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DuraGo BR31291 Disc Brake Rotor - Front
Durable Cast Iron Disc Brake Rotor for Mitsubishi Montero Sport
The DuraGo BR31291 disc brake rotor is engineered to provide reliable braking performance for your Mitsubishi Montero Sport. Designed with vented construction and precise dimensions, this rotor ensures consistent heat dissipation and smooth stopping power.
- Material: Full cast iron construction for durability
- Vented rotor design to improve heat dissipation
- Nominal thickness of 0.94 inches (24 mm) with discard thickness at 0.88 inches (22.4 mm)
- Outside diameter of 12.36 inches (314 mm) for exact fitment
- Six mounting bolt holes with a 4.25 inch (108 mm) bolt circle diameter
- Non-directional brake surface for versatile installation
- Compatible specifically with Mitsubishi Montero Sport models
Product Details and Specifications
The DuraGo BR31291 rotor is constructed from full cast iron, providing a solid and durable braking surface. Its vented design allows air to flow between the rotor faces, reducing heat buildup during braking and helping to prevent brake fade. The rotor measures 12.36 inches (314 mm) in outside diameter and has a nominal thickness of 0.94 inches (24 mm), with a discard thickness of 0.88 inches (22.4 mm), ensuring it meets OEM specifications for safe operation. The overall height is 1.78 inches (45.3 mm), and it features six mounting bolt holes with a 0.43 inch (10.8 mm) diameter, arranged on a 4.25 inch (108 mm) bolt circle diameter. This rotor does not include an ABS tone ring and is designed as a conventional, non-directional rotor without cross-drilling or slotting.
Compatible Vehicles and Applications
This disc brake rotor is compatible with Mitsubishi Montero Sport vehicles, providing a direct replacement for worn or damaged rotors. It is suitable for drivers seeking to maintain factory-level braking performance and safety.
- Replaces worn or warped rotors causing vibration or noise
- Addresses reduced braking efficiency due to rotor wear
- Solves issues with brake fade from overheating
- Eliminates pulsation felt through the brake pedal
- Restores proper rotor thickness for safe braking
Installation Notes and Tips
When installing the DuraGo BR31291 rotor, ensure the mounting surface is clean and free of rust or debris. Use proper torque specifications for the six mounting bolts to avoid rotor warping. Since this rotor is non-directional, it can be installed on either side of the vehicle. It is recommended to replace brake pads simultaneously to ensure optimal braking performance and rotor longevity.
Quality Assurance and Warranty
DuraGo manufactures this rotor to meet or exceed OEM standards for fit, form, and function. While this rotor does not feature a rust-resistant coating, its full cast iron construction provides reliable durability under normal operating conditions. Please refer to DuraGo's warranty policy for specific coverage details.
| Brand | DuraGo |
|---|---|
| Part Number | BR31291 |
| ABS Tone Ring Included | No |
| Center Hole Diameter | 3.43 |
| Center Hole Diameter | 87.1 |
| Construction | Full Cast |
| Conventional Or Drum-In-Hat Type Rotor | Conventional |
| Cross Drilled | No |
| Directional or Non-Directional Brake Surface | Non-Directional |
| Discard Thickness | 0.88 |
| Discard Thickness | 22.4 |
| Material | Cast Iron |
| Mounting Bolt Hole Circle Diameter | 4.25 |
| Mounting Bolt Hole Circle Diameter | 108 |
| Mounting Bolt Hole Diameter | 0.43 |
| Mounting Bolt Hole Diameter | 10.8 |
| Mounting Bolt Hole Quantity | 6 |
| Nominal Thickness | 0.94 |
| Nominal Thickness | 24 |
| Outside Diameter | 12.36 |
| Outside Diameter | 314 |
| Overall Height | 1.78 |
| Overall Height | 45.3 |
| Rust Resistant Coating | No |
| Slotted | No |
| Solid Or Vented Type Rotor | Vented |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2004 | Mitsubishi | Montero Sport | Front | 314 mm Rotor Diameter |
| 2003 | Mitsubishi | Montero Sport | Front | 314 mm Rotor Diameter |
| 2002 | Mitsubishi | Montero Sport | Front | 314 mm Rotor Diameter |
| 2001 | Mitsubishi | Montero Sport | Front | 314 mm Rotor Diameter |
| 2000 | Mitsubishi | Montero Sport | Front | 314 mm Rotor Diameter |
* 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.