DuraGo BR31151 Disc Brake Rotor - Front

Overview of DuraGo BR31151 Disc Brake Rotor

The DuraGo BR31151 disc brake rotor is engineered for reliable braking performance on select Mazda vehicles. Designed specifically for Mazda Millenia and MPV models, this rotor offers a precise fit and consistent stopping power.

• Material: Durable cast iron construction
• Rotor Type: Vented disc brake rotor for improved heat dissipation
• Dimensions: 10.78 inch (273.7 mm) outside diameter, 1.1 inch (28 mm) nominal thickness
• Mounting: 5 bolt holes with 4.5 inch (114.3 mm) bolt circle diameter
• Design: Conventional, non-directional brake surface
• Center Hole Diameter: 2.84 inch (72.1 mm)
• No ABS tone ring included
• No rust resistant coating applied

Detailed Product Description

The DuraGo BR31151 rotor is constructed from full cast iron, providing a solid and durable braking surface suitable for Mazda Millenia and MPV vehicles. Its vented design enhances airflow to reduce heat buildup during braking, which helps maintain consistent performance and reduces the risk of brake fade. The rotor measures 10.78 inches in outside diameter and has a nominal thickness of 1.1 inches, with a discard thickness of 1.02 inches, ensuring it meets OEM specifications for safe replacement. The conventional, non-directional braking surface allows for flexible installation without concern for rotor orientation. This rotor does not include an ABS tone ring and lacks a rust resistant coating, so proper maintenance is recommended to prevent corrosion over time.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation or noise
• Restores braking efficiency on Mazda Millenia and MPV models
• Addresses rotor thickness below manufacturer discard limits
• Improves heat dissipation to reduce brake fade during heavy use
• Suitable for vehicles experiencing uneven brake pad wear or vibration

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (1.02 inches) before installation
• Clean rotor surface to remove any protective oils or residues prior to mounting
• Check compatibility with existing brake pads and hardware on Mazda Millenia or MPV
• Torque mounting bolts to manufacturer specifications using the 5-bolt pattern with 4.5 inch bolt circle diameter
• Inspect caliper and brake system components for wear during rotor replacement

Quality Assurance and Warranty

DuraGo disc brake rotors are manufactured to meet or exceed OEM standards for fit and function on compatible Mazda vehicles. While this product does not include a rust resistant coating, the cast iron construction provides reliable durability under normal operating conditions. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.