Raybestos 5974R Disc Brake Rotor and Hub Assembly - Front

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

The Raybestos R-Line 5974R disc brake rotor and hub assembly is engineered for reliable braking performance on Chevrolet and GMC trucks. Designed specifically for models C35, C2500, and C3500, this assembly ensures proper fitment and durability for heavy-duty applications.

• Compatible with Chevrolet C35, C2500, and C3500 models
• Includes disc brake rotor and hub assembly in one unit
• Nominal rotor thickness: 1.285 inches (32.650 mm)
• Discard rotor thickness: 1.215 inches (30.850 mm)
• Eight mounting bolt holes with 165.100 mm bolt circle diameter
• Mounting bolt hole diameter: 6.500 mm and stud/lug hole diameter: 15.300 mm
• Eight stud/lug holes for secure wheel attachment

Raybestos R-Line Product Line Details

The R-Line by Raybestos focuses on providing dependable brake components tailored for specific vehicle applications. This line emphasizes precise engineering and quality materials to meet the demands of trucks like the Chevrolet C2500 and GMC C3500. The 5974R rotor and hub assembly reflects the R-Line’s commitment to fitment accuracy and consistent braking performance.

Technical Description and Specifications

This disc brake rotor and hub assembly features a nominal thickness of 1.285 inches (32.650 mm), ensuring sufficient material for effective heat dissipation and wear resistance. The discard thickness is set at 1.215 inches (30.850 mm), indicating the minimum safe thickness before replacement is necessary. The assembly includes eight mounting bolt holes arranged on a 165.100 mm bolt circle diameter, with each hole measuring 6.500 mm in diameter. Additionally, there are eight stud/lug holes with a diameter of 15.300 mm, designed to accommodate the wheel studs securely. These precise measurements guarantee compatibility with Chevrolet and GMC heavy-duty trucks, maintaining factory specifications.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Chevrolet C35, C2500, and C3500
• Addresses brake pulsation caused by uneven rotor surfaces
• Resolves hub assembly wear leading to wheel vibration
• Restores proper mounting bolt alignment for secure wheel fitment
• Improves braking stability under heavy load conditions

Installation Notes and Tips

When installing the Raybestos R-Line 5974R rotor and hub assembly, ensure the mounting surfaces are clean and free of debris. Verify that the mounting bolt holes and stud/lug holes align correctly with the vehicle’s hub and wheel studs. Torque all bolts to manufacturer specifications to maintain safety and performance. It is recommended to inspect related brake components such as pads and calipers during installation for optimal system function.

Quality Assurance and Warranty

Raybestos R-Line brake components are manufactured to meet or exceed OEM standards, providing consistent quality and durability. The 5974R assembly undergoes rigorous testing to ensure dimensional accuracy and material integrity. While specific warranty details are not provided here, Raybestos typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.