Dynamite Friction 355-45021 Brake Master Cylinder

Brake Master Cylinder for Buick and Cadillac

The Dynamite Friction DFC Brake Master Cylinder, part number 355-45021, is a direct-fit hydraulic brake component for select full-size GM sedans. It is built for 2009-2011 Buick Lucerne and 2009-2011 Cadillac DTS applications, with fitment listed for N/A position.

Key Features

• Brake master cylinder for hydraulic brake system service
• Compatible with 2009-2011 Buick Lucerne and 2009-2011 Cadillac DTS
• DFC Brake Master Cylinder product line from Dynamite Friction
• Part number 355-45021 for accurate ordering and catalog matching
• Direct replacement format for select OE-style brake repairs

Product Details

The DFC Brake Master Cylinder line is focused on replacement hydraulic brake components for passenger vehicles. This master cylinder is specified for Buick Lucerne and Cadillac DTS models from 2009 through 2011, making it a fitment-based solution for brake system restoration on these platforms. Use part number 355-45021 when verifying catalog lookup, service records, or cross-shop comparisons.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Issues It Can Address

• Low or inconsistent brake pedal response
• Internal hydraulic leakage in the master cylinder
• Brake fluid loss at the master cylinder assembly
• Uneven brake pressure distribution in the hydraulic system
• Brake warning symptoms tied to master cylinder wear

Installation Notes

Confirm vehicle year, make, and model before ordering. For 2009-2011 Buick Lucerne and 2009-2011 Cadillac DTS service, verify the brake hydraulic system is properly bled after installation and inspect all connected lines and seals for leaks. Match the replacement to part number 355-45021 to reduce cataloging errors.

Quality Assurance

Dynamite Friction’s DFC Brake Master Cylinder line is positioned as a dedicated brake hydraulics replacement range for vehicle-specific applications. Use confirmed fitment data and the part number 355-45021 to support accurate brake system service on Buick Lucerne and Cadillac DTS models.