Dynamic Friction 355-42017 Brake Master Cylinder

Brake Master Cylinder for Jeep Applications

The Dynamic Friction DFC Brake Master Cylinder, part number 355-42017, is a direct-fit brake hydraulic component for select Jeep models from the mid-to-late 1980s. It is built for drivers replacing a worn or leaking master cylinder on a Jeep Cherokee, Comanche, Wagoneer, or Wrangler.

Key Features

• Brake master cylinder for hydraulic brake system service
• Fits 1984-1989 Jeep Cherokee, N/A
• Fits 1986-1989 Jeep Comanche, N/A
• Fits 1987-1989 Jeep Wagoneer, N/A
• Fits 1987-1989 Jeep Wrangler, N/A
• DFC Brake Master Cylinder line from Dynamic Friction
• Part number 355-42017 for application matching

Detailed Description

Use the Dynamic Friction DFC Brake Master Cylinder 355-42017 when servicing the brake hydraulic system on compatible Jeep vehicles. This master cylinder is listed for 1984-1989 Jeep Cherokee, 1986-1989 Jeep Comanche, 1987-1989 Jeep Wagoneer, and 1987-1989 Jeep Wrangler, making it a fitment-specific replacement for common brake system repair work. The DFC Brake Master Cylinder product line is positioned for brake hydraulic service where accurate application matching matters, and 355-42017 should be selected by vehicle fitment rather than by appearance alone.

What It Helps Address

• Brake pedal that sinks under steady pressure
• External brake fluid leakage at the master cylinder
• Loss of hydraulic pressure in the brake system
• Brake warning concerns tied to master cylinder wear
• Restoration of proper brake fluid movement in serviceable Jeep brake systems

Installation Notes and Tips

Verify the vehicle year, model, and brake system configuration before ordering 355-42017. After installation, bleed the brake system thoroughly and inspect all hydraulic connections for leaks. Confirm pedal feel and brake operation before returning the vehicle to service.

Quality Assurance

Dynamic Friction supplies the DFC Brake Master Cylinder line as a fitment-specific brake hydraulic replacement for listed Jeep applications. Part number 355-42017 is cataloged for direct vehicle matching on the applications shown above.