Dynamite Friction 355-47026 Brake Master Cylinder

Brake Master Cylinder for Classic GM A-Body Applications

The Dynamite Friction DFC Brake Master Cylinder, part number 355-47026, is a direct-fit hydraulic replacement for select late-1970s Pontiac, Buick, and Chevrolet vehicles. It is built for manual brake applications where consistent pedal response and dependable brake pressure are critical.

Key Features

• DFC Brake Master Cylinder from Dynamite Friction
• Part number 355-47026
• Replacement brake master cylinder for brake hydraulic service
• Compatible with manual brake applications listed below
• Fits select Pontiac Grand Am, Grand LeMans, LeMans, Sunbird, and Grand Prix models
• Fits select Buick Century and Regal models
• Fits select Chevrolet El Camino, Malibu, and Monte Carlo models

Fitment Details

• Fits 1978-1980 Pontiac Grand Am, N/A; manual brakes noted for some applications.
• Fits 1978-1980 Pontiac Grand LeMans, N/A.
• Fits 1978-1980 Pontiac LeMans, N/A.
• Fits 1976-1980 Pontiac Sunbird, N/A.
• Fits 1978-1979 Buick Century, N/A; manual brakes noted for some applications.
• Fits 1978-1979 Buick Regal, N/A; manual brakes noted for some applications.
• Fits 1978-1979 Chevrolet El Camino, N/A.
• Fits 1978-1979 Chevrolet Malibu, N/A; manual brakes noted for some applications.
• Fits 1978-1979 Chevrolet Monte Carlo, N/A; manual brakes noted for some applications.
• Fits 1978-1979 Pontiac Grand Prix, N/A; manual brakes noted for some applications.

What This Part Helps Address

• Low or inconsistent brake pedal pressure
• Internal master cylinder leakage
• Brake fluid bypass causing poor hydraulic performance
• Soft or sinking pedal feel
• Restoration or maintenance of original brake hydraulic function

Installation Notes and Tips

Verify the vehicle’s brake system configuration before ordering, especially on manual brake applications. Confirm the bore, mounting style, and line connection layout against the original unit on your Pontiac, Buick, or Chevrolet before installation. After installation, bleed the brake system thoroughly and inspect all hydraulic connections for leaks.

Quality Assurance

Dynamite Friction DFC Brake Master Cylinder 355-47026 is cataloged for the listed vehicle applications and brake system configurations. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.