Raybestos 980477R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 980477R

The Raybestos R-Line Disc Brake Rotor 980477R is engineered for reliable braking performance on select Lexus, Scion, and Toyota vehicles. Designed as a vented rotor, it offers efficient heat dissipation to maintain consistent stopping power under various driving conditions.

• Vented disc brake rotor for improved cooling
• Overall diameter of 10.827 inches (275 mm)
• Nominal thickness of 0.984 inches (25 mm) with discard thickness at 0.866 inches (22 mm)
• Five mounting bolt holes with a 4.5-inch (114.3 mm) bolt circle diameter
• Center hole diameter of 2.441 inches (62 mm)
• Conventional rotor type compatible with drum-in-hat setups

Detailed Specifications and Features

This Raybestos R-Line rotor features a vented design that enhances heat dissipation, reducing the risk of brake fade during extended use. The rotor’s overall height measures 1.819 inches (46.2 mm), providing the necessary clearance and fitment for compatible brake systems. With a nominal thickness of 0.984 inches (25 mm) and a discard thickness of 0.866 inches (22 mm), this rotor meets precise wear limits to ensure safe replacement intervals. The five mounting bolt holes and 4.5-inch (114.3 mm) bolt circle diameter align with factory specifications for Lexus HS250h, Scion xB, and Toyota Prius V and RAV4 models.

Raybestos R-Line Product Line

The R-Line series from Raybestos is designed to deliver dependable braking components that meet or exceed OEM standards. This product line focuses on providing rotors with consistent dimensions and material quality, suitable for drivers seeking reliable replacement parts for their vehicles. The 980477R rotor exemplifies the R-Line’s commitment to precision fitment and functional durability.

Compatible Vehicles and Common Applications

• Replacement rotor for Lexus HS250h models requiring vented disc brakes
• Suitable for Scion xB vehicles with five-lug mounting patterns
• Compatible with Toyota Prius V and RAV4 models needing conventional vented rotors
• Addresses issues such as brake noise, vibration, and reduced stopping power
• Ideal for resolving rotor wear beyond discard thickness limits

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (0.866 inches) before installation
• Verify bolt hole alignment with the 5-lug, 4.5-inch bolt circle diameter
• Clean rotor surface and hub mounting area to prevent uneven wear
• Use proper torque specifications on mounting bolts to avoid rotor warping
• Inspect brake pads and calipers during rotor replacement for optimal performance

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet strict quality control standards, ensuring consistent dimensions and material integrity. While specific warranty details for part number 980477R should be confirmed with the supplier, Raybestos typically offers limited warranties covering defects in materials and workmanship. This rotor is designed to provide reliable service life when installed and maintained according to manufacturer guidelines.