DuraGo BR900454 Disc Brake Rotor - Front

Overview of DuraGo BR900454 Disc Brake Rotor

The DuraGo BR900454 is a cast iron disc brake rotor designed specifically for Mazda 6 models. Engineered for reliable braking performance, this rotor features a vented, full cast construction to help maintain optimal temperature during operation.

• Material: Durable cast iron for consistent wear resistance
• Vented rotor design for improved heat dissipation
• Nominal thickness: 0.98 inches (25 mm) with discard thickness at 0.91 inches (23 mm)
• Overall height: 1.82 inches (46.2 mm)
• Outside diameter: 12.59 inches (319.7 mm)
• Mounting bolt pattern: 5 holes with 4.5 inch (114.3 mm) bolt circle diameter
• Non-directional brake surface for flexible installation
• Conventional rotor type without ABS tone ring

Detailed Product Description

The DuraGo BR900454 disc brake rotor is constructed from full cast iron, providing a solid and durable braking surface for Mazda 6 vehicles. Its vented design allows air to flow between the rotor surfaces, reducing heat buildup and helping to prevent brake fade during extended use. With a nominal thickness of 0.98 inches and a discard thickness of 0.91 inches, this rotor meets precise specifications to ensure safe and effective braking performance. The rotor’s 12.59-inch outside diameter and 5-bolt mounting pattern with a 4.5-inch bolt circle diameter are engineered to match Mazda 6 factory standards, ensuring proper fitment and ease of installation.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing reduced braking efficiency due to rotor thickness below discard limits
• Eliminating noise and vibration from uneven rotor surfaces
• Upgrading to vented rotors for improved heat management in daily driving
• Ensuring compatibility with Mazda 6 brake systems requiring conventional, non-ABS tone ring rotors

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets minimum discard thickness
• Clean rotor surface and hub mounting area to prevent uneven contact
• Torque mounting bolts to manufacturer specifications for secure fitment
• Inspect brake pads and calipers during rotor replacement for optimal system performance
• Perform a proper bed-in procedure after installation to maximize rotor and pad life

Quality Assurance and Warranty

DuraGo disc brake rotors are manufactured to meet or exceed OEM standards for material and dimensional accuracy. While this product does not include a rust-resistant coating, the full cast iron construction provides reliable durability under normal operating conditions. Please consult DuraGo’s warranty policy for specific coverage details related to the BR900454 rotor.