Raybestos 980302R Disc Brake Rotor - Rear

Overview of Raybestos R-Line Disc Brake Rotor 980302R

The Raybestos R-Line Disc Brake Rotor 980302R is engineered for Audi A8 and A8 Quattro models, providing reliable braking performance. This vented, conventional rotor is designed to meet the specific requirements of these vehicles, ensuring proper fit and function.

• Compatible with Audi A8 and A8 Quattro
• Part number 980302R for precise identification
• Vented disc brake rotor for improved heat dissipation
• Overall diameter of 10.585 inches (268.85 mm)
• Nominal thickness of 0.860 inches (21.85 mm) with discard thickness at 0.787 inches (20.00 mm)
• Five mounting bolt holes with a 4.409 inch (112 mm) bolt circle diameter
• Center hole diameter of 2.677 inches (68 mm)
• Overall height of 1.827 inches (46.4 mm)

Detailed Product Specifications

The Raybestos R-Line 980302R rotor features a vented design that enhances cooling during braking, reducing the risk of brake fade under demanding conditions. The rotor's nominal thickness is 0.860 inches (21.85 mm), with a discard thickness of 0.787 inches (20.00 mm), indicating when replacement is necessary to maintain safe braking performance. Its overall diameter measures 10.585 inches (268.85 mm), and it includes five mounting bolt holes arranged on a 4.409 inch (112 mm) bolt circle diameter, matching the factory specifications for Audi A8 and A8 Quattro models. The center hole diameter is 2.677 inches (68 mm), ensuring proper alignment on the hub. The rotor's overall height is 1.827 inches (46.4 mm), consistent with original equipment dimensions.

About the Raybestos R-Line Product Line

The R-Line by Raybestos is a product line focused on delivering reliable, direct-fit brake components that meet or exceed OEM standards. This line is designed for drivers seeking dependable braking performance with parts engineered to match factory specifications. The 980302R rotor exemplifies the R-Line's commitment to quality and fitment accuracy for Audi vehicles.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Audi A8 and A8 Quattro
• Addresses brake pulsation caused by uneven rotor surfaces
• Improves heat dissipation to reduce brake fade during heavy use
• Restores proper rotor thickness for consistent braking response
• Ensures correct fitment to prevent mounting issues and vibrations

Installation Notes and Tips

• Verify rotor thickness before installation; replace if below discard thickness of 0.787 inches (20.00 mm)
• Ensure mounting surfaces are clean and free of debris for proper rotor seating
• Torque mounting bolts to manufacturer specifications to avoid rotor warping
• Inspect brake pads and hardware during rotor replacement for optimal system performance
• Follow vehicle-specific service manual instructions for brake system maintenance

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 980302R should be confirmed with the supplier, Raybestos typically offers limited warranties covering defects in materials and workmanship. This rotor is engineered to provide reliable service life when installed and maintained according to manufacturer guidelines.