Raybestos 66654R Disc Brake Rotor and Hub Assembly - Front

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

The Raybestos R-Line 66654R disc brake rotor and hub assembly is engineered for reliable braking performance on select Ford trucks. Designed specifically for Ford F-150, F-150 Heritage, F-250, and F-250 HD models, this assembly ensures proper fitment and consistent operation.

• Compatible with Ford F-150, F-150 Heritage, F-250, and F-250 HD
• Part number 66654R for precise identification
• Includes disc brake rotor and hub assembly
• Mounting bolt hole quantity: 7 with 150 mm bolt circle diameter
• Nominal rotor thickness: 1.185 inches (30.100 mm)
• Discard thickness: 1.091 inches (27.700 mm)
• Mounting bolt hole diameter: 0.563 inches (14.300 mm)
• Stud/lug hole quantity: 7

Detailed Product Specifications

This Raybestos R-Line disc brake rotor and hub assembly (part number 66654R) features a nominal thickness of 1.185 inches (30.100 mm), providing a solid braking surface for effective stopping power. The discard thickness is 1.091 inches (27.700 mm), indicating the minimum safe thickness before replacement is necessary. The assembly includes seven mounting bolt holes arranged on a 150 mm (5.906 inch) bolt circle diameter, with each hole measuring 0.563 inches (14.300 mm) in diameter. The seven stud/lug holes ensure secure attachment to the vehicle hub. These precise measurements guarantee compatibility and proper installation on Ford F-150, F-150 Heritage, F-250, and F-250 HD trucks.

About the Raybestos R-Line Product Line

The R-Line by Raybestos is a dedicated product line focused on delivering reliable brake components tailored for specific vehicle applications. This line emphasizes exact fitment and consistent performance, making it suitable for professional repairs and maintenance. The 66654R disc brake rotor and hub assembly is part of this line, ensuring it meets the standards expected for Ford truck brake systems.

Common Applications and Problem Resolution

• Replacement for worn or warped brake rotors on Ford F-150 and F-250 series trucks
• Addresses brake pulsation and vibration issues caused by uneven rotor surfaces
• Restores proper hub alignment and wheel mounting stability
• Solves noise and reduced braking efficiency due to rotor wear
• Prevents premature brake pad wear by maintaining correct rotor thickness

Installation Notes and Tips

• Verify vehicle compatibility with Ford F-150, F-150 Heritage, F-250, and F-250 HD models before installation
• Ensure mounting surfaces are clean and free of debris for proper fitment
• Torque mounting bolts to manufacturer specifications to avoid warping
• Inspect wheel studs and lug nuts for wear during installation
• Check rotor thickness against discard thickness to confirm usability

Quality Assurance and Warranty

Raybestos R-Line brake components are manufactured to meet industry standards for durability and performance. The 66654R disc brake rotor and hub assembly undergoes rigorous quality control to ensure consistent dimensions and material integrity. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.