Raybestos 680178RN Disc Brake Rotor and Hub Assembly - Front

Reliable Disc Brake Rotor and Hub Assembly for Ford and Lincoln

The Raybestos R-Line; Contains Spindle Nut disc brake rotor and hub assembly is engineered for precise fitment on Ford F-150, F-150 Heritage, and Lincoln Mark LT models. Designed to meet exacting specifications, this assembly ensures consistent braking performance and durability.

• Part Number: 680178RN
• Includes spindle nut for complete hub assembly
• Mounting bolt hole quantity: 6 with 0.600 inch diameter
• Mounting bolt hole circle diameter: 135.000 mm (5.315 inches)
• Stud/lug hole quantity: 6
• Nominal rotor thickness: 1.180 inches (29.950 mm)
• Discard rotor thickness: 1.122 inches (28.500 mm)

About the Raybestos R-Line; Contains Spindle Nut Product Line

The R-Line; Contains Spindle Nut product line from Raybestos offers integrated disc brake rotor and hub assemblies that include the spindle nut, simplifying replacement and ensuring compatibility. This line is designed to provide a direct fit for specific vehicle applications, reducing installation complexity and maintaining factory specifications.

Technical Details and Specifications

This disc brake rotor and hub assembly features a nominal thickness of 1.180 inches (29.950 mm) and a discard thickness of 1.122 inches (28.500 mm), indicating the minimum thickness before replacement is necessary. The assembly includes six mounting bolt holes with a circle diameter of 135.000 mm (5.315 inches) and a bolt hole diameter of 0.600 inches, ensuring secure attachment to the vehicle hub. The six stud/lug holes accommodate standard lug nuts for proper wheel mounting.

Applications and Problem Solving

• Replacement for worn or warped rotors on Ford F-150 and F-150 Heritage models
• Restores proper hub function and braking performance on Lincoln Mark LT vehicles
• Addresses issues related to rotor thickness below manufacturer specifications
• Solves mounting problems due to damaged or corroded bolt holes
• Improves braking stability by providing a precise fit with included spindle nut

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before beginning installation. Verify that the mounting bolt holes and stud/lug holes align correctly with the vehicle hub. Measure rotor thickness to confirm replacement necessity, using the discard thickness of 1.122 inches (28.500 mm) as a reference. Torque all bolts and nuts to manufacturer specifications to maintain safety and performance.

Quality Assurance and Warranty

Raybestos disc brake rotor and hub assemblies are manufactured to meet or exceed OEM standards. The 680178RN part number undergoes rigorous quality control to ensure durability and reliable braking performance. Warranty coverage details should be confirmed with the product documentation or manufacturer.