Raybestos 980312R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 980312R

The Raybestos R-Line Disc Brake Rotor 980312R is engineered for Toyota Prius models requiring reliable braking performance. This vented, conventional rotor is designed to meet specific thickness and dimensional standards to ensure proper fit and function.

• Compatible with Toyota Prius vehicles
• Vented disc brake rotor for improved heat dissipation
• Nominal thickness of 0.865 inches (21.950 mm)
• Discard thickness of 0.787 inches (20.000 mm)
• Overall height of 1.930 inches (49.000 mm)
• Outside diameter of 10.040 inches (255.000 mm)
• Five mounting bolt holes with 3.937 inch (100.000 mm) bolt circle diameter
• Center hole diameter of 2.168 inches (55.050 mm)
• Conventional rotor type with 5 stud/lug holes

Detailed Product Specifications

This Raybestos R-Line rotor (part number 980312R) is a vented disc brake rotor designed to provide consistent braking performance for Toyota Prius vehicles. The vented design helps dissipate heat more effectively than solid rotors, reducing the risk of brake fade during extended use. The rotor features a nominal thickness of 0.865 inches (21.950 mm) and a discard thickness of 0.787 inches (20.000 mm), ensuring it meets safety and performance standards. Its overall height is 1.930 inches (49.000 mm), with an outside diameter of 10.040 inches (255.000 mm), making it compatible with the specified vehicle fitment. The rotor includes five mounting bolt holes arranged on a 3.937 inch (100.000 mm) bolt circle diameter and a center hole diameter of 2.168 inches (55.050 mm), designed for a secure and precise fit.

About the Raybestos R-Line Product Line

The R-Line by Raybestos is a product line focused on delivering reliable, OEM-quality brake components. This line is engineered to meet or exceed original equipment specifications, providing a balance of performance and durability. The 980312R rotor is part of this line, offering Toyota Prius owners a dependable replacement option that aligns with factory standards.

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
• Resolving noise or vibration issues related to rotor surface irregularities
• Upgrading from solid to vented rotors for improved heat management
• Ensuring proper fitment and alignment with Toyota Prius brake assemblies

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets nominal specifications
• Clean rotor surface and hub mounting area to prevent uneven wear or vibration
• Torque mounting bolts to manufacturer specifications for secure fitment
• Inspect brake pads and calipers during installation for optimal braking system performance
• Follow Toyota Prius service manual guidelines for brake component replacement

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet strict quality control standards, ensuring consistent performance and durability. While specific warranty details for part number 980312R should be confirmed with the supplier, Raybestos typically offers limited warranties covering defects in materials and workmanship. This rotor is designed to comply with OEM specifications for Toyota Prius brake systems.