Raybestos 6865R Disc Brake Rotor and Hub Assembly - Front

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

The Raybestos R-Line 6865R disc brake rotor and hub assembly is engineered for reliable braking performance on select Ford and Mazda vehicles. Designed to meet precise specifications, this assembly ensures proper fit and function for models like the Ford Ranger and Mazda B2300.

• Compatible with Ford Aerostar, B2300, B3000, B4000, Bronco II, and Ranger models
• Includes disc brake rotor and hub assembly with 5 mounting bolt holes
• Mounting bolt hole circle diameter of 114.3 mm (4.5 inches)
• Nominal rotor thickness of 0.875 inches (22.2 mm) with discard thickness at 0.810 inches (20.55 mm)
• Mounting bolt hole diameter of 0.54 inches (13.7 mm)
• Part number 6865R for accurate identification and replacement

Detailed Specifications and Features

This Raybestos R-Line disc brake rotor and hub assembly features a nominal thickness of 0.875 inches (22.2 mm), providing a solid braking surface that meets OEM standards. The discard thickness is set at 0.810 inches (20.55 mm), indicating the minimum safe thickness for rotor replacement. The assembly includes five mounting bolt holes arranged on a 114.3 mm (4.5 inch) bolt circle diameter, ensuring compatibility with the specified Ford and Mazda models. Each mounting hole measures 0.54 inches (13.7 mm) in diameter, designed to accommodate standard lug studs for secure installation.

R-Line Product Line Information

The Raybestos R-Line product line focuses on delivering dependable brake components that align with factory specifications. This line is tailored for drivers seeking direct replacement parts that maintain vehicle safety and performance without modification. The 6865R rotor and hub assembly exemplifies the R-Line commitment to quality and fitment accuracy for Ford and Mazda trucks and SUVs.

Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing rotor thickness below manufacturer discard limits
• Resolving hub assembly wear leading to wheel vibration or noise
• Upgrading brake components on Ford Ranger or Mazda B2300 for consistent stopping power
• Ensuring proper fitment on vehicles with 5-lug bolt patterns and 114.3 mm bolt circle diameter

Installation Notes and Tips

When installing the Raybestos R-Line 6865R rotor and hub assembly, verify the bolt hole pattern and diameter match your vehicle’s specifications. Clean the hub mounting surface to prevent runout and ensure proper rotor seating. Torque lug nuts to manufacturer specifications to avoid uneven wear. It is recommended to inspect wheel bearings and replace if necessary during installation.

Quality Assurance and Warranty

Raybestos R-Line brake components are manufactured to meet or exceed OEM standards, providing consistent performance and durability. While specific warranty details for part number 6865R should be confirmed with the supplier, Raybestos typically offers limited warranties covering defects in materials and workmanship.