OE Quality
60-Day Returns

Dynamite Friction 604-80023 Disc Brake Rotor - Rear
Overview of Dynamite Friction DFC GEOSPEC Coated Rotor 604-80023
The Dynamite Friction DFC GEOSPEC Coated Rotor 604-80023 is engineered for Mazda Miata vehicles requiring reliable disc brake rotors. Designed as a solid rotor with precise dimensions, it ensures consistent braking performance and durability.
- Compatible with Mazda Miata models
- Solid disc brake rotor design
- Nominal thickness: 9 mm, discard thickness: 8 mm
- Outside diameter: 231 mm, inside diameter: 55 mm
- Height: 34.5 mm with 4 bolt holes of 13 mm diameter
Detailed Product Specifications
This Dynamite Friction disc brake rotor features a solid construction with a nominal thickness of 9 mm and a discard thickness of 8 mm, providing a clear service limit for safe operation. The rotor measures 231 mm in outside diameter and 55 mm inside diameter, fitting precisely on the Mazda Miata brake assembly. It includes four bolt holes, each with a diameter of 13 mm, ensuring secure mounting. The rotor height is 34.5 mm, designed to maintain proper alignment and clearance within the braking system.
DFC GEOSPEC Coated Rotor Product Line
The DFC GEOSPEC Coated Rotor line by Dynamite Friction focuses on rotors with specialized coatings to enhance corrosion resistance and surface durability. This coating helps extend rotor life and maintain consistent braking performance under various driving conditions. The 604-80023 rotor benefits from this coating, making it suitable for Mazda Miata owners seeking a reliable replacement rotor with added protection against wear and environmental factors.
Common Applications and Problem Solving
- Replacement for worn or warped rotors on Mazda Miata
- Addressing brake pulsation caused by uneven rotor surfaces
- Resolving noise issues related to rotor wear or damage
- Improving braking consistency after rotor thinning
- Preventing corrosion-related rotor degradation
Installation Notes and Tips
When installing the Dynamite Friction 604-80023 rotor on a Mazda Miata, ensure the rotor surface is clean and free of contaminants before mounting. Verify the bolt hole alignment with the hub and torque bolts to manufacturer specifications. It is recommended to inspect brake pads and replace them if worn to maintain optimal braking performance. Proper bedding-in of the new rotor and pads will help achieve consistent braking response.
Quality Assurance and Warranty
Dynamite Friction manufactures the 604-80023 rotor to meet industry standards for durability and performance. The DFC GEOSPEC Coated Rotor line includes protective coatings to reduce corrosion and extend service life. Warranty details should be confirmed with the product documentation or supplier, as coverage may vary.
| Brand | Dynamite Friction |
|---|---|
| Part Number | 604-80023 |
| Position | DFC GEOSPEC Coated Rotor, Rear |
| Bolt Hole Diameter | 13 |
| Bolt Hole Quantity | 4 |
| Discard Thickness | 8 |
| Height | 34.5 |
| Inside Diameter | 55 |
| Nominal Thickness | 9 |
| Outside Diameter | 231 |
| Solid Or Vented Type Rotor | Solid |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1993 | Mazda | Miata | Rear | DFC GEOSPEC Coated Rotor |
| 1992 | Mazda | Miata | Rear | DFC GEOSPEC Coated Rotor |
| 1991 | Mazda | Miata | Rear | DFC GEOSPEC Coated Rotor |
| 1990 | Mazda | Miata | Rear | DFC GEOSPEC Coated Rotor |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.