Dynamic Friction 331-54679 Disc Brake Caliper - Rear Left

Rear Left Disc Brake Caliper for Ford Applications

The Dynamic Friction DFC Premium Caliper - Silver Zinc Coated, part number 331-54679, is a rear left disc brake caliper for select Ford and Mercury vehicles. It is listed for Ford Explorer Sport Trac, Ford Explorer Sport, Ford Ranger, Ford Explorer, and Mercury Mountaineer rear disc brake applications.

Key Features

• Rear left disc brake caliper for the listed Ford and Mercury fitments
• Silver zinc coated finish for added corrosion resistance
• DFC Premium Caliper line for direct brake service replacement
• Fits 1995-2005 Ford Explorer, Explorer Sport, Explorer Sport Trac, Ranger, and Mercury Mountaineer applications
• Part number 331-54679 for accurate ordering and catalog lookup

Fitment Details

• Fits 2005 Ford Explorer Sport Trac, rear left.
• Fits 2003-2004 Ford Explorer Sport Trac, rear left; steel piston.
• Fits 2001-2003 Ford Explorer Sport, rear left.
• Fits 1998-2002 Ford Ranger, rear left.
• Fits 1998-2002 Ford Ranger, rear left; vehicles equipped with rear disc brakes.
• Fits 1995-2001 Ford Explorer, rear left.
• Fits 1997-2001 Mercury Mountaineer, rear left.

What This Caliper Helps Address

• Rear brake drag caused by a sticking caliper
• Uneven rear brake pad wear on the left side
• Brake fluid leakage at the caliper assembly
• Reduced braking response from a worn hydraulic caliper
• Corrosion-related caliper seizure on older Ford trucks and SUVs

Installation Notes and Tips

Verify rear left position, model year, and rear disc brake configuration before ordering. For 2003-2004 Ford Explorer Sport Trac applications, the fitment notes specify a steel piston. Confirm the brake hose connection, pad condition, and rotor surface during service, and bleed the brake system after installation.

Quality Assurance

DFC Premium Caliper is the product line designation for this silver zinc coated replacement caliper. Part number 331-54679 is cataloged for the listed Ford Explorer, Ford Ranger, Explorer Sport Trac, Explorer Sport, and Mercury Mountaineer rear left applications.