Raybestos 66677R Disc Brake Rotor and Hub Assembly - Front

Reliable Disc Brake Rotor and Hub Assembly for Ford Vehicles

The Raybestos R-Line 66677R disc brake rotor and hub assembly is engineered for precise fitment on Ford Bronco and F-150 models. Designed to meet OEM specifications, this assembly ensures consistent braking performance and durability.

• Compatible with Ford Bronco and Ford F-150 models
• Part number 66677R for accurate identification
• Mounting bolt hole quantity: 5
• Mounting bolt hole circle diameter: 139.7 mm (5.5 inches)
• Nominal rotor thickness: 1.025 inches (26.05 mm)
• Discard thickness: 0.960 inches (24.4 mm)
• Stud/lug hole quantity: 5

Detailed Specifications and Product Line Information

The Raybestos R-Line product line focuses on delivering reliable brake components that meet strict quality standards. The 66677R disc brake rotor and hub assembly features a nominal thickness of 1.025 inches, providing a solid braking surface, while the discard thickness of 0.960 inches indicates the minimum safe thickness before replacement is necessary. The assembly includes five mounting bolt holes arranged on a 139.7 mm bolt circle diameter, ensuring proper alignment and fitment on compatible Ford Bronco and F-150 models. This part is designed to maintain consistent braking performance and vehicle safety under normal operating conditions.

Applications and Problem Solving

• Replacement for worn or warped rotors on Ford Bronco and F-150
• Addresses brake pulsation caused by uneven rotor surfaces
• Restores proper rotor thickness for effective braking
• Solves issues related to hub assembly wear or damage
• Ensures secure mounting with correct bolt hole pattern and quantity

Installation Notes and Tips

When installing the Raybestos R-Line 66677R rotor and hub assembly, verify the mounting bolt hole pattern matches your vehicle’s specifications. Measure rotor thickness before installation to ensure it meets or exceeds the nominal thickness of 1.025 inches. Replace the rotor if thickness is below the discard thickness of 0.960 inches. Proper torque specifications should be followed for mounting bolts to maintain safety and performance.

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 66677R are not provided here, Raybestos typically offers coverage against defects in materials and workmanship. Always consult product documentation or manufacturer resources for complete warranty information.