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DuraGo BR900424 Disc Brake Rotor - Front
| Brand | DuraGo BR900424 |
|---|---|
| Position | Front |
| Material | Cast iron |
| Discard Thickness | 0.79 |
| Discard Thickness | 20 |
| Nominal Thickness | 0.87 |
| Nominal Thickness | 22 |
| Construction | Full cast |
| Rust Resistant Coating | No |
| Overall Height | 1.81 |
| Overall Height | 46 |
| Outside Diameter | 10.62 |
| Outside Diameter | 269.7 |
| Mounting Bolt Hole Quantity | 4 |
| ABS Tone Ring Included | No |
| Solid Or Vented Type Rotor | Vented |
| Center Hole Diameter | 2.17 |
| Center Hole Diameter | 55 |
| Mounting Bolt Hole Circle Diameter | 100 |
| Mounting Bolt Hole Circle Diameter | 3.94 |
| Mounting Bolt Hole Diameter | 0.51 |
| Mounting Bolt Hole Diameter | 13 |
| Directional or Non-Directional Brake Surface | Non-directional |
| Conventional Or Drum-In-Hat Type Rotor | Conventional |
| Cross Drilled | No |
| Slotted | No |
| Fits | Mazda · 5 vehicles |
OE-style fit. Built for fit, form, and function in a conventional brake rotor design.
Vented cast iron. Full cast construction with a vented design for everyday brake service.
Non-directional surface. Simplifies resurfacing and routine maintenance during brake work.
Cross-references Gates 31379, Parts Authority PRT5887 and Raybestos Brakes 980315 for the same application. See all 10.
Overview
DuraGo BR900424 is a vented disc brake rotor for select Mazda Miata applications with sport suspension. It is built from cast iron in a full cast construction and uses a non-directional brake surface for consistent serviceability.
This rotor fits 2001-2005 Mazda Miata, front, sport suspension. The BR900424 part number is also referenced in interchange listings for related applications.
Key Features
- Cast iron, full cast rotor construction
- Vented design for brake heat management
- Non-directional brake surface for easier resurfacing and service
- Conventional rotor design with 4 mounting bolt holes
- Outside diameter: 10.62 in. (269.7 mm)
- Center hole diameter: 2.17 in. (55 mm)
Product Details
The DuraGo BR900424 is engineered for fit, form, and function in applications that call for a conventional vented brake rotor. Its cast iron, full cast design provides the structural foundation expected in everyday brake service, while the non-directional surface supports straightforward maintenance. With a 100 mm bolt circle and 13 mm mounting bolt holes, this rotor is specified for the Mazda Miata front brake application listed here. The BR900424 part number appears in cross-reference listings, including Raybestos Brakes 980315, for the same application.
Common Uses
- Replacing a worn or below-spec brake rotor
- Restoring braking performance affected by heat wear
- Addressing brake pulsation from rotor surface wear
- Servicing a rotor that no longer meets thickness specifications
Installation Notes
Verify rotor diameter, bolt pattern, center bore, and thickness before installation. Confirm the vehicle is equipped with the listed sport suspension application and inspect pads, calipers, and hub surfaces during service. Follow factory torque procedures and brake-in recommendations after installation.
Quality Assurance
DuraGo manufactures this rotor in ISO-certified factories and backs its brake drum and rotor program with a focus on fit, form, and function. The brand has over 45 years of aftermarket manufacturing experience, and BR900424 is part of its professional brake program.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Mazda | Miata | Front | Sport Suspension |
| 2004 | Mazda | Miata | Front | Sport Suspension |
| 2003 | Mazda | Miata | Front | Sport Suspension |
| 2002 | Mazda | Miata | Front | Sport Suspension |
| 2001 | Mazda | Miata | Front | Sport Suspension |
| No rows match your filter. | ||||