Raybestos 66672R Disc Brake Rotor and Hub Assembly - Front

Overview of Raybestos R-Line Disc Brake Rotor and Hub Assembly

The Raybestos R-Line 66672R disc brake rotor and hub assembly is engineered for reliable braking performance on select Ford and Mazda trucks. Designed specifically for models like the Ford Ranger and Mazda B-Series trucks, this assembly ensures proper fit and function for your vehicle's braking system.

• Part Number: 66672R
• Compatible with Ford Ranger, Mazda B2500, B3000, and B4000
• Includes disc brake rotor and hub assembly
• Mounting bolt hole quantity: 5
• Mounting bolt hole circle diameter: 114.3 mm (4.5 inches)
• Mounting bolt hole diameter: 13.7 mm (0.54 inches)
• Nominal rotor thickness: 26.05 mm (1.025 inches)
• Discard rotor thickness: 24.5 mm (0.965 inches)
• Stud/lug hole quantity: 5

Detailed Product Specifications

This disc brake rotor and hub assembly features a nominal thickness of 26.05 mm (1.025 inches), providing the necessary material thickness for effective heat dissipation and braking performance. The discard thickness is 24.5 mm (0.965 inches), indicating the minimum safe thickness before replacement is required. The assembly includes five mounting bolt holes arranged in a 114.3 mm (4.5 inch) bolt circle diameter, with each hole measuring 13.7 mm (0.54 inches) in diameter. Additionally, it has five stud/lug holes to match the wheel configuration of compatible vehicles.

R-Line Product Line Information

The Raybestos R-Line product line focuses on delivering dependable brake components designed to meet or exceed original equipment specifications. This line is tailored for drivers who require consistent performance and durability in their braking systems. The 66672R rotor and hub assembly is part of this line, ensuring compatibility and quality for Ford Ranger and Mazda B-Series trucks.

Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Fixes excessive brake noise due to damaged rotor surfaces
• Addresses uneven brake pad wear linked to rotor issues
• Restores proper hub alignment and wheel mounting stability
• Improves braking response on Ford Ranger and Mazda B-Series trucks

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 your vehicle’s hub assembly. Measure rotor thickness to confirm replacement necessity, using the discard thickness of 24.5 mm as a guideline. Clean mounting surfaces to prevent uneven rotor seating. Torque mounting bolts to manufacturer specifications to maintain safety and performance.

Quality Assurance and Warranty

Raybestos R-Line brake components are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details for part number 66672R should be confirmed with the supplier or manufacturer, Raybestos typically offers coverage against defects in materials and workmanship under normal use conditions.