Raybestos 66745R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 66745R

The Raybestos R-Line Disc Brake Rotor 66745R is engineered for reliable braking performance on Ford Contour and Mercury Cougar models. This vented rotor is designed to meet the specific requirements of these vehicles, ensuring consistent stopping power and durability.

• Compatible with Ford Contour and Mercury Cougar
• Vented disc brake rotor for improved heat dissipation
• Overall diameter of 10.945 inches (278 mm)
• Nominal thickness of 0.945 inches (24.000 mm)
• Discard thickness at 0.874 inches (22.200 mm)
• Overall height of 1.850 inches (47.000 mm)
• Four mounting bolt holes and four stud/lug holes
• Center hole diameter of 2.505 inches (63.650 mm)
• Mounting bolt hole circle diameter of 4.250 inches (107.950 mm)
• Conventional rotor type

Detailed Product Specifications

The Raybestos R-Line 66745R rotor features a vented design that enhances cooling during braking, reducing the risk of brake fade under demanding conditions. With an outside diameter of 10.945 inches and an overall height of 1.850 inches, this rotor fits precisely on the front axle of compatible Ford Contour and Mercury Cougar vehicles. The nominal thickness of 0.945 inches ensures structural integrity, while the discard thickness of 0.874 inches indicates when the rotor should be replaced to maintain safe braking performance. The rotor includes four mounting bolt holes and four stud/lug holes, with a mounting bolt hole circle diameter of 4.250 inches, providing secure attachment to the wheel hub assembly. The center hole diameter of 2.505 inches allows for proper alignment and fitment.

Raybestos R-Line Product Line Information

The R-Line by Raybestos is a product line focused on delivering reliable, OEM-quality brake components designed to meet or exceed factory specifications. This line emphasizes durability and consistent performance, making it suitable for drivers who require dependable braking parts for their Ford Contour and Mercury Cougar vehicles. The 66745R rotor exemplifies the R-Line’s commitment to quality and fitment precision.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing reduced braking efficiency due to rotor thickness below discard limits
• Resolving excessive brake noise linked to damaged or uneven rotors
• Improving heat dissipation to prevent brake fade during extended use
• Ensuring proper rotor fitment for Ford Contour and Mercury Cougar front brakes

Installation Notes and Tips

When installing the Raybestos R-Line 66745R rotor, ensure the mounting surface is clean and free of debris to prevent rotor runout. Verify that the rotor thickness is above the discard thickness before installation. Use proper torque specifications for the four mounting bolts to secure the rotor firmly. It is recommended to replace brake pads simultaneously to maintain optimal braking performance. Always check for compatibility with your specific vehicle year and model.

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet stringent quality standards, ensuring consistent performance and durability. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship. Refer to the product documentation or manufacturer for exact warranty terms related to part number 66745R.