Raybestos 681993R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 681993R

The Raybestos R-Line Disc Brake Rotor 681993R is engineered for reliable braking performance on select Ford and Lincoln vehicles. Designed specifically for models like the Ford Edge, Lincoln Continental, and Ford SSV Plug-In Hybrid, this vented rotor ensures consistent heat dissipation and smooth braking under various driving conditions.

• Vented disc brake rotor with smooth surface finish
• Overall height: 2.059 inches (52.3 mm)
• Outside diameter: 12.421 inches (315.5 mm)
• Inside diameter: 7.480 inches (190 mm)
• Mounting bolt hole quantity: 5 with 0.622 inch (15.8 mm) diameter
• Center hole diameter: 2.504 inches (63.6 mm)
• Nominal thickness: 1.264 inches (32.1 mm)
• Discard thickness: 1.201 inches (30.5 mm)
• Conventional rotor type with 5 stud/lug holes

Detailed Product Description and Specifications

This Raybestos R-Line rotor (part number 681993R) is a vented disc brake rotor designed to provide effective heat dissipation during braking, reducing the risk of brake fade. The smooth surface type ensures consistent pad contact and braking performance. With an outside diameter of 12.421 inches and an overall height of 2.059 inches, this rotor fits vehicles requiring a conventional rotor design with a 5-bolt mounting pattern. The nominal thickness of 1.264 inches and discard thickness of 1.201 inches define the usable rotor life before replacement is necessary. The center hole diameter of 2.504 inches and mounting bolt hole circle diameter of 4.252 inches ensure proper fitment on compatible Ford and Lincoln models.

Raybestos R-Line Product Line Information

The R-Line from Raybestos is a product line focused on delivering dependable braking components that meet or exceed OEM specifications. This line emphasizes durability and consistent performance, making it suitable for drivers who require reliable replacement parts for their Ford Edge, Lincoln Continental, or Ford SSV Plug-In Hybrid vehicles. The 681993R rotor is part of this line, offering a balance of quality and fitment precision.

Applications and Common Issues Addressed

• Replacement for worn or warped rotors causing brake pulsation
• Restores braking efficiency on Ford Edge, Lincoln Continental, and SSV Plug-In Hybrid models
• Addresses rotor thickness below discard limits to maintain safety
• Improves heat dissipation to reduce brake fade during heavy use
• Eliminates noise and vibration caused by uneven rotor surfaces

Installation Notes and Tips

Ensure the rotor surface is clean and free of rust or debris before installation. Verify the mounting bolt hole pattern and center hole diameter match the vehicle hub. It is recommended to replace brake pads simultaneously to ensure optimal braking performance. Torque mounting bolts to manufacturer specifications and check rotor thickness to confirm it is above the discard thickness limit of 1.201 inches.

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet strict quality standards, ensuring consistent performance and durability. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms related to part number 681993R.