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DuraGo BR31003 Disc Brake Rotor - Front
Overview of DuraGo BR31003 Disc Brake Rotor
The DuraGo BR31003 is a vented disc brake rotor designed for reliable braking performance on select Dodge, Mitsubishi, and Plymouth vehicles. Engineered with cast iron construction, this rotor offers durability and consistent heat dissipation for models like the Dodge Stealth and Mitsubishi Eclipse.
- Material: Cast iron for strength and heat resistance
- Vented rotor design to improve cooling
- Nominal thickness of 0.94 inches (24 mm) with discard thickness at 0.88 inches (22.4 mm)
- Overall height of 1.77 inches (45 mm)
- Outside diameter of 10.87 inches (276 mm)
- 6 mounting bolt holes with a bolt circle diameter of 4.5 inches (114.3 mm)
- Non-directional brake surface for versatile installation
- Conventional rotor type without cross-drilled or slotted features
Detailed Product Description
The DuraGo BR31003 disc brake rotor is constructed from full cast iron, providing a solid and durable braking surface suitable for daily driving and moderate performance demands. Its vented design enhances airflow between the rotor faces, helping to reduce heat buildup during braking and maintain consistent stopping power. With a nominal thickness of 0.94 inches and a discard thickness of 0.88 inches, this rotor meets OEM specifications for thickness tolerances, ensuring safe and effective brake pad contact. The rotor’s 10.87-inch outside diameter and 6-bolt mounting pattern with a 4.5-inch bolt circle diameter make it compatible with a range of vehicles including the Dodge 3000GT, Mitsubishi Galant, and Plymouth Laser.
Compatible Vehicles and Applications
This rotor is compatible with the following makes and models:
- Dodge 3000GT and Stealth
- Mitsubishi Eclipse, Diamante, Galant, and Laser
- Plymouth Laser
It is designed for use in conventional braking systems without ABS tone rings and is suitable for vehicles requiring a non-directional, vented rotor.
Common Issues Addressed by DuraGo BR31003
- Brake rotor warping or uneven wear causing vibration
- Reduced braking efficiency due to overheating
- Excessive brake noise from worn or damaged rotors
- Brake pulsation during stopping
- Corrosion-related rotor surface degradation (note: this rotor does not have rust-resistant coating)
Installation Notes and Tips
- Ensure rotor thickness is above discard thickness (0.88 inches) before installation
- Clean mounting surface to prevent rotor runout
- Torque mounting bolts to manufacturer specifications
- Check compatibility with vehicle’s brake caliper and hub assembly
- Replace brake pads when installing new rotors for optimal performance
Quality Assurance and Warranty
DuraGo manufactures the BR31003 rotor to meet or exceed OEM standards for fit and function. The full cast iron construction ensures durability under normal operating conditions. While this rotor does not include a rust-resistant coating, proper maintenance can help extend its service life. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.
| Brand | DuraGo |
|---|---|
| Part Number | BR31003 |
| ABS Tone Ring Included | No |
| Center Hole Diameter | 2.72 |
| Center Hole Diameter | 69.2 |
| 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 | 4.5 |
| Mounting Bolt Hole Circle Diameter | 114.3 |
| Mounting Bolt Hole Diameter | 0.57 |
| Mounting Bolt Hole Diameter | 14.4 |
| Mounting Bolt Hole Quantity | 6 |
| Nominal Thickness | 0.94 |
| Nominal Thickness | 24 |
| Outside Diameter | 10.87 |
| Outside Diameter | 276 |
| Overall Height | 1.77 |
| Overall Height | 45 |
| Rust Resistant Coating | No |
| Slotted | No |
| Solid Or Vented Type Rotor | Vented |
This part fits 53 vehicles. Search below:
| Year | Make | Model | Submodel | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2004 | Mitsubishi | Diamante | Front | |||||
| 2003 | Mitsubishi | Diamante | Front | |||||
| 2002 | Mitsubishi | Diamante | Front | |||||
| 2001 | Mitsubishi | Diamante | Front | |||||
| 2001 | Mitsubishi | Galant | 3.0L | V6 | Front | |||
| 2000 | Mitsubishi | Diamante | Front | |||||
| 2000 | Mitsubishi | Galant | 3.0L | V6 | Front | |||
| 1999 | Mitsubishi | 3000GT | Base | Front | ||||
| 1999 | Mitsubishi | 3000GT | SL | Front | ||||
| 1999 | Mitsubishi | Diamante | Front | |||||
| 1999 | Mitsubishi | Eclipse | AWD | Front | ||||
| 1999 | Mitsubishi | Galant | 3.0L | V6 | Front | |||
| 1998 | Mitsubishi | 3000GT | Base | Front | ||||
| 1998 | Mitsubishi | 3000GT | SL | Front | ||||
| 1998 | Mitsubishi | Diamante | Front | |||||
| 1998 | Mitsubishi | Eclipse | AWD | Front | ||||
| 1997 | Mitsubishi | 3000GT | Base | Front | ||||
| 1997 | Mitsubishi | 3000GT | SL | Front | ||||
| 1997 | Mitsubishi | Diamante | Front | |||||
| 1997 | Mitsubishi | Eclipse | AWD | Front | ||||
| 1996 | Dodge | Stealth | FWD | Front | ||||
| 1996 | Mitsubishi | 3000GT | Base | Front | ||||
| 1996 | Mitsubishi | 3000GT | SL | Front | ||||
| 1996 | Mitsubishi | 3000GT | Spyder SL | Front | ||||
| 1996 | Mitsubishi | Diamante | Front | |||||
| 1996 | Mitsubishi | Eclipse | AWD | Front | ||||
| 1995 | Dodge | Stealth | FWD | Front | ||||
| 1995 | Mitsubishi | 3000GT | Base | Front | ||||
| 1995 | Mitsubishi | 3000GT | SL | Front | ||||
| 1995 | Mitsubishi | 3000GT | Spyder SL | Front | ||||
| 1995 | Mitsubishi | Diamante | Front | |||||
| 1995 | Mitsubishi | Eclipse | AWD | Front | ||||
| 1994 | Dodge | Stealth | FWD | Front | ||||
| 1994 | Mitsubishi | 3000GT | Base | Front | ||||
| 1994 | Mitsubishi | 3000GT | SL | Front | ||||
| 1994 | Mitsubishi | Diamante | Front | |||||
| 1994 | Mitsubishi | Eclipse | AWD | Front | ||||
| 1994 | Plymouth | Laser | AWD | Front | ||||
| 1993 | Dodge | Stealth | FWD | Front | ||||
| 1993 | Mitsubishi | 3000GT | Base | Front | ||||
| 1993 | Mitsubishi | 3000GT | SL | Front | ||||
| 1993 | Mitsubishi | Diamante | Front | |||||
| 1993 | Mitsubishi | Eclipse | AWD | Front | ||||
| 1993 | Plymouth | Laser | AWD | Front | ||||
| 1992 | Dodge | Stealth | FWD | Front | ||||
| 1992 | Mitsubishi | 3000GT | Base | Front | ||||
| 1992 | Mitsubishi | 3000GT | SL | Front | ||||
| 1992 | Mitsubishi | Eclipse | AWD | Front | ||||
| 1991 | Dodge | Stealth | FWD | Front | ||||
| 1991 | Mitsubishi | 3000GT | Base | Front | ||||
| 1991 | Mitsubishi | 3000GT | SL | Front | ||||
| 1991 | Mitsubishi | Eclipse | AWD | Front | ||||
| 1990 | Mitsubishi | Eclipse | AWD | 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.