Dorman M39575 Brake Master Cylinder

Reliable Brake Master Cylinder for Chevrolet Camaro and Pontiac Firebird

The Dorman M39575 brake master cylinder is engineered to restore proper brake hydraulics for Chevrolet Camaro and Pontiac Firebird models. Designed with durable cast iron construction and precise bore diameters, this master cylinder ensures consistent braking performance.

• Compatible with Chevrolet Camaro and Pontiac Firebird
• Master cylinder bore diameters: 24 mm and 31.6 mm
• Constructed from durable cast iron material
• Includes reservoir for fluid storage
• Two outlet ports with rearward outlet size M11 x 1.5 and secondary outlet thread diameter M12 x 1.0
• Thread pitch of 1.0 for secure fittings
• Mounting hardware not included

Product Details and Specifications

The Dorman M39575 brake master cylinder features dual bore diameters of 24 mm and 31.6 mm, designed to match the hydraulic requirements of specific brake systems in Chevrolet Camaro and Pontiac Firebird vehicles. Its cast iron construction provides strength and resistance to wear, ensuring long-term reliability. The included reservoir allows for proper brake fluid containment, while the two outlet ports facilitate connection to the brake lines with precise thread sizes (M11 x 1.5 rearward outlet and M12 x 1.0 secondary outlet). This master cylinder does not include mounting hardware or sensors, so ensure compatibility with your vehicle’s existing components.

Common Applications and Problem Resolution

• Restores brake pressure and pedal feel in Chevrolet Camaro and Pontiac Firebird
• 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 or corrosion
• Improves overall brake system reliability and safety

Installation Notes and Tips

Installation of the Dorman M39575 brake master cylinder requires careful attention to brake line connections and proper bleeding of the brake system to remove air. Since mounting hardware is not included, reuse existing bolts or acquire compatible fasteners. Verify thread sizes (M11 x 1.5 and M12 x 1.0) for brake line fittings to ensure a secure and leak-free installation. It is recommended to inspect related brake components during installation for optimal system performance.

Quality Assurance and Warranty

Dorman manufactures the M39575 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction and precise machining contribute to dependable brake system operation. While specific warranty details should be confirmed at the point of purchase, Dorman typically offers limited warranties covering defects in materials and workmanship.