HomeBrake > Drums and RotorsDynamite Friction 900-80072 Disc Brake Rotor - Rear
Part #: 900-80072

Dynamite Friction 900-80072 Disc Brake Rotor - Rear

DFC Hi-Carbon Alloy GEOMET Coated Rotor, Rear
46 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
DFC Hi-Carbon Alloy GEOMET Coated Rotor, Rear
Fitment: Fiat and Mazda, 124 Spider and MX-5 Miata
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

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.

BrandDynamite Friction
Part Number900-80072
PositionDFC Hi-Carbon Alloy GEOMET Coated Rotor, Rear
Discard Thickness7.5
Nominal Thickness9.5
Bolt Hole Diameter13.3
Inside Diameter55
Bolt Hole Quantity4
Outside Diameter280
Height35.85
Solid Or Vented Type RotorSolid

This part fits 46 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2025MazdaMX-5 MiataRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2024MazdaMX-5 MiataRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2023MazdaMX-5 MiataRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2022MazdaMX-5 MiataRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2021MazdaMX-5 MiataClubRearExcept Brembo Front Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor
2021MazdaMX-5 MiataGrand TouringRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2021MazdaMX-5 MiataSportRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2021MazdaMX-5 MiataClubRearBrembo Front Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor
2020Fiat124 SpiderClassicaRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2020Fiat124 SpiderAbarthRearAbarth excluding Brembo Performance Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor
2020Fiat124 SpiderUrbanaRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2020Fiat124 SpiderLussoRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2020Fiat124 SpiderAbarthRearAbarth Brembo Performance Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor
2020MazdaMX-5 MiataClubRearExcept Brembo Front Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor
2020MazdaMX-5 MiataGrand TouringRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2020MazdaMX-5 MiataSportRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2020MazdaMX-5 MiataClubRearBrembo Front Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor
2019Fiat124 SpiderClassicaRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2019Fiat124 SpiderAbarthRearAbarth excluding Brembo Performance Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor
2019Fiat124 SpiderUrbanaRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2019Fiat124 SpiderLussoRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2019Fiat124 SpiderAbarthRearAbarth Brembo Performance Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor
2019MazdaMX-5 MiataClubRearExcept Brembo Front Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor
2019MazdaMX-5 MiataGrand TouringRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2019MazdaMX-5 MiataSportRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2019MazdaMX-5 MiataClubRearBrembo Front Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor
2018Fiat124 SpiderClassicaRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2018Fiat124 SpiderAbarthRearAbarth excluding Brembo Performance Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor
2018Fiat124 SpiderLussoRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2018Fiat124 SpiderAbarthRearAbarth Brembo Performance Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor
2018MazdaMX-5 MiataClubRearExcept Brembo Front Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor
2018MazdaMX-5 MiataGrand TouringRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2018MazdaMX-5 MiataSportRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2018MazdaMX-5 MiataClubRearBrembo Front Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor
2017Fiat124 SpiderClassicaRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2017Fiat124 SpiderAbarthRearAbarth excluding Brembo Performance Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor
2017Fiat124 SpiderLussoRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2017Fiat124 SpiderAbarthRearAbarth Brembo Performance Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor
2017MazdaMX-5 MiataClubRearExcept Brembo Front Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor
2017MazdaMX-5 MiataGrand TouringRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2017MazdaMX-5 MiataSportRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2017MazdaMX-5 MiataClubRearBrembo Front Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor
2016MazdaMX-5 MiataClubRearExcept Brembo Front Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor
2016MazdaMX-5 MiataGrand TouringRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2016MazdaMX-5 MiataSportRearDFC Hi-Carbon Alloy GEOMET Coated Rotor
2016MazdaMX-5 MiataClubRearBrembo Front Brakes; DFC Hi-Carbon Alloy GEOMET Coated Rotor

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.