Dynamite Friction 604-31130 Disc Brake Rotor - Rear

Overview of Dynamite Friction DFC GEOSPEC Coated Rotor 604-31130

The Dynamite Friction DFC GEOSPEC Coated Rotor 604-31130 is engineered for precision braking performance on select BMW and Toyota models. Designed as a vented disc brake rotor, it offers reliable heat dissipation and consistent stopping power for vehicles such as the BMW 330i, 530i, and Toyota GR Supra.

• Nominal thickness: 24 mm for durability and performance
• Discard thickness: 22.4 mm indicating rotor replacement threshold
• Vented rotor design enhances cooling during braking
• Outside diameter: 345 mm for optimal fit and braking surface
• Five bolt holes with 16.7 mm diameter for secure mounting
• Height of 64.1 mm and inside diameter of 67 mm for precise fitment

Details on the DFC GEOSPEC Coated Rotor Product Line

The DFC GEOSPEC Coated Rotor line by Dynamite Friction focuses on rotors with advanced coating technology to resist corrosion and extend rotor life. This coating helps maintain rotor integrity under various driving conditions, making it suitable for BMW and Toyota vehicles requiring reliable braking components. The 604-31130 part benefits from this coating, ensuring consistent performance and durability.

Technical Specifications and Compatibility

This disc brake rotor features a vented design that improves heat dissipation, reducing the risk of brake fade during extended use. The rotor’s nominal thickness of 24 mm and discard thickness of 22.4 mm provide clear maintenance guidelines to ensure safety and performance. With an outside diameter of 345 mm and five bolt holes sized at 16.7 mm, this rotor is compatible with a range of BMW models including the 230i, 330e, 430i, 530e, 540i, 640i Gran Turismo, 740i, 750i, 840i, and X series vehicles, as well as Toyota models like the GR Supra. The rotor’s height of 64.1 mm and inside diameter of 67 mm ensure proper fitment and alignment.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on BMW 330i and 530i models
• Improves braking consistency on Toyota GR Supra and BMW X series vehicles
• Addresses brake noise and vibration caused by uneven rotor surfaces
• Helps prevent brake fade during high-temperature conditions with vented design
• Restores proper rotor thickness to maintain braking efficiency

Installation Notes and Tips

Ensure the rotor is installed on compatible BMW or Toyota models as specified. Verify bolt hole alignment and torque specifications according to manufacturer guidelines. It is recommended to inspect brake pads and hardware during rotor replacement to maintain optimal braking system performance. Proper cleaning of the rotor surface before installation can help prevent uneven braking and noise.

Quality Assurance and Warranty

Dynamite Friction manufactures the DFC GEOSPEC Coated Rotor 604-31130 to meet industry standards for durability and performance. The coating applied to the rotor surface provides corrosion resistance, contributing to longer service life. Please refer to Dynamite Friction’s warranty policy for specific coverage details related to this part number.