Dorman M39228 Brake Master Cylinder

Reliable Brake Master Cylinder for Precise Hydraulic Control

The Dorman M39228 Brake Master Cylinder is engineered to deliver consistent brake fluid pressure for safe and effective braking performance. Designed with an aluminum body and an integrated reservoir, this master cylinder supports reliable operation in various vehicle brake systems.

• Master cylinder bore diameter: 0.75 inches for accurate hydraulic pressure
• Constructed from durable aluminum material for corrosion resistance
• Includes an integrated reservoir for brake fluid storage
• Two outlet ports with rearward outlet size M10 x 1.0 and 10mm secondary outlet thread diameter
• Thread pitch of 1.0 ensures secure fitting to brake lines

Detailed Product Description

The Dorman M39228 brake master cylinder is designed to replace the original equipment part in compatible vehicles, providing precise hydraulic pressure to the brake system. Its aluminum construction offers strength and resistance to corrosion, extending the service life of the component. The 0.75-inch bore diameter is optimized for consistent fluid displacement, while the included reservoir simplifies brake fluid management. Featuring two outlets, including a rearward outlet sized M10 x 1.0, this master cylinder supports dual-circuit brake systems commonly found in many passenger cars and light trucks.

Common Applications and Problem Resolution

• Restores proper brake pedal feel and responsiveness
• Eliminates brake fluid leaks caused by worn or damaged master cylinders
• Resolves inconsistent brake pressure and spongy pedal issues
• Addresses brake system failure due to internal seal wear
• Supports vehicles requiring a 0.75-inch bore diameter master cylinder

Installation Notes and Tips

Installation of the Dorman M39228 master cylinder requires proper brake system bleeding to remove air and ensure optimal hydraulic performance. Verify compatibility with your vehicle’s make and model before installation. Since mounting hardware is not included, retain original fasteners or source appropriate replacements. Use thread sealant or tape as recommended for the M10 x 1.0 outlet fittings to prevent leaks.

Quality Assurance and Warranty

Dorman manufactures the M39228 master cylinder to meet or exceed OEM specifications, ensuring reliable performance and durability. While specific warranty details vary, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.