Raybestos 681994R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 681994R

The Raybestos R-Line Disc Brake Rotor 681994R is engineered for reliable braking performance on select Ford and Lincoln vehicles. Designed specifically for models like the Ford Focus and Lincoln MKC, this vented rotor ensures consistent heat dissipation and durability under demanding driving conditions.

• Compatible with Ford Focus and Lincoln MKC models
• Vented disc brake rotor for improved cooling
• Overall diameter of 13.189 inches (335 mm) for precise fitment
• Mounting bolt hole quantity: 5 with 4.252 inch (108 mm) bolt circle diameter
• Nominal thickness of 0.984 inches (25 mm) with discard thickness at 0.906 inches (23 mm)
• Smooth surface type for consistent pad contact
• Center hole diameter of 2.5 inches (63.5 mm) for accurate hub alignment
• Conventional rotor design suitable for drum-in-hat applications

Detailed Product Description

The Raybestos R-Line 681994R disc brake rotor is a vented rotor designed to optimize heat dissipation during braking, reducing the risk of brake fade. With an outside diameter of 13.189 inches (335 mm) and an overall height of 1.921 inches (48.8 mm), this rotor fits securely on vehicles requiring a 5-bolt mounting pattern with a 4.252 inch (108 mm) bolt circle diameter. The nominal thickness of 0.984 inches (25 mm) ensures structural integrity, while the discard thickness of 0.906 inches (23 mm) indicates when replacement is necessary to maintain braking efficiency. The smooth surface type promotes even brake pad wear and consistent stopping power. This rotor is designed for conventional drum-in-hat type applications, making it suitable for the specified Ford and Lincoln models.

About the Raybestos R-Line Product Line

The R-Line by Raybestos is a product line focused on delivering dependable braking components that meet or exceed OEM specifications. This line emphasizes quality materials and precise manufacturing processes to provide rotors that maintain performance and safety standards. The 681994R rotor exemplifies the R-Line’s commitment to fitment accuracy and durability, making it a practical choice for Ford Focus and Lincoln MKC owners seeking reliable replacement parts.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors causing brake pulsation
• Upgrading from solid to vented rotors for improved heat management
• Resolving brake noise due to uneven rotor surfaces
• Addressing reduced braking performance from rotor thickness below discard limits
• Ensuring proper fitment on Ford Focus and Lincoln MKC vehicles with 5-lug bolt patterns

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern compatibility with your vehicle before installation
• Inspect brake pads and hardware for wear and replace as necessary during rotor installation
• Clean rotor surface with brake cleaner to remove any protective coatings before mounting
• Torque mounting bolts to manufacturer specifications to ensure secure fitment
• Perform a bed-in procedure after installation to optimize braking performance

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet stringent quality standards, ensuring consistent performance and durability. While specific warranty details for part number 681994R should be confirmed with the point of purchase, Raybestos typically offers limited warranties covering defects in materials and workmanship. This rotor is designed to provide reliable service life when installed and maintained according to vehicle manufacturer guidelines.