Dynamic Friction 355-42024 Brake Master Cylinder

Brake Master Cylinder for Jeep CJ7 and Scrambler

The Dynamic Friction DFC Brake Master Cylinder, part number 355-42024, is a direct-fit brake hydraulic component for select Jeep applications. It is listed for 1978-1981 Jeep CJ7 and 1981 Jeep Scrambler models, including power brake and 10 inch rear drum configurations shown in the fitment data.

Key Features

• Brake master cylinder for Jeep CJ7 and Jeep Scrambler applications
• Fits 1978-1981 Jeep CJ7 and 1981 Jeep Scrambler listings in the catalog
• Application notes include power brakes and 10 inch rear drum setups where specified
• DFC Brake Master Cylinder line from Dynamic Friction
• Part number 355-42024 for catalog lookup and ordering

Application Details

This DFC Brake Master Cylinder is cataloged for 1978 Jeep CJ7 with 10 inch rear drum and power brakes, 1979-1981 Jeep CJ7 with power brake applications, and 1981 Jeep Scrambler with power brake applications. If you are replacing a worn Jeep CJ7 brake master cylinder or servicing a Jeep Scrambler brake hydraulic system, part number 355-42024 provides a fitment-specific replacement reference for these vehicles.

What It Helps Address

• Low or inconsistent brake pedal response
• External brake fluid leakage at the master cylinder
• Internal hydraulic bypass that affects pedal feel
• Brake warning light concerns related to hydraulic imbalance
• Restoration or maintenance of original-style Jeep brake hydraulics

Installation Notes

Verify the vehicle’s brake configuration before installation, especially power brake setup and rear drum specification. Confirm the existing master cylinder bore, line routing, and mounting pattern against the removed unit before final assembly. After installation, bleed the brake system thoroughly and inspect all hydraulic connections for leaks.

Quality Assurance

Dynamic Friction’s DFC Brake Master Cylinder line is cataloged as a brake hydraulic replacement option for the listed Jeep CJ7 and Jeep Scrambler applications. Part number 355-42024 should be matched to the vehicle’s brake configuration using the fitment notes provided.