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Dynamite Friction 900-80072 Disc Brake Rotor - Rear
Reliable Disc Brake Rotor for Fiat 124 Spider and Mazda MX-5 Miata
The Dynamite Friction DFC Hi-Carbon Alloy GEOMET Coated Rotor (part number 900-80072) is engineered to provide consistent braking performance for Fiat 124 Spider and Mazda MX-5 Miata models. Designed as a solid disc brake rotor, it offers durability and precise fitment for these vehicles.
- Compatible with Fiat 124 Spider and Mazda MX-5 Miata
- Solid rotor design with 280 mm outside diameter
- Nominal thickness of 9.5 mm and discard thickness of 7.5 mm
- Four bolt holes with 13.3 mm diameter for secure mounting
- Height of 35.85 mm and inside diameter of 55 mm
About the DFC Hi-Carbon Alloy GEOMET Coated Rotor Line
The DFC Hi-Carbon Alloy GEOMET Coated Rotor line from Dynamite Friction features rotors manufactured with a high-carbon alloy for improved wear resistance and heat dissipation. The GEOMET coating provides corrosion protection, extending rotor life and maintaining braking efficiency. This product line is designed to meet the specific braking requirements of performance-oriented vehicles like the Fiat 124 Spider and Mazda MX-5 Miata.
Product Specifications and Features
This disc brake rotor is a solid type, measuring 280 mm in outside diameter and 35.85 mm in height. It has a nominal thickness of 9.5 mm, with a discard thickness set at 7.5 mm, indicating when replacement is necessary to maintain safe braking. The rotor includes four bolt holes, each with a diameter of 13.3 mm, and an inside diameter of 55 mm, ensuring proper fitment and secure installation on compatible vehicles.
Applications and Problem Solving
- Replacement rotor for worn or warped discs on Fiat 124 Spider and Mazda MX-5 Miata
- Addresses brake pulsation caused by uneven rotor surfaces
- Helps restore braking performance and pedal feel
- Prevents corrosion-related rotor degradation with GEOMET coating
- Suitable for vehicles requiring solid rotors with specific thickness and diameter dimensions
Installation Notes and Tips
Ensure the rotor thickness is above the discard thickness of 7.5 mm before installation. Clean the mounting surface and verify bolt hole alignment with the vehicle hub. Use proper torque specifications for the four 13.3 mm bolt holes to secure the rotor. It is recommended to inspect brake pads and hardware during rotor replacement for optimal braking system performance.
Quality Assurance
The Dynamite Friction DFC Hi-Carbon Alloy GEOMET Coated Rotor (part number 900-80072) is manufactured to meet industry standards for durability and performance. The high-carbon alloy construction combined with corrosion-resistant GEOMET coating ensures reliable braking under normal operating conditions. Warranty information should be confirmed with the product supplier or manufacturer.
| Brand | Dynamite Friction |
|---|---|
| Part Number | 900-80072 |
| Position | DFC Hi-Carbon Alloy GEOMET Coated Rotor, Rear |
| Discard Thickness | 7.5 |
| Nominal Thickness | 9.5 |
| Bolt Hole Diameter | 13.3 |
| Inside Diameter | 55 |
| Bolt Hole Quantity | 4 |
| Outside Diameter | 280 |
| Height | 35.85 |
| Solid Or Vented Type Rotor | Solid |
This part fits 46 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2025 | Mazda | MX-5 Miata | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor | |
| 2024 | Mazda | MX-5 Miata | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor | |
| 2023 | Mazda | MX-5 Miata | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor | |
| 2022 | Mazda | MX-5 Miata | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor | |
| 2021 | Mazda | MX-5 Miata | Club | Rear | Except Brembo Front Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2021 | Mazda | MX-5 Miata | Grand Touring | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2021 | Mazda | MX-5 Miata | Sport | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2021 | Mazda | MX-5 Miata | Club | Rear | Brembo Front Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2020 | Fiat | 124 Spider | Classica | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2020 | Fiat | 124 Spider | Abarth | Rear | Abarth excluding Brembo Performance Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2020 | Fiat | 124 Spider | Urbana | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2020 | Fiat | 124 Spider | Lusso | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2020 | Fiat | 124 Spider | Abarth | Rear | Abarth Brembo Performance Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2020 | Mazda | MX-5 Miata | Club | Rear | Except Brembo Front Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2020 | Mazda | MX-5 Miata | Grand Touring | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2020 | Mazda | MX-5 Miata | Sport | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2020 | Mazda | MX-5 Miata | Club | Rear | Brembo Front Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2019 | Fiat | 124 Spider | Classica | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2019 | Fiat | 124 Spider | Abarth | Rear | Abarth excluding Brembo Performance Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2019 | Fiat | 124 Spider | Urbana | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2019 | Fiat | 124 Spider | Lusso | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2019 | Fiat | 124 Spider | Abarth | Rear | Abarth Brembo Performance Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2019 | Mazda | MX-5 Miata | Club | Rear | Except Brembo Front Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2019 | Mazda | MX-5 Miata | Grand Touring | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2019 | Mazda | MX-5 Miata | Sport | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2019 | Mazda | MX-5 Miata | Club | Rear | Brembo Front Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2018 | Fiat | 124 Spider | Classica | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2018 | Fiat | 124 Spider | Abarth | Rear | Abarth excluding Brembo Performance Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2018 | Fiat | 124 Spider | Lusso | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2018 | Fiat | 124 Spider | Abarth | Rear | Abarth Brembo Performance Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2018 | Mazda | MX-5 Miata | Club | Rear | Except Brembo Front Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2018 | Mazda | MX-5 Miata | Grand Touring | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2018 | Mazda | MX-5 Miata | Sport | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2018 | Mazda | MX-5 Miata | Club | Rear | Brembo Front Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2017 | Fiat | 124 Spider | Classica | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2017 | Fiat | 124 Spider | Abarth | Rear | Abarth excluding Brembo Performance Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2017 | Fiat | 124 Spider | Lusso | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2017 | Fiat | 124 Spider | Abarth | Rear | Abarth Brembo Performance Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2017 | Mazda | MX-5 Miata | Club | Rear | Except Brembo Front Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2017 | Mazda | MX-5 Miata | Grand Touring | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2017 | Mazda | MX-5 Miata | Sport | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2017 | Mazda | MX-5 Miata | Club | Rear | Brembo Front Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2016 | Mazda | MX-5 Miata | Club | Rear | Except Brembo Front Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2016 | Mazda | MX-5 Miata | Grand Touring | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2016 | Mazda | MX-5 Miata | Sport | Rear | DFC Hi-Carbon Alloy GEOMET Coated Rotor |
| 2016 | Mazda | MX-5 Miata | Club | Rear | Brembo Front Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.