Raybestos 981058R Disc Brake Rotor - Rear

Overview of Raybestos R-Line Disc Brake Rotor 981058R

The Raybestos R-Line Disc Brake Rotor 981058R is engineered for reliable braking performance on Toyota Mirai and Prius V models. Designed as a solid, drum-in-hat type rotor, it offers precise fitment and consistent stopping power for these specific vehicles.

• Compatible with Toyota Mirai and Prius V
• Part number 981058R for exact replacement
• Solid disc brake rotor with drum-in-hat design
• 5 mounting bolt holes and 5 stud/lug holes for secure installation
• Smooth surface type for consistent pad contact
• Nominal thickness of 0.472 inches (12.000 mm) and discard thickness of 0.413 inches (10.500 mm)
• Outside diameter of 11.417 inches (290.000 mm)
• Inside diameter of 8.024 inches (203.800 mm)
• Overall height of 2.101 inches (53.350 mm)
• Center hole diameter of 2.441 inches (62.000 mm)
• Mounting bolt hole circle diameter of 4.500 inches (114.300 mm)

Raybestos R-Line Product Line Details

The R-Line by Raybestos focuses on delivering dependable brake components tailored for specific vehicle applications. This product line emphasizes precise engineering and quality materials to meet OEM specifications, ensuring that the 981058R rotor maintains proper fit and function for Toyota Mirai and Prius V models.

Technical Specifications and Features

This disc brake rotor features a solid construction with a drum-in-hat design, integrating the drum brake surface within the rotor hat area. The smooth surface finish supports even brake pad wear and consistent braking response. With a nominal thickness of 0.472 inches (12.000 mm) and a discard thickness of 0.413 inches (10.500 mm), this rotor provides a clear service limit for maintenance. The rotor’s outside diameter measures 11.417 inches (290.000 mm), while the inside diameter is 8.024 inches (203.800 mm), ensuring compatibility with the specified Toyota models. The 5 mounting bolt holes and stud/lug holes, along with a mounting bolt hole circle diameter of 4.500 inches (114.300 mm), allow for secure and precise installation.

Applications and Problem Solving

• Replacement for worn or warped rotors on Toyota Mirai and Prius V
• Addresses brake pulsation caused by uneven rotor surfaces
• Restores proper braking performance and pedal feel
• Prevents brake noise related to rotor surface irregularities
• Supports safe stopping by maintaining OEM thickness specifications

Installation Notes and Tips

Ensure the rotor surface is clean and free of debris before installation. Verify that the mounting bolt holes and lug holes align correctly with the vehicle hub. Measure rotor thickness to confirm it meets or exceeds the discard thickness limit of 0.413 inches (10.500 mm). Use proper torque specifications for mounting bolts to avoid rotor warping. It is recommended to replace brake pads simultaneously to optimize braking performance.

Quality Assurance

Raybestos R-Line rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The 981058R rotor undergoes rigorous quality control to ensure durability and consistent braking performance. While specific warranty details are not provided, Raybestos products typically come with manufacturer-backed quality guarantees to support long-term reliability.