Raybestos 980285R Disc Brake Rotor - Rear

Overview of Raybestos R-Line Disc Brake Rotor 980285R

The Raybestos R-Line Disc Brake Rotor 980285R is engineered for reliable braking performance on Mazda 3 and Mazda 3 Sport models. Designed as a solid, conventional rotor, it meets precise specifications to ensure proper fit and function for your vehicle's braking system.

• Compatible with Mazda 3 and Mazda 3 Sport models
• Solid disc brake rotor with conventional design
• Outside diameter: 10.430 inches (264.9 mm)
• Nominal thickness: 0.430 inches (10.9 mm)
• Discard thickness: 0.354 inches (9.0 mm)
• Overall height: 1.605 inches (40.75 mm)
• Mounting bolt hole quantity: 5 with 0.540 inch (13.7 mm) diameter
• Center hole diameter: 2.835 inches (72.0 mm)
• Mounting bolt hole circle diameter: 4.5 inches (114.3 mm)
• Stud/lug hole quantity: 5

Detailed Product Description

This Raybestos R-Line rotor, part number 980285R, is a solid disc brake rotor designed for conventional mounting on Mazda 3 and Mazda 3 Sport vehicles. The rotor features a 10.430-inch outside diameter and a nominal thickness of 0.430 inches, providing the necessary surface area and material thickness for effective braking. The discard thickness of 0.354 inches indicates the minimum allowable thickness before replacement is required, helping maintain safe braking performance. The rotor's overall height of 1.605 inches ensures proper alignment with the brake caliper and pads. With five mounting bolt holes and a 4.5-inch bolt circle diameter, this rotor fits securely on the vehicle hub. The center hole diameter of 2.835 inches allows for precise centering on the hub assembly.

The R-Line product line from Raybestos focuses on delivering dependable, OE-quality replacement parts that meet or exceed original equipment specifications. This rotor is engineered to provide consistent braking performance and durability for everyday driving conditions on compatible Mazda models.

Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation or noise
• Restores proper rotor thickness to maintain braking efficiency
• Addresses rotor surface damage such as scoring or uneven wear
• Ensures correct fitment for Mazda 3 and Mazda 3 Sport brake systems
• Improves brake pedal feel and stopping power consistency

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets discard specifications
• Clean hub surface to prevent rotor runout and ensure proper seating
• Torque mounting bolts to manufacturer specifications for secure fitment
• Inspect brake pads and calipers during rotor replacement for optimal system performance
• Perform a brake system test after installation to confirm proper operation

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details for part number 980285R should be confirmed with the supplier, Raybestos typically offers coverage against defects in materials and workmanship. Using this rotor helps maintain the integrity of your Mazda 3 or Mazda 3 Sport braking system with a component designed to meet original equipment requirements.