameter: 1 inch
• Constructed from durable aluminum material
• Includes reservoir for fluid storage
• Equipped with sensor for brake system monitoring
• Two outlet ports with secondary outlet thread diameter of 10 mm
• Rearward outlet size: M10 x 1.0 with 1.0 thread pitch
• Package contains the master cylinder only; mounting hardware not included

Product Details and Specifications

The Dorman M134479 brake master cylinder is engineered with a 1-inch bore diameter to provide consistent hydraulic pressure for the Nissan Frontier's braking system. Its aluminum construction offers corrosion resistance and long-term durability. The included reservoir allows for proper brake fluid containment, while the integrated sensor supports brake system diagnostics and safety features. Featuring two outlets, this master cylinder accommodates the necessary brake line connections with a secondary outlet thread diameter of 10 mm and a rearward outlet size of M10 x 1.0, ensuring precise fitment and secure connections.

Compatible Nissan Frontier Brake System Applications

This brake master cylinder is compatible with Nissan Frontier models requiring a 1-inch bore diameter master cylinder with sensor and reservoir included. It is designed to replace OEM part numbers with similar specifications, making it suitable for brake system repairs or upgrades on Nissan Frontier vehicles.

• Restores proper brake pedal feel and hydraulic pressure
• Resolves brake fluid leaks from the master cylinder
• Addresses brake warning light issues related to sensor failure
• Fixes inconsistent braking performance or pedal sinking
• Replaces worn or damaged master cylinder components

Installation Notes and Tips

Installation of the Dorman M134479 brake master cylinder requires basic mechanical skills and proper brake system knowledge. Ensure the brake fluid reservoir is filled with the correct fluid type and bleed the brake system thoroughly after installation to remove air. Note that mounting hardware is not included, so retain original hardware or acquire compatible fasteners. Verify thread pitch and outlet sizes to match existing brake lines for a secure fit.

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 operation. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.