Raybestos 9764R Brake Drum - Rear

Overview of Raybestos R-Line Brake Drum 9764R

The Raybestos R-Line Brake Drum 9764R is engineered for reliable braking performance on Chevrolet and GMC trucks. Designed specifically for models like the Sierra 1500, Sierra 1500 Classic, Silverado 1500, and Silverado 1500 Classic, this brake drum ensures proper fit and function for your vehicle's braking system.

• Outside diameter: 13.200 inches (335.28 mm)
• Depth: 2.970 inches (75.45 mm)
• Nominal drum diameter: 11.650 inches (295.91 mm)
• 6 stud/lug holes with 0.650 inch (16.5 mm) diameter
• No outer cooling fins for standard heat dissipation

Raybestos R-Line Product Line Details

The R-Line by Raybestos focuses on delivering dependable brake components tailored for specific vehicle applications. This line emphasizes precise manufacturing tolerances and consistent material quality, making the 9764R brake drum a suitable replacement part for maintaining the braking integrity of Chevrolet and GMC full-size pickup trucks.

Technical Description and Specifications

The 9764R brake drum features an outside diameter of 13.200 inches, providing the correct size to match the original equipment specifications for compatible Chevrolet and GMC models. Its depth of 2.970 inches ensures proper engagement with brake shoes, while the nominal drum diameter of 11.650 inches aligns with the braking system requirements. The drum includes six stud/lug holes, each measuring 0.650 inches in diameter, designed to fit securely on the vehicle's hub assembly. This brake drum does not include outer cooling fins, which is consistent with the original design for these truck models.

Compatible Vehicles and Applications

• Chevrolet Sierra 1500 (including Classic models)
• GMC Sierra 1500 (including Classic models)
• Chevrolet Silverado 1500 (including Classic models)
• GMC Silverado 1500 (including Classic models)

This brake drum is intended for use in rear drum brake assemblies on the above vehicles, providing a direct replacement for worn or damaged drums.

Common Issues Addressed by Raybestos 9764R Brake Drum

• Brake pulsation caused by warped or uneven drums
• Reduced braking efficiency due to worn drum surfaces
• Excessive brake noise from damaged or scored drums
• Brake shoe misalignment resulting from incorrect drum dimensions
• Corrosion or rust compromising drum integrity

Installation Notes and Tips

When installing the Raybestos R-Line 9764R brake drum, ensure the hub and backing plate are clean and free of debris. Verify that the stud/lug hole pattern matches the vehicle specifications. It is recommended to inspect brake shoes and hardware for wear and replace as necessary to maintain optimal braking performance. Proper torque specifications should be followed when securing the drum to the hub assembly.

Quality Assurance and Warranty

Raybestos manufactures the R-Line brake drums to meet or exceed OEM standards for fit, form, and function. Each 9764R brake drum undergoes quality control inspections to ensure dimensional accuracy and material consistency. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.