Dynamic Friction 4802-73040 DFC GeoSpec Coated Plain Brake Rotor

The Dynamic Friction Company (DFC) 4802-73040 is a GeoSpec fully coated plain disc brake rotor engineered as a direct OE replacement. Featuring DFC's proprietary GeoSpec coating applied inside and out, this rotor delivers superior corrosion resistance over conventional paint or zinc coatings while maintaining a clean, attractive silver-gray finish.

Key Features:

• Full GeoSpec Coating: Completely coated inside and out with a durable, rust-resistant silver-gray finish that outperforms conventional paint and zinc coatings
• Premium G3000/G11H18 Iron Casting: Engineered for superior strength, stability, and long-term durability
• CNC-Machined to Tight Tolerances: Precision machining ensures consistent performance and a perfect OE-spec fit
• Non-Directional Surface Finish: Promotes faster, more even brake pad bed-in for quieter and smoother stops right from installation
• OE Vane Configuration: Matches original equipment vane geometry for proper and maximum heat dissipation
• 100% Mill-Balanced: Each vented rotor is electronically mill-balanced, eliminating vibration at any speed
• 100% Inspected: Every rotor passes a final inspection measuring all critical attributes to ensure OE specification compliance
• Ready to Install: Processed and shipped dry — no cleaning or prep required before installation

Specifications:

• Rotor Style: Plain / Smooth (Blank)
• Outside Diameter: 310 mm (12.2 in)
• Nominal Thickness: 21.8 mm
• Discard Thickness: 20 mm
• Center Hole Diameter: 68 mm
• Bolt Pattern: 5-bolt
• Bolt Hole Diameter: 15.3 mm
• Rotor Type: Vented
• Brake Surface: Non-Directional
• Material: Cast Iron
• Finish: Fully Coated GeoSpec

The DFC GeoSpec rotor program offers one of the most complete coverage ranges in the industry, with over 1,400 SKUs for foreign and domestic passenger cars and light trucks. Whether for daily commuting, performance street driving, towing, or light off-road use, the 4802-73040 delivers reliable, quiet, and long-lasting braking performance.