OE Quality
60-Day Returns

DuraGo BR31133 Disc Brake Rotor - Front
Reliable Disc Brake Rotor for Dodge Colt and Mitsubishi Mirage
The DuraGo BR31133 disc brake rotor is engineered to provide consistent braking performance for Dodge Colt and Mitsubishi Mirage vehicles. Crafted from durable cast iron, this rotor offers a vented design to help maintain optimal operating temperatures during braking.
- Material: Full cast iron construction for strength and durability
- Vented rotor design to improve heat dissipation
- Nominal thickness of 0.71 inches (18 mm) with discard thickness at 0.65 inches (16.4 mm)
- Outside diameter measures 9.29 inches (236 mm) for precise fitment
- Mounting bolt hole pattern: 4 holes with 0.5 inch (12.8 mm) diameter and 3.94 inch (100 mm) bolt circle diameter
- Non-directional brake surface suitable for standard installation
- Conventional rotor type compatible with drum-in-hat systems
Durable Construction and Design Features
The DuraGo BR31133 rotor is made from full cast iron, providing a solid and reliable braking surface. Its vented design allows air to flow between the rotor faces, reducing heat buildup and helping to prevent brake fade during extended use. The rotor’s overall height is 1.77 inches (45 mm), and it features a center hole diameter of 2.52 inches (64 mm) to ensure proper alignment on the hub. This rotor does not include an ABS tone ring and is designed without cross-drilled or slotted surfaces, making it suitable for drivers seeking a straightforward replacement part.
Compatible Vehicles and Applications
This disc brake rotor is specifically compatible with Dodge Colt and Mitsubishi Mirage models. The part number BR31133 ensures you receive the correct rotor designed to meet the specifications of these vehicles. It is ideal for addressing common braking issues such as:
- Uneven or worn rotor surfaces causing vibration
- Reduced braking efficiency due to rotor warping
- Excessive brake noise from damaged rotors
- Brake fade from overheating during extended stops
- Corrosion-related rotor surface degradation (note: this rotor does not have rust-resistant coating)
Installation Notes and Tips
When installing the DuraGo BR31133 rotor, ensure the mounting surface is clean and free of debris to promote proper seating. Verify the rotor thickness before installation; replace if below the discard thickness of 0.65 inches (16.4 mm). Since this rotor is non-directional, it can be installed on either side of the vehicle without concern for rotation direction. Use the correct torque specifications for the 4 mounting bolts to avoid rotor distortion.
Quality Assurance and Warranty
DuraGo manufactures the BR31133 rotor to meet industry standards for performance and durability. While this rotor does not feature a rust-resistant coating, its full cast iron construction provides reliable service life under normal driving conditions. Please refer to DuraGo’s warranty policy for specific coverage details related to this part number.
| Brand | DuraGo |
|---|---|
| Part Number | BR31133 |
| ABS Tone Ring Included | No |
| Center Hole Diameter | 2.52 |
| Center Hole Diameter | 64 |
| Construction | Full Cast |
| Conventional Or Drum-In-Hat Type Rotor | Conventional |
| Cross Drilled | No |
| Directional or Non-Directional Brake Surface | Non-Directional |
| Discard Thickness | 0.65 |
| Discard Thickness | 16.4 |
| Material | Cast Iron |
| Mounting Bolt Hole Circle Diameter | 3.94 |
| Mounting Bolt Hole Circle Diameter | 100 |
| Mounting Bolt Hole Diameter | 0.5 |
| Mounting Bolt Hole Diameter | 12.8 |
| Mounting Bolt Hole Quantity | 4 |
| Nominal Thickness | 0.71 |
| Nominal Thickness | 18 |
| Outside Diameter | 9.29 |
| Outside Diameter | 236 |
| Overall Height | 1.77 |
| Overall Height | 45 |
| Rust Resistant Coating | No |
| Slotted | No |
| Solid Or Vented Type Rotor | Vented |
This part fits 21 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | # Doors | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2002 | Mitsubishi | Mirage | Front | w/ 13 Inch Wheels | |||||
| 2001 | Mitsubishi | Mirage | Front | w/ 13 Inch Wheels | |||||
| 2000 | Mitsubishi | Mirage | Front | w/ 13 Inch Wheels | |||||
| 1999 | Mitsubishi | Mirage | Front | w/ 13 Inch Wheels | |||||
| 1998 | Mitsubishi | Mirage | Front | ||||||
| 1997 | Mitsubishi | Mirage | Front | ||||||
| 1996 | Mitsubishi | Mirage | Sedan | 4 Door | Front | ||||
| 1996 | Mitsubishi | Mirage | LS | Coupe | 2 Door | 1.8L | L4 | Front | |
| 1995 | Mitsubishi | Mirage | Sedan | 4 Door | Front | ||||
| 1995 | Mitsubishi | Mirage | LS | Coupe | 2 Door | 1.8L | L4 | Front | |
| 1995 | Mitsubishi | Mirage | ES | Coupe | 2 Door | 1.8L | L4 | Front | |
| 1994 | Dodge | Colt | Sedan | 4 Door | Front | ||||
| 1994 | Dodge | Colt | Base | Sedan | 2 Door | Front | Med. & High Series | ||
| 1994 | Dodge | Colt | ES | Sedan | 2 Door | Front | Med. & High Series | ||
| 1994 | Mitsubishi | Mirage | Sedan | 4 Door | Front | ||||
| 1994 | Mitsubishi | Mirage | LS | Coupe | 2 Door | 1.8L | L4 | Front | |
| 1994 | Mitsubishi | Mirage | ES | Coupe | 2 Door | 1.8L | L4 | Front | |
| 1993 | Dodge | Colt | Sedan | 4 Door | Front | ||||
| 1993 | Mitsubishi | Mirage | Sedan | 4 Door | Front | ||||
| 1993 | Mitsubishi | Mirage | LS | Front | |||||
| 1993 | Mitsubishi | Mirage | ES | Front |
* 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.