Dynamite Friction 633-54179L Disc Brake Rotor - Front Left

Drilled and Slotted Front Left Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Black, part number 633-54179L, is a vented front left disc brake rotor for select Ford Explorer and Mercury Mountaineer applications. It features a slotted X drilled surface, a zinc black hat finish, and a rust resistant coating for a clean, service-ready appearance.

Fits 2002-2005 Ford Explorer, front left. Fits 2002-2005 Mercury Mountaineer, front left. The 633-54179L rotor is built with a 305 mm outside diameter, 26 mm nominal thickness, and 24.5 mm discard thickness for the specified brake setup.

Key Features

• Part number 633-54179L
• Drilled and slotted brake surface with directional pattern
• Vented rotor construction
• Plain disc finish with zinc black hat finish
• Rust resistant coating
• 5-lug pattern with 114.3 mm bolt circle diameter
• 82 mm center hole diameter
• 305 mm outside diameter

Detailed Product Information

This DFC Brake Rotor - Drilled and Slotted - Black is engineered for the front left position on 2002-2005 Ford Explorer and 2002-2005 Mercury Mountaineer models. The slotted X drilled surface is paired with a directional brake face to support consistent pad contact and heat management in the specified application. The 633-54179L also uses a vented rotor design, 13.7 mm bolt hole diameter, and 56.3 mm overall height to match the listed fitment requirements.

The Brand Line identifies this rotor as part of Dynamite Friction’s drilled and slotted black rotor line, which combines a corrosion-resistant finish with a performance-oriented surface design. For shoppers searching for a front left brake rotor for Ford Explorer 2002-2005 or Mercury Mountaineer 2002-2005, part number 633-54179L provides a direct fit reference for the listed vehicles.

Common Repair Reasons

• Replacing a worn or below-spec front left brake rotor
• Addressing rotor scoring, grooves, or uneven braking feel
• Restoring proper brake surface thickness for the listed vehicles
• Correcting corrosion on the rotor hat or braking surface
• Servicing a Ford Explorer or Mercury Mountaineer front brake application

Installation Notes

Install only on the confirmed front left position for the listed vehicles. Verify rotor dimensions, bolt circle diameter, center hole diameter, and thickness before installation. Because the brake surface is directional, follow the rotor orientation during mounting. Always inspect pads, caliper condition, and hub surfaces during brake service to ensure proper rotor seating.

Quality Assurance

Dynamite Friction identifies this rotor with a rust resistant coating and zinc black hat finish for added surface protection. Part number 633-54179L is specified for the listed Ford Explorer and Mercury Mountaineer fitments and should be matched to the vehicle’s brake configuration before installation.