Raybestos 66259R Disc Brake Rotor and Hub Assembly - Front

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

The Raybestos R-Line 66259R disc brake rotor and hub assembly is engineered for reliable braking performance on Ford E-250 Econoline, E-350 Econoline, and E-350 Econoline Club Wagon models. Designed to meet precise specifications, this assembly ensures proper fit and function for your vehicle's braking system.

• Part Number: 66259R
• Brand: Raybestos R-Line
• Mounting Bolt Hole Quantity: 8
• Mounting Bolt Hole Circle Diameter: 165.1 mm and 6.5 mm (two measurements provided)
• Mounting Bolt Hole Diameter: 0.6 mm and 15.25 mm (two measurements provided)
• Stud/Lug Hole Quantity: 8
• Nominal Thickness: 31.6 mm (1.245 inches)
• Discard Thickness: 29.95 mm (1.180 inches)

Raybestos R-Line Product Line Details

The R-Line from Raybestos is a product line focused on delivering dependable brake components that meet or exceed OEM specifications. This disc brake rotor and hub assembly is part of the R-Line, which emphasizes precise engineering and durability for commercial and heavy-duty vehicles such as the Ford Econoline series.

Technical Description and Specifications

This disc brake rotor and hub assembly features a nominal thickness of 31.6 mm (1.245 inches), ensuring sufficient material for effective heat dissipation and braking performance. The discard thickness is 29.95 mm (1.180 inches), indicating the minimum thickness before replacement is necessary to maintain safety and performance. The assembly includes 8 mounting bolt holes arranged on a 165.1 mm bolt circle diameter, with additional measurements of 6.5 mm and 15.25 mm for mounting bolt hole diameters, supporting secure installation. The 8 stud/lug holes provide compatibility with the wheel hub of Ford E-250 Econoline, E-350 Econoline, and E-350 Econoline Club Wagon models.

Compatible Vehicles and Applications

• Ford E-250 Econoline
• Ford E-350 Econoline
• Ford E-350 Econoline Club Wagon

This assembly is designed specifically for these Ford models, ensuring proper fitment and reliable braking performance in commercial and passenger applications.

Common Issues Addressed by This Part

• Worn or warped brake rotors causing vibration during braking
• Reduced braking efficiency due to rotor thickness below discard limits
• Corrosion or damage to the hub assembly affecting wheel alignment
• Uneven brake pad wear caused by rotor surface irregularities
• Noise or pulsation during braking from damaged rotors or hubs

Installation Notes and Tips

Ensure the mounting surfaces are clean and free of debris before installation. Verify that the mounting bolt hole pattern and stud/lug hole quantity match the vehicle specifications. Measure rotor thickness to confirm it meets nominal thickness requirements. Use proper torque specifications for mounting bolts to avoid warping the rotor. It is recommended to inspect related brake components such as pads and calipers during installation.

Quality Assurance and Warranty

Raybestos R-Line brake components are manufactured to meet OEM standards for durability and performance. The 66259R disc brake rotor and hub assembly undergoes rigorous quality control to ensure consistent fit and function. Warranty information is provided by Raybestos and should be verified with the supplier or manufacturer for specific coverage details.