Dynamite Friction 830-74031L Disc Brake Rotor - Rear Left

Overview of Dynamite Friction DFC Geoperformance Rotor

The Dynamite Friction DFC Geoperformance Rotor - Drilled and Slotted (part number 830-74031L) is engineered for reliable braking performance on select Audi and Volkswagen models. Designed with a directional, slotted and drilled surface, this solid disc brake rotor offers enhanced heat dissipation and consistent stopping power.

• Compatible with Audi A3, A3 Quattro, A3 Sportback e-tron, and Volkswagen Beetle, Bora, Caddy, e-Golf, Eos, Golf, Golf Alltrack, Golf SportWagen, GTI, Jetta, Passat, and Taos
• Directional drilled and slotted surface for improved brake pad bite and heat management
• Solid rotor design with a nominal thickness of 10 mm and discard thickness of 8 mm
• Rust resistant coating to reduce corrosion and extend rotor life
• Geospec silver grey hat finish for durability and corrosion resistance
• Five bolt holes with a bolt circle diameter of 112 mm and center hole diameter of 65 mm
• Overall diameter of 272 mm and height approximately 48.2 mm

DFC Geoperformance Rotor - Drilled and Slotted Product Line

The DFC Geoperformance Rotor - Drilled and Slotted line from Dynamite Friction focuses on delivering rotors with enhanced surface designs that improve braking efficiency and thermal performance. The drilled and slotted pattern is directional, which helps channel gases, dust, and heat away from the braking surface, reducing brake fade and maintaining consistent pedal feel. This product line is tailored for drivers seeking rotors that balance performance and durability for daily driving and light spirited use.

Technical Details and Specifications

This disc brake rotor is a solid type with a nominal thickness of 10 mm and a discard thickness of 8 mm, ensuring a clear service limit for safe operation. The rotor features a plain disc finish combined with a rust resistant coating to protect against corrosion, which is especially beneficial in wet or humid environments. The hat section is finished in Geospec silver grey, providing additional resistance to rust and wear. The rotor’s five bolt holes and stud/lug hole diameter of 15.3 mm are designed to fit securely on compatible Audi and Volkswagen models. The overall diameter of 272 mm and height of approximately 48.2 mm make it suitable for the specified vehicles.

Applications and Problem Solving

• Replacement rotor for worn or warped brake discs on Audi A3 and Volkswagen Golf models
• Improves heat dissipation to reduce brake fade during extended braking
• Helps maintain consistent braking performance in wet or corrosive environments
• Addresses brake noise and vibration issues caused by uneven rotor surfaces
• Suitable for vehicles requiring directional drilled and slotted rotors for enhanced braking response

Installation Notes and Tips

Ensure the rotor is installed with the directional surface pattern oriented correctly according to the vehicle’s rotation direction. Verify that the rotor thickness is above the discard thickness of 8 mm before installation. Clean the rotor surface to remove any protective coatings or residues prior to mounting. Use proper torque specifications for the five bolt holes to secure the rotor firmly. It is recommended to inspect brake pads and hardware during rotor replacement to ensure optimal braking system performance.

Quality Assurance and Warranty

Dynamite Friction manufactures the DFC Geoperformance Rotor - Drilled and Slotted to meet or exceed OEM specifications for fit, form, and function. The rotor includes a rust resistant coating and durable finishes to extend service life. Warranty details are provided by the manufacturer and typically cover defects in materials and workmanship under normal use conditions.