Brake Master Cylinder for Heavy-Duty Trucks

The Dynamite Friction DFC Brake Master Cylinder, part number 355-40048, is a direct-fit hydraulic brake component for select heavy-duty Dodge, Chevrolet, and GMC trucks. It supports consistent brake pedal response in applications that require dependable master cylinder performance.

Key Features

• Brake master cylinder for the DFC Brake Master Cylinder product line
• Fits select 1990-1994 Dodge Ram 2500 and Ram 3500 applications
• Fits select 1990-1993 Chevrolet C3500 and K3500 applications
• Fits select 1990-1993 GMC C3500 and K3500 applications
• Part number 355-40048 for catalog and service matching

Fitment Details

• Fits 1994 Dodge Ram 2500, N/A; Dana 60 Front Axle; DFC Brake Master Cylinder
• Fits 1994 Dodge Ram 3500, N/A; DFC Brake Master Cylinder
• Fits 1992-1993 Chevrolet C3500, N/A; DRW Brake Hydraulic Hose; DFC Brake Master Cylinder
• Fits 1992-1993 Chevrolet K3500, N/A; DRW Brake Hydraulic Hose; DFC Brake Master Cylinder
• Fits 1990-1993 GMC C3500, N/A; DRW Brake Hydraulic Hose; DFC Brake Master Cylinder
• Fits 1992-1993 GMC K3500, N/A; DRW Brake Hydraulic Hose; DFC Brake Master Cylinder
• Fits 1990 GMC K3500, N/A; DRW Brake Hydraulic Hose; DFC Brake Master Cylinder
• Fits 1990-1991 Chevrolet C3500, N/A; SRW, 13 x 3 1/2 inch Rear Shoe, 9000-9200 lb GVW; DRW; DFC Brake Master Cylinder
• Fits 1991 Chevrolet K3500, N/A; DFC Brake Master Cylinder
• Fits 1990-1991 GMC C3500, N/A; SRW; 13 x 3 1/2 inch Rear Shoe; 9000-9200 lb GVW; DFC Brake Master Cylinder
• Fits 1991 GMC K3500, N/A; DFC Brake Master Cylinder

Common Replacement Reasons

• Low or inconsistent brake pedal feel
• Internal hydraulic leakage in the master cylinder
• Brake fluid loss at the master cylinder area
• Uneven brake response in heavy-duty truck braking systems
• Service replacement for worn hydraulic brake components

Installation Notes

Verify the vehicle year, make, model, and brake configuration before ordering. This part number 355-40048 is listed for multiple heavy-duty truck applications, including Dodge Ram 2500 and Ram 3500, Chevrolet C3500 and K3500, and GMC C3500 and K3500. After installation, the brake hydraulic system should be properly bled and checked for leaks and pedal feel.

Quality Assurance

Dynamite Friction identifies this component under the DFC Brake Master Cylinder line for brake hydraulic service applications. Use the listed fitment data to confirm the correct match for your truck before installation.