Raybestos 980420R Disc Brake Rotor - Rear

Overview of Raybestos R-Line Disc Brake Rotor 980420R

The Raybestos R-Line Disc Brake Rotor 980420R is engineered for reliable braking performance on select Hyundai and Kia vehicles. Designed as a solid, drum-in-hat type rotor, it offers precise fitment and consistent stopping power for models like the Hyundai Sonata and Kia Optima.

• Solid disc brake rotor with drum-in-hat design
• Outside diameter: 11.178 inches (283.9 mm)
• Nominal thickness: 0.393 inches (10.0 mm)
• Discard thickness: 0.331 inches (8.4 mm)
• Overall height: 2.142 inches (54.4 mm)
• Mounting bolt hole quantity: 5 with 4.5 inch (114.3 mm) bolt circle diameter
• Compatible with Hyundai Azera, Sonata, Tucson and Kia Cadenza, Optima

Detailed Product Specifications

This Raybestos R-Line rotor (part number 980420R) features a solid construction optimized for vehicles requiring a drum-in-hat style rotor. The rotor’s outside diameter measures 11.178 inches, ensuring proper contact with brake pads for effective stopping. Its nominal thickness of 0.393 inches provides durability, while the discard thickness of 0.331 inches indicates the minimum safe thickness before replacement is necessary. The overall height of 2.142 inches supports proper alignment within the brake assembly. The rotor includes five mounting bolt holes arranged on a 4.5 inch bolt circle diameter, matching the hub specifications of compatible Hyundai and Kia models.

Raybestos R-Line Product Line Information

The R-Line by Raybestos is a product line focused on delivering dependable brake components that meet or exceed OEM specifications. This line emphasizes precise fitment and consistent performance, making it suitable for drivers seeking reliable replacement parts for their Hyundai and Kia vehicles. The 980420R rotor exemplifies the R-Line’s commitment to quality and compatibility within its category.

Applications and Problem Solving

• Replacement for worn or warped rotors on Hyundai Sonata and Kia Optima
• Addresses brake pulsation caused by uneven rotor thickness
• Restores proper braking performance on vehicles with drum-in-hat rotor design
• Prevents brake noise and vibration due to rotor wear
• Ensures safe stopping distances by maintaining correct rotor thickness

Installation Notes and Tips

When installing the Raybestos R-Line 980420R rotor, ensure the mounting surface is clean and free of debris to prevent misalignment. Verify the rotor thickness before installation to confirm it meets or exceeds the discard thickness specification of 0.331 inches. Use proper torque specifications on the five mounting bolts arranged on the 4.5 inch bolt circle diameter. It is recommended to replace brake pads simultaneously to maintain optimal braking performance.

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet strict quality standards, ensuring durability and consistent braking performance. While specific warranty details for part number 980420R should be confirmed with the supplier, Raybestos typically offers coverage against defects in materials and workmanship. This rotor is designed to provide reliable service life when installed and maintained according to manufacturer guidelines.