Dynamic Friction 355-47145 Brake Master Cylinder

Brake Master Cylinder for Heavy-Duty GM Chassis

The Dynamic Friction DFC Brake Master Cylinder, part number 355-47145, is a direct-fit hydraulic brake component for a wide range of Chevrolet and GMC commercial chassis applications. It is built for vehicles such as the Chevrolet P30 and GMC P3500, including stripped chassis and forward control configurations.

The DFC Brake Master Cylinder line focuses on application-specific replacement parts for brake hydraulic service. This part number 355-47145 is listed across multiple GM medium-duty and heavy-duty platforms, including P30, P3500, C30, C3500, K30, K3500, R30, R3500, V30, and V3500 coverage.

Key Features

• Brake master cylinder for GM brake hydraulic systems
• Fits Chevrolet P30 and GMC P3500 applications with multiple brake and chassis configurations
• Coverage includes forward control stripped chassis, DRW, SRW, hydro boost, and Moraine master cylinder applications
• Application-specific fitment for select Chevrolet and GMC C/K, P, R, and V series vehicles
• Part number 355-47145 for easy catalog matching

Compatible Vehicle Applications

• Fits 1995-1996 Chevrolet P30, DRW; Forward Ctrl Stripped Ch
• Fits 1996 Chevrolet P30, SRW, JB7; 13 x 2 1/2 inch Rear Shoe
• Fits 1995-1996 Chevrolet P30, SRW, JB8; 13 x 3 1/2 inch Rear Shoe; Forward Ctrl Stripped Ch
• Fits 1995-1996 GMC P3500, DRW; Forward Control Stripped Chassis
• Fits 1996 GMC P3500, SRW, JB7; 13 x 2 1/2 inch Rear Shoe
• Fits 1996 GMC P3500, SRW, JB8; 13 x 3 1/2 inch Rear Shoe; Forward Control Stripped Chassis
• Fits 1994-1995 Chevrolet P30, SRW, JB7, JD7; 13 x 2 1/2 inch Rear Shoe
• Fits 1995 GMC P3500, SRW, JB8; 13 x 3 1/2 inch Rear Shoe; Forward Control Stripped Chassis
• Fits 1995 GMC P3500, SRW, JB7 and JD7; 13 x 2 1/2 inch Rear Shoe
• Fits 1985-1994 Chevrolet P30, DRW Brake Hydraulic Hose
• Fits 1991-1994 Chevrolet P30, SRW, JB8; 13 x 3 1/2 inch Rear Shoe
• Fits 1990-1994 GMC P3500, SRW, JB8; 13 x 3 1/2 inch Rear Shoe
• Fits 1991-1994 GMC P3500, DRW Brake Hydraulic Hose
• Fits 1993 Chevrolet P30, SRW, JB7 and JD7; 13 x 2 1/2 inch Rear Shoe; Hydro Boost
• Fits 1993 GMC P3500, SRW; JB7, JD7; 13 x 2 1/2 inch Rear Shoe; Hydro Boost
• Fits 1992 Chevrolet P30, SRW, JB7 and JD7; 13 x 2 1/2 inch Rear Shoe; Hydro Boost; 1 Ball Wire
• Fits 1992 GMC P3500, SRW; JB7, JD7; 13 x 2 1/2 inch Rear Shoe; Hydro Boost; 1 Ball Wire
• Fits 1989-1991 Chevrolet R3500
• Fits 1989-1991 Chevrolet V3500
• Fits 1987-1991 GMC R3500
• Fits 1987-1991 GMC V3500
• Fits 1985-1990 Chevrolet P30, SRW, 3 1/2 inch Rear Shoe; JB8, JD8
• Fits 1990 GMC P3500, DRW; Independent Front Suspension; I-Beam Front Axle
• Fits 1985-1989 GMC P3500, SRW and 3 1/2 inch Rear Shoe; JB8 and JD8
• Fits 1985-1989 GMC P3500, DRW, Independent Front Susp and I-Beam Front Axle
• Fits 1987-1988 Chevrolet R30
• Fits 1987-1988 Chevrolet V30
• Fits 1985-1986 Chevrolet C30
• Fits 1984-1986 Chevrolet K30
• Fits 1985-1986 GMC C3500
• Fits 1984-1986 GMC K3500
• Fits 1981-1984 Chevrolet C30, SRW; Moraine Master Cylinder; 1/4 inch Depth PR; DRW
• Fits 1980-1984 Chevrolet P30, DRW; Moraine Master Cylinder; 1/4 inch Depth PR
• Fits 1980-1984 Chevrolet P30, SRW; 3 1/2 inch Rear Shoe; JB8, JD8; Moraine Master Cylinder; 1/4in Depth PR
• Fits 1981-1984 GMC C3500, Moraine Master Cylinder
• Fits 1980-1984 GMC P3500, SRW and 3 1/2 inch Rear Shoe; JB8, JD8; Moraine Master Cylinder; 1/4 inch Depth PR
• Fits 1980-1984 GMC P3500, DRW; Moraine Master Cylinder; 1/4 inch Depth PR
• Fits 1983 Chevrolet K30, SRW; Moraine Master Cylinder; 1/4 inch Depth PR
• Fits 1983 GMC K3500, Moraine Master Cylinder; 3/4 inch Depth PR

Common Brake Service Uses

• Restoring firm brake pedal feel after master cylinder wear
• Replacing a leaking or internally bypassing brake master cylinder
• Addressing low brake pressure in GM P30 and P3500 hydraulic systems
• Servicing older Chevrolet and GMC chassis with hydro boost or Moraine master cylinder setups
• Correcting brake hydraulic issues on medium-duty stripped chassis and cab chassis vehicles

Installation Notes

Verify the vehicle’s brake configuration before ordering, including SRW or DRW, rear shoe size, hydro boost, and any listed chassis notes. This part number 355-47145 is tied to specific GM brake system combinations, so matching the original master cylinder style and brake hardware is important for proper fitment.

For catalog matching, compare the application details on your Chevrolet P30 or GMC P3500 against the listed notes before installation.

Quality Assurance

Part number 355-47145 is part of the Dynamic Friction DFC Brake Master Cylinder line, with fitment coverage built around specific GM brake hydraulic applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.