DuraGo BR31366 Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Mazda 3 and 3 Sport

The DuraGo BR31366 disc brake rotor is engineered to provide consistent braking performance for Mazda 3 and Mazda 3 Sport models. Crafted from durable cast iron, this solid rotor is designed to meet the demands of everyday driving without the need for rust-resistant coatings.

Key Features of DuraGo BR31366 Disc Brake Rotor

• Material: Full cast iron construction for strength and durability
• Solid rotor design with no venting for straightforward maintenance
• Nominal thickness of 0.43 inches (11 mm) with discard thickness at 0.35 inches (9 mm)
• Overall height of 1.61 inches (40.9 mm) ensuring proper fitment
• Outside diameter of 11.02 inches (280 mm) compatible with specified Mazda models
• Five mounting bolt holes with a bolt circle diameter of 4.5 inches (114.3 mm)
• Non-directional brake surface suitable for standard brake pad wear
• Conventional rotor type without ABS tone ring or cross-drilled/slotted features

Detailed Description of the DuraGo BR31366 Rotor

This DuraGo disc brake rotor is designed specifically for Mazda 3 and Mazda 3 Sport vehicles, ensuring precise fitment and reliable braking performance. The rotor’s full cast iron construction provides a solid and stable braking surface, while the solid design simplifies installation and maintenance. With a nominal thickness of 0.43 inches and discard thickness of 0.35 inches, this rotor maintains structural integrity throughout its service life. The 11.02-inch outside diameter and 1.61-inch overall height align with factory specifications, making it a direct replacement part. The rotor does not include rust-resistant coating or ABS tone ring, reflecting a conventional design suitable for vehicles without advanced braking sensors.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors causing brake pulsation
• Restores braking efficiency on Mazda 3 and 3 Sport models
• Eliminates noise and vibration from uneven rotor surfaces
• Addresses rotor thickness below manufacturer discard limits
• Suitable for vehicles requiring solid, non-vented rotors

Installation Notes and Tips

• Ensure rotor thickness is within nominal specifications before installation
• Clean mounting surface to prevent rotor runout and vibration
• Use proper torque settings on mounting bolts to secure rotor
• Check compatibility with brake pads and calipers on Mazda 3 or 3 Sport
• Inspect related brake components during rotor replacement for optimal performance

Quality Assurance and Warranty Information

DuraGo disc brake rotors are manufactured to meet industry standards for durability and performance. The BR31366 rotor undergoes quality control inspections to ensure dimensional accuracy and material integrity. While no rust-resistant coating is applied, the cast iron construction provides reliable wear resistance under normal operating conditions. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.