Dynamic Friction 355-03020 Brake Master Cylinder

Brake Master Cylinder for Hyundai Sonata and Kia Optima

The Dynamic Friction DFC Brake Master Cylinder, part number 355-03020, is a direct-fit brake hydraulics component for select Hyundai Sonata and Kia Optima applications. It is built for drivers replacing a worn or leaking master cylinder and restoring consistent hydraulic brake pressure.

Key Features

• Brand: Dynamic Friction
• Brand line: DFC Brake Master Cylinder
• Part number: 355-03020
• Category: Brake hydraulics
• Direct replacement master cylinder for select Hyundai Sonata and Kia Optima vehicles

Compatible Vehicle Fitment

• Fits 2006 Kia Optima, N/A, 4-lug wheel compatibility; DFC Brake Master Cylinder
• Fits 2005 Hyundai Sonata, N/A, To 03/05; DFC Brake Master Cylinder
• Fits 2004-2005 Kia Optima, N/A, DFC Brake Master Cylinder
• Fits 1999-2004 Hyundai Sonata, N/A, DFC Brake Master Cylinder
• Fits 2003 Kia Optima, N/A, From 10/02; DFC Brake Master Cylinder
• Fits 2001-2002 Kia Optima, N/A, To 7/02; Rear Disc; DFC Brake Master Cylinder
• Fits 2001-2002 Kia Optima, N/A, To 7/02; DFC Brake Master Cylinder

What This Part Helps Address

• Brake pedal that feels soft or sinks under pressure
• External brake fluid leakage at the master cylinder
• Uneven or inconsistent hydraulic brake response
• Loss of braking performance caused by internal seal wear
• Need for a replacement master cylinder on a Hyundai Sonata or Kia Optima

Installation Notes and Tips

Verify the vehicle year, model, and notes before ordering, especially the 2005 Hyundai Sonata cutoff to 03/05, the 2003 Kia Optima from 10/02 note, and the 2001-2002 Kia Optima rear disc application. After installation, the brake system should be properly bled and checked for leaks and pedal feel.

Quality Assurance

DFC Brake Master Cylinder components are cataloged for specific vehicle applications to support accurate replacement selection. Confirm part number 355-03020 against the vehicle fitment details before installation.