Restore dependable hydraulic brake performance with the DFC DFC355-71012 Brake Master Cylinder. Designed for select 1967–1983 Chevrolet and GMC medium-duty applications, this master cylinder is engineered for vehicles equipped with front drum brakes, including C70 and C7D042 configurations. It provides a direct replacement solution for worn, leaking, or damaged original equipment, helping maintain consistent brake pedal response and reliable fluid pressure.
The DFC355-71012 is compatible with a broad range of Chevrolet and GMC models, including 40, 400, 4000, 450, 4500, 5000, 550, 5500, 60, 600, 6000, and 65 Series vehicles, as well as C50, C5D042, C60, C6D042, C70, and C7D042 applications where specified. Always verify the vehicle’s year, series, brake configuration, and original master cylinder specifications before ordering to ensure proper fitment.
Manufactured for automotive replacement use, this DFC master cylinder is built to support dependable braking operation under everyday driving and service conditions. Replacing a compromised master cylinder can help address fluid loss, inconsistent pedal feel, and reduced hydraulic performance. Professional installation and complete brake-system inspection are recommended, including verification of brake fluid compatibility, line connections, mounting points, and proper bleeding after installation. This product may contain chemicals known to the State of California to cause cancer or reproductive harm.
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