Dynamic Friction 830-54280L Disc Brake Rotor - Rear Left

Rear Left Drilled and Slotted Rotor for Explorer and Nautilus

The Dynamic Friction DFC Geoperformance Rotor - Drilled and Slotted, part number 830-54280L, is a rear left disc brake rotor built for specific Ford and Lincoln applications. It combines a slotted X drilled surface with a rust resistant coating and Geospec Silver Grey hat finish for a clean, service-ready appearance.

Key Features

• Part number 830-54280L for direct application lookup
• 320 mm outside diameter with 27 mm height
• Directional slotted X drilled braking surface
• Plain disc finish with Geospec Silver Grey hat finish
• Rust resistant coating for added surface protection
• 5-bolt hole design with 114.3 mm bolt circle diameter
• 71.06 mm center hole diameter and 15.85 mm bolt hole diameter
• Nominal thickness of 12 mm and discard thickness of 10.5 mm

Product Details

The DFC Geoperformance Rotor line focuses on brake rotors with performance-oriented surface machining and corrosion protection. This rotor uses a directional slotted X drilled pattern to support consistent pad contact and heat management, while the coated hat helps maintain a cleaner appearance in exposed brake areas. The part number 830-54280L is listed for the rear left position on 2020-2026 Ford Explorer, 2024-2026 Lincoln Nautilus, and 2024-2025 Ford Mustang with 320 mm front and 320 mm rear disc specifications.

What This Rotor Helps Address

• Brake fade during repeated stops
• Uneven pad transfer on the rotor surface
• Surface rust on exposed rotor areas
• Brake noise related to worn or uneven rotors
• Vibration caused by rotor wear or thickness variation

Installation Notes and Tips

Verify rear left fitment by year, make, model, and brake size before installation. This rotor is directional, so orientation matters during setup. Inspect pads, caliper condition, and hub surfaces at the same time to help ensure proper rotor seating and braking performance. Confirm the rotor meets the vehicle’s service limits before reuse or replacement.

Quality Assurance

Dynamic Friction’s Geoperformance rotor line is built with a rust resistant coating and a corrosion-resistant hat finish to support long-term service appearance and brake system maintenance. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.