Raybestos 680989PER Disc Brake Rotor - Rear

Overview of Raybestos Disc Brake Rotor 680989PER

The Raybestos Specialty - Street Performance; S-Groove Technology disc brake rotor 680989PER is engineered for reliable braking performance on Lincoln MKT vehicles. Designed with vented construction and drum-in-hat style, this rotor supports effective heat dissipation and durability under street driving conditions.

• Compatible with Lincoln MKT models
• Vented disc brake rotor with drum-in-hat design
• Overall height: 2.193 inches (55.7 mm)
• Outside diameter: 13.465 inches (342 mm)
• Mounting bolt hole quantity: 5 with 0.610 inch (15.5 mm) diameter
• Center hole diameter: 2.677 inches (68 mm)
• Nominal thickness: 0.866 inches (22 mm)
• Discard thickness: 0.787 inches (20 mm)

Detailed Product Description

This Raybestos disc brake rotor 680989PER is specifically designed for Lincoln MKT vehicles, featuring a vented rotor type that enhances cooling during braking to reduce fade and maintain consistent performance. The drum-in-hat configuration integrates the parking brake drum within the rotor, providing a compact and efficient braking solution. With a 5-bolt mounting pattern and precise dimensions such as a 13.465-inch outside diameter and 2.193-inch overall height, this rotor ensures proper fitment and compatibility.

The nominal thickness of 0.866 inches and discard thickness of 0.787 inches define the rotor's usable lifespan, helping technicians determine when replacement is necessary. The rotor's mounting bolt hole circle diameter measures 4.5 inches (114.3 mm), matching factory specifications for secure installation.

Specialty - Street Performance; S-Groove Technology Line

The Raybestos Specialty - Street Performance; S-Groove Technology product line focuses on delivering rotors optimized for street driving conditions. This line incorporates design features that improve rotor cooling and braking consistency, making it suitable for drivers seeking dependable performance on Lincoln MKT models. The S-Groove technology aids in reducing brake dust and noise while maintaining rotor integrity.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Lincoln MKT
• Improves heat dissipation to reduce brake fade during extended use
• Addresses brake noise and vibration issues related to rotor wear
• Supports parking brake functionality with integrated drum-in-hat design
• Restores proper braking performance and pedal feel

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern match the Lincoln MKT specifications before installation
• Inspect hub surface for cleanliness and flatness to ensure proper rotor seating
• Torque mounting bolts to manufacturer-recommended specifications
• Check brake pads for wear and replace if necessary to optimize rotor performance
• Follow proper bedding-in procedures after installation for consistent braking

Quality Assurance and Warranty

Raybestos disc brake rotors undergo rigorous quality control to meet OEM standards for fit, form, and function. The 680989PER rotor is manufactured with high-grade materials and precision engineering to ensure durability and reliable braking performance on Lincoln MKT vehicles. Warranty coverage details should be confirmed with the product documentation or authorized Raybestos distributor.