Dorman - First Stop Brake Master Cylinder for 1973-1987 Chevrolet GMC M39457

Brake master cylinder for 1973-1987 Chevrolet GMC models by Dorman - First Stop used to replace worn or failing factory cylinders.

Built to meet rigorous SAE International standards with precision engineering and high-quality materials for reliable service.

Key Features

• Precision-engineered design matching original cylinder specifications.
• Compatible with Chevrolet 1973-1987 and GMC 1973-1987 models.
• High-quality materials ensure durability and safety.
• Meets SAE International standards for performance.

Benefits

• Restores braking reliability with a direct-fit replacement.
• Reduces risk of brake failure by matching OEM design.
• Provides peace of mind knowing it meets industry standards.
• Saves time and effort on installation due to exact fit.

Application

This part is for owners of older Chevrolet and GMC vehicles needing a reliable brake master cylinder replacement. Common use cases include replacing worn cylinders, restoring braking performance after accidents or wear, and upgrading to a proven aftermarket solution.

Fitment Notes

• Fits Chevrolet 1973-1987 models.
• Fits GMC 1973-1987 models.

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

• 9.9in x 9.3in x 6.2in, 12.1lbs