Raybestos 980379R Disc Brake Rotor - Rear

Overview of Raybestos R-Line Disc Brake Rotor 980379R

The Raybestos R-Line Disc Brake Rotor 980379R is engineered for reliable braking performance on select BMW models. Designed specifically for BMW 525i, 528i, and 530i vehicles, this vented rotor ensures consistent heat dissipation and durability under demanding driving conditions.

• Compatible with BMW 525i, 528i, and 530i models
• Part number 980379R for precise identification
• Vented disc brake rotor design for improved cooling
• Overall height of 2.480 inches (63.000 mm)
• Outside diameter measuring 12.589 inches (319.750 mm)
• Mounting bolt hole quantity: 5 with 4.724 inch (120.000 mm) bolt circle diameter
• Center hole diameter of 2.953 inches (75.000 mm)
• Nominal thickness of 0.787 inches (20.000 mm) with discard thickness at 0.724 inches (18.400 mm)
• Conventional rotor type suitable for drum-in-hat applications

Detailed Product Specifications

The Raybestos R-Line 980379R disc brake rotor features a vented design that enhances heat dissipation during braking, reducing the risk of brake fade. With an overall height of 2.480 inches and an outside diameter of 12.589 inches, this rotor fits precisely on BMW 525i, 528i, and 530i models. The rotor includes five mounting bolt holes arranged on a 4.724 inch bolt circle diameter, ensuring secure installation. The center hole diameter of 2.953 inches allows for proper hub fitment. The nominal thickness of 0.787 inches provides a solid braking surface, while the discard thickness of 0.724 inches indicates the minimum safe thickness before replacement is necessary. This conventional rotor is designed for drum-in-hat configurations, making it compatible with the specified BMW vehicles.

About the Raybestos R-Line Product Line

The R-Line by Raybestos is a product line focused on delivering dependable braking components that meet or exceed OEM specifications. This line emphasizes quality materials and precise manufacturing processes to provide rotors that maintain consistent performance and durability. The 980379R rotor is part of this line, offering a balance of performance and reliability tailored for BMW applications.

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
• Improving heat dissipation to prevent brake fade during extended use
• Resolving noise or vibration issues related to rotor surface irregularities
• Ensuring proper fitment for BMW 525i, 528i, and 530i brake systems

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets minimum specifications
• Clean mounting surfaces to prevent uneven rotor seating
• Torque mounting bolts to manufacturer specifications for secure fitment
• Inspect brake pads and replace if worn to maintain optimal braking performance
• Perform a test drive to confirm proper brake operation after installation

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet stringent quality standards, ensuring consistent performance and durability. While specific warranty details for part number 980379R may vary, Raybestos typically offers coverage against defects in materials and workmanship. It is recommended to consult product documentation or the manufacturer for exact warranty terms.