Raybestos 66670R Disc Brake Rotor - Rear

Overview of Raybestos R-Line Disc Brake Rotor 66670R

The Raybestos R-Line Disc Brake Rotor 66670R is engineered for reliable braking performance on Ford and Lincoln trucks and SUVs. Designed specifically for models like the Ford F-150, Expedition, and Lincoln Navigator, this rotor meets precise specifications to ensure proper fit and function.

• Part Number: 66670R
• Brand: Raybestos R-Line
• Type: Solid Disc Brake Rotor with Drum-in-Hat design
• Outside Diameter: 13.150 inches (334.0 mm)
• Nominal Thickness: 0.556 inches (14.1 mm)
• Discard Thickness: 0.472 inches (12.0 mm)
• Overall Height: 2.210 inches (56.15 mm)
• Mounting Bolt Hole Quantity: 5
• Center Hole Diameter: 3.443 inches (87.45 mm)
• Mounting Bolt Hole Circle Diameter: 5.315 inches (135.0 mm)
• Stud/Lug Hole Quantity: 5

Detailed Product Description

This Raybestos R-Line rotor 66670R features a solid disc design with a drum-in-hat configuration, combining the braking surface with an integrated parking brake drum. The rotor’s 13.150-inch outside diameter and 0.556-inch nominal thickness provide a durable braking surface, while the discard thickness of 0.472 inches indicates the minimum safe thickness before replacement is necessary. The overall height of 2.210 inches ensures compatibility with the specified vehicle models. The rotor includes five mounting bolt holes and lug holes, with a bolt circle diameter of 5.315 inches, matching the factory specifications for Ford F-150, Expedition, and Lincoln Navigator vehicles.

Raybestos R-Line Product Line Information

The R-Line by Raybestos is designed to offer dependable, OE-quality replacement parts for a range of vehicles. This product line focuses on meeting or exceeding original equipment specifications, providing consistent performance and fitment. The 66670R rotor exemplifies the R-Line’s commitment to quality and precision engineering, making it suitable for Ford and Lincoln trucks and SUVs requiring a solid disc rotor with integrated drum-in-hat design.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing rotor thickness below manufacturer discard limits
• Resolving noise or vibration issues related to damaged rotors
• Upgrading to a rotor compatible with drum-in-hat parking brake systems
• Ensuring proper fitment on Ford F-150, Expedition, and Lincoln Navigator models

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets minimum discard thickness
• Clean mounting surfaces to prevent uneven rotor seating
• Torque mounting bolts to manufacturer specifications for secure fitment
• Inspect brake pads and hardware during rotor replacement for optimal braking performance
• Ensure compatibility with drum-in-hat parking brake assemblies on specified vehicles

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet strict quality standards, ensuring consistent performance and durability. While specific warranty details for part number 66670R are not provided here, Raybestos typically offers limited warranties covering defects in materials and workmanship. Users should consult product documentation or contact Raybestos directly for warranty information related to this rotor.