OE Quality
60-Day Returns

DuraGo BR5485 Disc Brake Rotor - Rear
Durable Cast Iron Disc Brake Rotor for Ford, Mazda, and Mercury
The DuraGo BR5485 disc brake rotor is engineered to provide reliable braking performance for select Ford, Mazda, and Mercury vehicles. Designed with solid construction and precise dimensions, this rotor ensures consistent stopping power for models like the Ford Escort, Mazda Miata, and Mercury Tracer.
- Material: Full cast iron construction for durability
- Solid rotor design with no cross-drilling or slots
- Nominal thickness of 0.35 inches (9 mm) and discard thickness of 0.31 inches (8 mm)
- Outside diameter of 9.88 inches (251 mm) for exact fitment
- Four mounting bolt holes with a 3.94-inch (100 mm) bolt circle diameter
- Non-directional brake surface for versatile installation
- Compatible with Ford Escort, Mazda Miata, MX-3, Protege, and Mercury Tracer
Technical Specifications and Construction Details
The DuraGo BR5485 rotor features a full cast iron construction, providing a solid and durable braking surface. With a nominal thickness of 0.35 inches (9 mm) and a discard thickness of 0.31 inches (8 mm), this rotor maintains structural integrity throughout its service life. The rotor’s overall height measures 1.38 inches (35 mm), and it includes four mounting bolt holes sized at 0.52 inches (13.2 mm) diameter, arranged on a 3.94-inch (100 mm) bolt circle diameter. This conventional, solid rotor design does not include an ABS tone ring, cross-drilling, or slotted features, making it suitable for standard braking applications on compatible vehicles.
Compatible Vehicles and Applications
This disc brake rotor is specifically designed for use on select models from Ford, Mazda, and Mercury. It is compatible with the Ford Escort, Mazda Miata, Mazda MX-3, Mazda Protege, and Mercury Tracer. The DuraGo BR5485 rotor is ideal for drivers seeking a direct replacement rotor that meets OEM specifications for these vehicles.
- Replacement for worn or warped rotors on compatible models
- Addresses brake pulsation and noise issues
- Restores proper rotor thickness for safe braking
- Suitable for routine brake system maintenance
- Helps maintain consistent brake pad contact and performance
Installation Notes and Tips
When installing the DuraGo BR5485 rotor, ensure the rotor surface is clean and free of any rust or debris before mounting. Verify that the rotor thickness meets or exceeds the discard thickness of 0.31 inches (8 mm) to maintain safety standards. Use proper torque specifications for the four mounting bolts to avoid rotor warping. Since this rotor is non-directional, it can be installed on either side of the vehicle without concern for rotation direction. It is recommended to replace brake pads simultaneously to ensure optimal braking performance.
Quality Assurance and Warranty Information
DuraGo manufactures the BR5485 rotor to meet industry standards for durability and performance. While this rotor does not feature a rust-resistant coating, its full cast iron construction provides reliable wear resistance under normal operating conditions. DuraGo offers a limited warranty against defects in materials and workmanship, providing confidence in the product’s quality for compatible Ford, Mazda, and Mercury vehicles.
| Brand | DuraGo |
|---|---|
| Part Number | BR5485 |
| ABS Tone Ring Included | No |
| Center Hole Diameter | 2.17 |
| Center Hole Diameter | 55 |
| Construction | Full Cast |
| Conventional Or Drum-In-Hat Type Rotor | Conventional |
| Cross Drilled | No |
| Directional or Non-Directional Brake Surface | Non-Directional |
| Discard Thickness | 0.31 |
| Discard Thickness | 8 |
| Material | Cast Iron |
| Mounting Bolt Hole Circle Diameter | 3.94 |
| Mounting Bolt Hole Circle Diameter | 100 |
| Mounting Bolt Hole Diameter | 0.52 |
| Mounting Bolt Hole Diameter | 13.2 |
| Mounting Bolt Hole Quantity | 4 |
| Nominal Thickness | 0.35 |
| Nominal Thickness | 9 |
| Outside Diameter | 9.88 |
| Outside Diameter | 251 |
| Overall Height | 1.38 |
| Overall Height | 35 |
| Rust Resistant Coating | No |
| Slotted | No |
| Solid Or Vented Type Rotor | Solid |
This part fits 46 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Mazda | Miata | Rear | Normal Suspension |
| 2004 | Mazda | Miata | Rear | Normal Suspension |
| 2003 | Ford | Escort | Rear | |
| 2003 | Mazda | Miata | Rear | Normal Suspension |
| 2002 | Ford | Escort | Rear | |
| 2002 | Mazda | Miata | Rear | Normal Suspension |
| 2001 | Ford | Escort | Rear | |
| 2001 | Mazda | Miata | Rear | Normal Suspension |
| 2000 | Ford | Escort | Rear | |
| 2000 | Mazda | Miata | Rear | |
| 1999 | Ford | Escort | Rear | |
| 1999 | Mazda | Miata | Rear | |
| 1999 | Mercury | Tracer | Rear | |
| 1998 | Ford | Escort | Rear | |
| 1998 | Mazda | Protege | Rear | |
| 1998 | Mercury | Tracer | Rear | |
| 1997 | Ford | Escort | Rear | |
| 1997 | Mazda | Miata | Rear | |
| 1997 | Mazda | Protege | Rear | |
| 1997 | Mercury | Tracer | Rear | |
| 1996 | Ford | Escort | Rear | |
| 1996 | Mazda | Miata | Rear | |
| 1996 | Mazda | Protege | Rear | |
| 1996 | Mercury | Tracer | Rear | |
| 1995 | Ford | Escort | Rear | |
| 1995 | Mazda | Miata | Rear | |
| 1995 | Mazda | MX-3 | Rear | |
| 1995 | Mazda | Protege | Rear | |
| 1995 | Mercury | Tracer | Rear | |
| 1994 | Ford | Escort | Rear | |
| 1994 | Mazda | Miata | Rear | |
| 1994 | Mazda | MX-3 | Rear | |
| 1994 | Mazda | Protege | Rear | |
| 1994 | Mercury | Tracer | Rear | |
| 1993 | Ford | Escort | Rear | |
| 1993 | Mazda | MX-3 | Rear | |
| 1993 | Mazda | Protege | Rear | |
| 1993 | Mercury | Tracer | Rear | |
| 1992 | Ford | Escort | Rear | |
| 1992 | Mazda | MX-3 | Rear | |
| 1992 | Mazda | Protege | Rear | |
| 1992 | Mercury | Tracer | Rear | |
| 1991 | Ford | Escort | Rear | |
| 1991 | Mazda | Protege | Rear | |
| 1991 | Mercury | Tracer | Rear | |
| 1990 | Mazda | Protege | Rear |
* 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.