Dorman M39333 Brake Master Cylinder

Reliable Brake Master Cylinder for Chevrolet LUV and Isuzu Pickup

The Dorman M39333 brake master cylinder is engineered to restore proper brake hydraulics in Chevrolet LUV and Isuzu Pickup models. Designed with durable aluminum construction and a built-in reservoir, this master cylinder ensures consistent brake fluid pressure for safe stopping performance.

• Master cylinder bore diameter: 0.875 inches for precise hydraulic control
• Constructed from lightweight, corrosion-resistant aluminum
• Includes reservoir for brake fluid storage
• Two outlet ports 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 M39333 brake master cylinder features a 0.875-inch bore diameter, which is critical for maintaining the correct hydraulic pressure in the brake system of Chevrolet LUV and Isuzu Pickup vehicles. Its aluminum material offers a balance of strength and corrosion resistance, extending the service life of the component. The integrated reservoir simplifies installation and maintenance by providing a dedicated space for brake fluid. This master cylinder includes two outlets, with a rearward outlet thread size of M10 x 1.0 and a secondary outlet thread diameter of 10 mm, ensuring compatibility with the brake lines on the specified vehicle models.

Compatible Vehicles and Applications

• Chevrolet LUV brake hydraulic system replacement
• Isuzu Pickup brake master cylinder repair
• Restores brake fluid pressure and pedal feel
• Addresses brake fluid leaks and master cylinder failure symptoms
• Suitable for vehicles requiring a 0.875-inch bore diameter master cylinder

Installation Notes and Tips

When installing the Dorman M39333 brake master cylinder, ensure the brake fluid reservoir is properly filled and free of contaminants. Bleed the brake system thoroughly to remove air pockets and verify that all connections use the correct thread pitch of 1.0 to prevent leaks. Since mounting hardware is not included, retain or source compatible fasteners for secure installation. Follow vehicle-specific service manuals for torque specifications and safety precautions.

Quality Assurance and Warranty

Dorman manufactures the M39333 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and precise machining contribute to reliable brake system performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on their brake hydraulics components to cover defects in materials and workmanship.