Raybestos 66688 Disc Brake Rotor and Hub Assembly - Front

Overview of Raybestos 66688 Disc Brake Rotor and Hub Assembly

The Raybestos Specialty - Truck Disc Brake Rotor and Hub Assembly, part number 66688, is engineered for reliable braking performance on Ford trucks. Designed specifically for Ford F-150, F-250, and F-250 HD models, this assembly ensures precise fitment and consistent operation under demanding conditions.

• Compatible with Ford F-150, F-250, and F-250 HD
• Includes disc brake rotor and hub assembly
• Mounting bolt hole quantity: 7
• Mounting bolt hole circle diameter: 150 mm (5.906 inches)
• Mounting bolt hole diameter: 14.3 mm (0.563 inches)
• Nominal rotor thickness: 30.1 mm (1.185 inches)
• Discard rotor thickness: 27.7 mm (1.091 inches)
• Stud/lug hole quantity: 7

Detailed Product Specifications

This disc brake rotor and hub assembly features a 7-bolt mounting pattern with a bolt circle diameter of 150 mm (5.906 inches), ensuring secure attachment to the vehicle hub. The mounting bolt holes measure 14.3 mm (0.563 inches) in diameter, matching factory specifications for the Ford F-150, F-250, and F-250 HD. The rotor's nominal thickness is 30.1 mm (1.185 inches), with a discard thickness of 27.7 mm (1.091 inches), providing clear guidelines for maintenance and replacement intervals. The 7 stud/lug holes correspond to the wheel mounting requirements of these Ford truck models.

About the Raybestos Specialty - Truck Product Line

The Specialty - Truck line by Raybestos is designed to meet the specific demands of truck applications, focusing on durability and precise fitment. This product line addresses the heavier load and braking requirements typical of trucks like the Ford F-150 and F-250 series. The 66688 disc brake rotor and hub assembly is part of this line, offering components engineered to maintain braking efficiency and vehicle safety under truck operating conditions.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Ford F-150, F-250, and F-250 HD
• Restores proper brake rotor thickness to prevent brake fade
• Addresses issues with hub assembly wear affecting wheel alignment
• Solves mounting bolt hole damage or corrosion problems
• Improves braking stability and reduces vibration during stops

Installation Notes and Tips

Ensure the mounting surface is clean and free of debris before installation. Verify the bolt hole pattern and diameter match the vehicle specifications. Use a calibrated torque wrench to tighten mounting bolts to manufacturer-recommended torque values. Inspect the hub assembly for any signs of wear or damage prior to installation. It is recommended to replace brake pads simultaneously to ensure optimal braking performance.

Quality Assurance and Warranty

Raybestos products undergo rigorous quality control to meet OEM standards for fit and function. The Specialty - Truck disc brake rotor and hub assembly is manufactured to provide consistent performance and durability. Warranty coverage details should be confirmed with the product documentation or supplier, as they may vary by region and application.