Dynamite Friction 631-54002L Disc Brake Rotor - Front Left

Drilled and Slotted Front Left Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver, part number 631-54002L, is a vented front left disc brake rotor built for specific compact Ford, Mercury, and Mazda applications. It features a slotted X drilled surface, zinc silver hat finish, and rust resistant coating for a clean, service-ready replacement.

Key Features

• Part number 631-54002L for direct application lookup
• Vented disc brake rotor with directional slotted X drilled surface
• Outside diameter: 257 mm; overall height: 45 mm
• Nominal thickness: 22 mm; discard thickness: 20 mm
• 4-bolt pattern with 100 mm bolt circle diameter
• 55 mm center hole diameter and 13 mm bolt hole diameter
• Plain disc finish with zinc silver hat finish
• Rust resistant coating for added corrosion protection

Product Details

This DFC Brake Rotor is engineered for front left brake service on 1997-2003 Ford Escort, 1993-1999 Mercury Tracer, 1990-1998 Mazda Protege, 1991-1996 Ford Escort, 1991-1996 Mercury Tracer, and 1992-1995 Mazda MX-3. The drilled and slotted rotor surface helps maintain consistent pad contact and supports heat management during repeated braking, while the vented design promotes airflow through the rotor body. The 631-54002L is a practical replacement choice when servicing a front left rotor on these compact front-wheel-drive platforms.

The DFC Brake Rotor - Drilled and Slotted - Silver line focuses on application-specific rotors with corrosion-resistant finishes and performance-oriented surface machining. For shoppers searching for a front left brake rotor for Ford Escort, Mercury Tracer, or Mazda Protege fitment, 631-54002L provides the correct dimensions and bolt pattern for the listed vehicles.

Common Problems This Rotor Can Address

• Brake pulsation caused by rotor thickness variation
• Reduced braking consistency from worn or heat-affected rotors
• Surface corrosion on the braking face or hat area
• Noise or uneven pad contact from rotor wear
• Brake service needs on a front left rotor for Ford Escort, Mercury Tracer, or Mazda Protege

Installation Notes and Tips

Verify rotor dimensions, bolt pattern, and hub fitment before installation. This rotor is directional, so confirm left-side orientation and match the rotor to the front left position listed for your vehicle. Inspect pads, caliper condition, and hub mounting surfaces during brake service to help ensure even contact and proper rotor seating. For best results, follow the vehicle manufacturer’s brake service procedures and torque specifications.

Quality Assurance

Built by Dynamite Friction with a rust resistant coating and zinc silver hat finish, this rotor is specified for the listed applications and dimensions. Part number 631-54002L is intended to meet the fitment and construction requirements shown for the covered Ford, Mercury, and Mazda models.