Brake Master Cylinder for Classic GM Applications

The Dynamite Friction DFC Brake Master Cylinder, part number 355-46007, is a direct-fit brake hydraulic component for select Cadillac, Buick, and Oldsmobile vehicles. It is built for drivers servicing older disc brake systems that require a replacement master cylinder with the correct fitment and hydraulic function.

Key Features

• Brake master cylinder for brake hydraulic service
• DFC Brake Master Cylinder product line
• Part number 355-46007 for easy identification
• Fits select 1986-1993 Cadillac, Buick, and Oldsmobile models
• Application-specific fitment for classic GM brake systems

Vehicle Fitment

• Fits 1992-1993 Cadillac DeVille, N/A, Heavy Duty - for disc brake pad set; DFC Brake Master Cylinder
• Fits 1990 Cadillac DeVille, N/A, Heavy Duty - for disc brake pad set; DFC Brake Master Cylinder
• Fits 1991-1992 Cadillac Fleetwood, N/A, Heavy Duty - for disc brake pad set; DFC Brake Master Cylinder
• Fits 1991 Cadillac DeVille, N/A, Except ABS; DFC Brake Master Cylinder
• Fits 1988-1990 Buick Reatta, N/A, DFC Brake Master Cylinder
• Fits 1986-1990 Buick Riviera, N/A, DFC Brake Master Cylinder
• Fits 1986-1990 Cadillac Eldorado, N/A, DFC Brake Master Cylinder
• Fits 1986-1990 Cadillac Seville, N/A, DFC Brake Master Cylinder
• Fits 1986-1990 Oldsmobile Toronado, N/A, DFC Brake Master Cylinder

What It Is Used For

• Replacing a worn or leaking brake master cylinder
• Restoring brake pedal pressure and hydraulic response
• Addressing soft, sinking, or inconsistent brake pedal feel
• Supporting brake system repair on classic Cadillac DeVille and Fleetwood models
• Servicing Buick Riviera, Buick Reatta, Cadillac Eldorado, Cadillac Seville, and Oldsmobile Toronado brake hydraulics

Installation Notes and Tips

Confirm the vehicle’s brake system configuration before ordering, especially on 1991 Cadillac DeVille applications noted as except ABS. Match the part number 355-46007 to the vehicle’s year, make, and model, and verify all hydraulic connections and brake system condition during installation. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

Dynamite Friction’s DFC Brake Master Cylinder line is cataloged for specific vehicle applications to support accurate brake service on classic GM platforms. Use the confirmed fitment list to verify compatibility before installation.