Raybestos 982051R Disc Brake Rotor - Rear

Overview of Raybestos R-Line Disc Brake Rotor 982051R

The Raybestos R-Line Disc Brake Rotor 982051R is engineered for reliable braking performance on Lexus RX350, RX350L, RX450h, and RX450hL models. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and braking efficiency for these specific vehicles.

• Compatible with Lexus RX350, RX350L, RX450h, RX450hL
• Part Number: 982051R
• Vented disc brake rotor with smooth surface
• Overall diameter: 13.315 inches (338.2 mm)
• Nominal thickness: 0.705 inches (17.9 mm)
• Discard thickness: 0.650 inches (16.5 mm)
• Mounting bolt hole quantity: 5 with 0.571 inch (14.5 mm) diameter
• Center hole diameter: 2.445 inches (62.1 mm)
• Mounting bolt hole circle diameter: 4.5 inches (114.3 mm)
• Overall height: 1.559 inches (39.6 mm)

Detailed Product Description

This Raybestos R-Line disc brake rotor 982051R is a conventional vented rotor designed to meet the braking demands of Lexus RX series vehicles. The vented design improves heat dissipation during braking, reducing the risk of brake fade under normal driving conditions. The smooth surface finish ensures consistent pad contact and braking response. With a nominal thickness of 0.705 inches (17.9 mm) and a discard thickness of 0.650 inches (16.5 mm), this rotor provides a clear service life indicator to maintain safe braking performance. The rotor features a 5-bolt mounting pattern with a 4.5-inch (114.3 mm) bolt circle diameter, ensuring proper fitment on compatible Lexus models.

Raybestos R-Line Product Line

The R-Line by Raybestos is a product line focused on delivering reliable, OEM-quality brake components designed for direct replacement applications. This line emphasizes precise fitment and consistent performance, making it suitable for drivers seeking dependable braking parts without modifications. The 982051R rotor exemplifies the R-Line’s commitment to quality and compatibility with Lexus RX350 and RX450h series vehicles.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors causing brake pulsation
• Restores braking efficiency lost due to rotor thickness below discard limits
• Addresses noise and vibration issues from uneven rotor surfaces
• Improves heat dissipation to reduce brake fade during extended use
• Ensures proper fitment for Lexus RX350, RX350L, RX450h, RX450hL models

Installation Notes and Tips

• Verify rotor thickness before installation; replace if below 0.650 inches (16.5 mm)
• Ensure mounting surfaces and bolt holes are clean and free of debris
• Torque mounting bolts to manufacturer specifications for secure fitment
• Inspect brake pads for wear and replace if necessary to optimize rotor performance
• Perform a bed-in procedure after installation to ensure proper rotor and pad mating

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The 982051R rotor undergoes rigorous quality control to ensure durability and consistent braking performance. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship, providing confidence in the product’s reliability for Lexus RX350 and RX450h applications.