Dorman M134427 Brake Master Cylinder

Overview of the Dorman Brake Master Cylinder M134427

The Dorman Brake Master Cylinder M134427 is designed specifically for Lexus SC300 and SC400 models, providing reliable brake hydraulics performance. This master cylinder features an aluminum construction and includes a reservoir and sensor for enhanced functionality.

• Master cylinder bore diameter: 1.063 inches
• Constructed from durable aluminum material
• Includes reservoir for brake fluid
• Equipped with a sensor for monitoring
• 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

Detailed Product Description

The Dorman M134427 brake master cylinder is engineered to meet the specific hydraulic requirements of Lexus SC300 and SC400 vehicles. Its aluminum body offers corrosion resistance and strength, ensuring long-term durability under demanding braking conditions. The included reservoir simplifies installation and maintenance by providing a ready-to-use brake fluid container. Additionally, the integrated sensor allows for accurate monitoring of brake system status, which is critical for vehicle safety systems. The master cylinder 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 proper brake line connections.

Common Applications and Problem Resolution

• Restores proper brake fluid pressure in Lexus SC300 and SC400 models
• Replaces worn or leaking master cylinders causing brake pedal issues
• Addresses brake fluid reservoir leaks or damage
• Resolves sensor-related brake warning light problems
• Improves brake system responsiveness and safety

Installation Notes and Tips

• Ensure compatibility with Lexus SC300 and SC400 before installation
• Brake system should be properly bled after installation to remove air
• Mounting hardware is not included; reuse existing hardware or acquire separately
• Handle brake fluid carefully to avoid contamination or damage to painted surfaces
• Verify sensor connections for proper brake system monitoring

Quality Assurance and Warranty

Dorman manufactures the M134427 brake master cylinder to meet or exceed OEM specifications for fit, form, and function. The aluminum construction and integrated sensor contribute to reliable brake system performance. While specific warranty details should be confirmed at the time of purchase, Dorman typically offers limited warranties covering defects in materials and workmanship.