Dynamic Friction 355-45010 Brake Master Cylinder

Brake Master Cylinder for GM Full-Size Applications

The Dynamic Friction DFC Brake Master Cylinder, part number 355-45010, is a direct-fit hydraulic brake component for select Buick, Oldsmobile, Pontiac, and Cadillac vehicles. It is built for applications that require a standard brake master cylinder with the correct outlet-port configuration and fitment-specific coverage.

Key Features

• Brake master cylinder for hydraulic brake system service
• DFC Brake Master Cylinder product line from Dynamic Friction
• Part number 355-45010 for fitment-specific lookup
• Standard configuration for listed GM applications
• Fits vehicles with rear disc brakes where noted
• Two outlet ports on listed Cadillac DeVille applications

Fitment Coverage

• Fits 1995-1999 Buick Riviera, N/A
• Fits 1995-1999 Oldsmobile Aurora, N/A
• Fits 1997-1998 Oldsmobile Regency, N/A; fits vehicles equipped with rear disc brakes
• Fits 1991-1995 Buick LeSabre, N/A
• Fits 1991-1995 Buick Park Avenue, N/A
• Fits 1992-1995 Oldsmobile 88, N/A
• Fits 1991-1995 Oldsmobile 98, N/A
• Fits 1991-1995 Pontiac Bonneville, N/A
• Fits 1992-1993 Cadillac DeVille, N/A; standard; 2 outlet ports
• Fits 1991-1992 Cadillac Fleetwood, N/A; standard
• Fits 1991 Cadillac DeVille, N/A; standard
• Fits 1991 Oldsmobile Delta 88, N/A

What This Part Helps Address

• Brake pedal travel that feels excessive or inconsistent
• Loss of hydraulic pressure in the brake system
• External fluid leakage at the master cylinder
• Brake warning light concerns tied to hydraulic performance
• Service replacement needs on aging Buick, Oldsmobile, Pontiac, and Cadillac brake systems

Installation Notes

Verify the vehicle’s year, make, model, and brake configuration before installation. Confirm the outlet-port layout and rear disc brake application where listed, especially on 1997-1998 Oldsmobile Regency and 1992-1993 Cadillac DeVille models. Bench bleeding and a complete brake system bleed are standard service steps after master cylinder replacement. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

Dynamic Friction’s DFC Brake Master Cylinder line is cataloged for direct application matching on the listed GM vehicles. Part number 355-45010 is identified for the specified Buick, Oldsmobile, Pontiac, and Cadillac fitments, including standard and two-outlet-port configurations where noted.