Raybestos 980377R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 980377R

The Raybestos R-Line Disc Brake Rotor 980377R is engineered for Subaru vehicles including the B9 Tribeca, Legacy, Outback, Tribeca, and WRX models. This vented, conventional rotor is designed to meet precise specifications for reliable braking performance and durability.

• Compatible with Subaru B9 Tribeca, Legacy, Outback, Tribeca, and WRX
• Part number 980377R for exact fitment
• Vented disc brake rotor for improved heat dissipation
• Overall height: 2.225 inches (56.5 mm)
• Outside diameter: 12.425 inches (315.6 mm)
• Mounting bolt hole quantity: 5 with 4.5 inch (114.3 mm) bolt circle diameter
• Nominal thickness: 1.179 inches (29.95 mm)
• Discard thickness: 1.102 inches (28.0 mm)
• Conventional rotor type with 5 stud/lug holes

Detailed Product Description

The Raybestos R-Line 980377R disc brake rotor is a vented rotor designed to provide consistent braking performance for select Subaru models. Its 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 1.179 inches (29.95 mm) and a discard thickness of 1.102 inches (28.0 mm), ensuring it meets OEM specifications for safe operation. With an overall height of 2.225 inches (56.5 mm) and an outside diameter of 12.425 inches (315.6 mm), this rotor fits precisely on vehicles requiring a 5-bolt mounting pattern with a 4.5 inch (114.3 mm) bolt circle diameter. The conventional drum-in-hat style rotor is designed for direct replacement on compatible Subaru models.

Raybestos R-Line Product Line Information

The R-Line by Raybestos is a product line focused on delivering reliable, OEM-quality brake components. This line emphasizes precise fitment and consistent performance, making it suitable for drivers who require dependable braking parts that meet factory specifications. The 980377R rotor exemplifies the R-Line’s commitment to quality and durability for Subaru vehicles.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors causing brake pulsation
• Upgrading from solid to vented rotors for improved heat management
• Resolving brake noise or vibration related to rotor thickness wear
• Restoring braking performance on Subaru B9 Tribeca, Legacy, Outback, Tribeca, and WRX
• Ensuring proper rotor fitment with 5-bolt mounting pattern

Installation Notes and Tips

• Verify rotor thickness before installation; discard if below 1.102 inches (28.0 mm)
• Ensure mounting surface and hub are clean and free of debris
• Torque mounting bolts to manufacturer specifications for safety
• Inspect brake pads and replace if worn to maintain optimal braking
• Perform a bed-in procedure after installation to ensure proper rotor and pad contact

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet or exceed OEM standards for fit, form, and function. Each 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. Consult product documentation for exact warranty terms.