Dynamite Friction 830-74048L Disc Brake Rotor - Rear Left

Overview of Dynamite Friction DFC Geoperformance Rotor

The Dynamite Friction DFC Geoperformance Rotor - Drilled and Slotted (part number 830-74048L) is engineered for Audi Q7, Porsche Cayenne, and Volkswagen Touareg models. Designed to enhance braking performance, this vented disc brake rotor features a directional, slotted, and drilled surface for improved heat dissipation and consistent stopping power.

• Nominal thickness: 28 mm with a discard thickness of 26 mm
• Overall height: 74.8 mm and outside diameter: 330 mm
• Directional slotted and drilled surface for optimized brake pad contact and cooling
• Vented rotor design to reduce heat buildup during braking
• Rust resistant coating for extended durability
• Hat finished in Geospec silver grey for corrosion resistance and aesthetic appeal
• Five bolt holes with a bolt circle diameter of 130 mm
• Center hole diameter of 85 mm and stud/lug hole diameter of 15.2 mm

DFC Geoperformance Rotor - Drilled and Slotted Product Line

The DFC Geoperformance Rotor - Drilled and Slotted line by Dynamite Friction focuses on delivering rotors with enhanced thermal management and surface design. The combination of drilled holes and precision slots helps to evacuate gases, dust, and water from the braking surface, which is critical for maintaining consistent brake performance under demanding conditions. This product line is tailored for performance-oriented vehicles such as the Audi Q7, Porsche Cayenne, and Volkswagen Touareg, where reliable braking and rotor longevity are essential.

Technical Details and Specifications

This disc brake rotor is vented, allowing air to flow between the rotor surfaces to dissipate heat more effectively than solid rotors. The directional surface pattern, featuring both drilled holes and slots, improves pad bite and reduces brake fade. The rotor’s nominal thickness is 28 mm, with a discard thickness of 26 mm, ensuring a clear service life indicator. The rotor’s hat is finished in Geospec silver grey, providing corrosion resistance and a clean appearance. The rust resistant coating further protects the rotor from environmental damage, extending its operational lifespan.

Applications and Problem Solving

• Compatible with Audi Q7, Porsche Cayenne, and Volkswagen Touareg models requiring 330 mm diameter rotors
• Addresses brake fade caused by excessive heat during heavy braking
• Reduces rotor warping and cracking through improved heat dissipation
• Minimizes brake dust accumulation and water interference on braking surfaces
• Helps maintain consistent braking performance in wet or harsh conditions

Installation Notes and Tips

Ensure the rotor is installed on vehicles with a 5-lug bolt pattern and a 130 mm bolt circle diameter. Verify the center hole diameter of 85 mm matches the vehicle hub for proper fitment. It is recommended to inspect brake pads and calipers during installation to ensure compatibility and optimal performance. Proper torque specifications should be followed when securing the rotor to avoid warping or uneven wear.

Quality Assurance

Dynamite Friction manufactures the 830-74048L rotor to meet or exceed OEM standards for fit, form, and function. The rust resistant coating and Geospec silver grey hat finish contribute to the rotor’s durability and corrosion resistance. While no specific warranty information is provided, the product is designed for reliable performance in demanding driving conditions on Audi Q7, Porsche Cayenne, and Volkswagen Touareg vehicles.