Dorman M39474 Brake Master Cylinder

Reliable Brake Master Cylinder for Chrysler, Dodge, Mitsubishi, and Plymouth

The Dorman M39474 brake master cylinder is engineered to provide consistent hydraulic pressure for your vehicle's braking system. Designed specifically for Chrysler, Dodge, Mitsubishi, and Plymouth Conquest and Starion models, this master cylinder ensures precise brake control and safety.

• Master cylinder bore diameter: 0.938 inches for accurate hydraulic performance
• Constructed from durable cast iron for long-lasting strength
• Includes two outlets with a rearward outlet size of M10 x 1.0 and a thread pitch of 1.0
• Does not include mounting hardware or reservoir, allowing compatibility with existing components
• Secondary outlet thread diameter: 10 mm for secure brake line connections
• Package contains the master cylinder only, part number M39474

Technical Details and Compatibility

The Dorman M39474 brake master cylinder is built with a 0.938-inch bore diameter, providing the necessary hydraulic pressure for effective braking. Its cast iron construction offers durability and resistance to wear under demanding conditions. This master cylinder features two outlets, including a rearward outlet sized M10 x 1.0 with a 1.0 thread pitch, ensuring proper fitment with brake lines. It is designed without a reservoir or mounting hardware, making it compatible with the original components on Chrysler, Dodge, Mitsubishi, and Plymouth Conquest and Starion vehicles. The part number M39474 identifies this specific master cylinder for easy reference and ordering.

Common Applications and Problem Resolution

• Restores proper brake pedal feel and hydraulic pressure
• Replaces leaking or damaged master cylinders causing brake fluid loss
• Addresses spongy or unresponsive brake pedal issues
• Solves brake system failure due to internal cylinder wear
• Ensures safe and reliable braking performance on compatible vehicles

Installation Notes and Tips

Installation of the Dorman M39474 brake master cylinder requires removal of the old unit and proper connection to the brake lines using the specified outlet thread sizes. Since mounting hardware and reservoir are not included, retain or replace these components as needed. Bleed the brake system thoroughly after installation to remove air and ensure optimal hydraulic function. Verify compatibility with Chrysler, Dodge, Mitsubishi, and Plymouth Conquest and Starion models before installation.

Quality Assurance and Warranty Information

Dorman manufactures the M39474 brake master cylinder to meet or exceed OEM specifications for fit, form, and function. The cast iron construction provides durability and resistance to corrosion. While specific warranty details are not provided here, Dorman products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.