Dynamic Friction 355-47173 Brake Master Cylinder

Brake Master Cylinder for GM Trucks and SUVs

The Dynamic Friction DFC Brake Master Cylinder, part number 355-47173, is a direct-fit hydraulic brake component for select Chevrolet, GMC, and Cadillac applications. It is built for vehicles that require a replacement master cylinder with the correct OE-style fitment and brake system compatibility.

Key Features

• Brake master cylinder for the DFC Brake Master Cylinder product line
• Fits select 2003-2007 Chevrolet Express 1500 and GMC Savana 1500 models
• Fits select 2004-2006 Chevrolet Silverado 1500 and 2005-2006 GMC Sierra 1500 models
• Application-specific coverage for Hydro-Boost, rear disc brake, 6-lug, and StabiliTrak-equipped vehicles where noted
• Part number 355-47173 for accurate ordering and catalog lookup

Detailed Description

The Dynamic Friction DFC Brake Master Cylinder 355-47173 is engineered for brake hydraulic service on a range of GM full-size trucks, vans, and SUVs. This master cylinder fits 2003-2007 Chevrolet Express 1500, 2003-2005 Chevrolet Express 2500, 2003-2007 GMC Savana 1500, 2003-2005 GMC Savana 2500, 2004-2006 Chevrolet Silverado 1500, 2005-2006 GMC Sierra 1500, and select Cadillac Escalade, Chevrolet Avalanche, Suburban, Tahoe, and GMC Yukon applications listed in the fitment data. Use this part number 355-47173 when replacing a worn or leaking master cylinder on the specified Chevrolet Silverado and GMC Sierra platforms.

What It Helps Address

• Brake pedal travel that feels excessive or inconsistent
• External or internal master cylinder fluid leakage
• Loss of hydraulic pressure in the brake system
• Soft or spongy brake pedal response
• Brake warning concerns tied to master cylinder wear

Installation Notes

Verify the vehicle’s brake system configuration before ordering, especially Hydro-Boost, rear disc brake, 6-lug, and StabiliTrak-related notes. Confirm the master cylinder bore and port layout against the original unit, and bleed the brake system thoroughly after installation. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

DFC Brake Master Cylinder components are cataloged for specific OE-style applications to support accurate replacement selection. Confirm fitment by year, make, model, and brake-system notes before installation.