Raybestos 96863R Disc Brake Rotor and Hub Assembly - Rear

Overview of Raybestos R-Line Disc Brake Rotor and Hub Assembly

The Raybestos R-Line 96863R disc brake rotor and hub assembly is engineered for reliable braking performance on Audi A4 and A4 Quattro models. Designed to meet precise fitment specifications, this assembly ensures proper installation and consistent operation.

• Compatible with Audi A4 and A4 Quattro vehicles
• Includes disc brake rotor and hub assembly
• Mounting bolt hole quantity: 5
• Mounting bolt hole circle diameter: 112 mm (4.409 inches)
• Mounting bolt hole diameter: 38.1 mm (1.5 inches)
• Nominal rotor thickness: 10.000 mm (0.394 inches)
• Discard rotor thickness: 8.000 mm (0.315 inches)
• Stud/lug hole quantity: 5

Raybestos R-Line Product Line Details

The R-Line by Raybestos is a product line focused on delivering dependable brake components that align with original equipment specifications. This disc brake rotor and hub assembly is part of the R-Line, which emphasizes precise fitment and durability for vehicles like the Audi A4 and A4 Quattro, ensuring consistent braking performance and ease of installation.

Technical Specifications and Features

The 96863R assembly features a nominal rotor thickness of 10.000 mm, with a discard thickness of 8.000 mm, indicating when the rotor should be replaced to maintain safe braking. The assembly includes five mounting bolt holes arranged on a 112 mm bolt circle diameter, with each hole measuring 38.1 mm in diameter. The stud/lug hole count is also five, matching the wheel configuration of compatible Audi models. These precise measurements ensure a secure fit and proper alignment with the vehicle’s braking system.

Applications and Problem Solving

• Replacement for worn or warped rotors on Audi A4 and A4 Quattro
• Addresses brake pulsation caused by uneven rotor surfaces
• Resolves noise issues related to damaged or out-of-spec rotors
• Restores proper hub alignment and wheel mounting stability
• Prevents premature brake wear due to rotor thickness below discard limits

Installation Notes and Tips

• Verify compatibility with Audi A4 or A4 Quattro before installation
• Check rotor thickness before installation to ensure it meets nominal specifications
• Use proper torque settings on mounting bolts to avoid warping
• Inspect hub and wheel studs for damage during replacement
• Follow manufacturer guidelines for brake system bleeding and testing after installation

Quality Assurance and Warranty

Raybestos R-Line brake components are manufactured to meet or exceed OEM standards, providing reliable performance and durability. While specific warranty details for part number 96863R should be confirmed with the supplier, Raybestos typically offers coverage against defects in materials and workmanship to support long-term use.