Dorman - First Stop Brake Master Cylinder Precision-Engineered for 1966-60 Chevrolet and GMC M34403

Brake Master Cylinder for 1966-60 Chevrolet and GMC by Dorman - First Stop used to replace worn or failing factory master cylinders.

Built to meet the manufacturer’s design intent for reliable service.

Key Features

• Precision-engineered to match original design, function, and performance
• Made of high-quality materials for durable replacement
• Meets rigorous SAE International standards

Benefits

• Reliable braking performance for classic vehicles
• Durable replacement reduces risk of failure
• Easy OEM fitment for smooth installation
• Long-lasting service with proven aftermarket solution

Application

This part is ideal for owners restoring classic Chevy or GMC trucks from the late 1960s, ensuring safe and dependable braking.

Fitment Notes

• Fits Chevrolet and GMC models from 1966 to 1960

Why Choose Dorman - First Stop?

• Choosing Dorman aftermarket replacement parts is a smart way to restore your vehicle with confidence, thanks to a strong focus on fit, durability, and dependable performance. Dorman parts are engineered as direct-fit replacements designed to match OE form, fit, and function, helping ensure a smoother installation and reliable results. Built with quality materials and validated through testing, they’re made to stand up to daily driving demands and help reduce the risk of repeat repairs. For a long-lasting fix you can trust, Dorman delivers proven aftermarket solutions that keep your vehicle operating the way it should.

What’s in the Box

• Included items not specified by the manufacturer.

Item Dimensions

• 8.4in x 7.0in x 4.3in, 5.0lbs